diff --git a/codan/org.eclipse.cdt.codan.core.cxx/src/org/eclipse/cdt/codan/core/cxx/CxxAstUtils.java b/codan/org.eclipse.cdt.codan.core.cxx/src/org/eclipse/cdt/codan/core/cxx/CxxAstUtils.java
index 1521fb66ca4..f890b27d587 100644
--- a/codan/org.eclipse.cdt.codan.core.cxx/src/org/eclipse/cdt/codan/core/cxx/CxxAstUtils.java
+++ b/codan/org.eclipse.cdt.codan.core.cxx/src/org/eclipse/cdt/codan/core/cxx/CxxAstUtils.java
@@ -16,7 +16,6 @@ import java.util.HashSet;
 import java.util.Set;
 
 import org.eclipse.cdt.core.dom.ast.ASTVisitor;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IASTBinaryExpression;
 import org.eclipse.cdt.core.dom.ast.IASTCompositeTypeSpecifier;
 import org.eclipse.cdt.core.dom.ast.IASTDeclSpecifier;
@@ -257,14 +256,10 @@ public final class CxxAstUtils {
 				for (IBinding b : bindings) {
 					if (b instanceof IFunction) {
 						IFunction f = (IFunction) b;
-						try {
-							if (f.getParameters().length == expectedParametersNum) {
-								// Consider this overload
-								IIndexName[] decls = index.findDeclarations(b);
-								declSet.addAll(Arrays.asList(decls));
-							}
-						} catch (DOMException e) {
-							continue;
+						if (f.getParameters().length == expectedParametersNum) {
+							// Consider this overload
+							IIndexName[] decls = index.findDeclarations(b);
+							declSet.addAll(Arrays.asList(decls));
 						}
 					}
 				}
diff --git a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexBindingResolutionTestBase.java b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexBindingResolutionTestBase.java
index 1a41e225ac5..21959d233df 100644
--- a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexBindingResolutionTestBase.java
+++ b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexBindingResolutionTestBase.java
@@ -221,18 +221,14 @@ public abstract class IndexBindingResolutionTestBase extends BaseTestCase {
 	}
 	
 	protected static void assertVariable(IBinding b, String qn, Class expType, String expTypeQN) {
-		try {
-			assertInstance(b, IVariable.class);
-			IVariable variable = (IVariable) b;
-			assertQNEquals(qn, variable);
-			assertInstance(variable.getType(), expType);
-			if (expTypeQN != null) {
-				IType type= variable.getType();
-				assertInstance(type, IBinding.class);
-				assertQNEquals(expTypeQN, (IBinding) type);
-			}
-		} catch (DOMException de) {
-			fail(de.getMessage());
+		assertInstance(b, IVariable.class);
+		IVariable variable = (IVariable) b;
+		assertQNEquals(qn, variable);
+		assertInstance(variable.getType(), expType);
+		if (expTypeQN != null) {
+			IType type= variable.getType();
+			assertInstance(type, IBinding.class);
+			assertQNEquals(expTypeQN, (IBinding) type);
 		}
 	}
 	
diff --git a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPBindingResolutionTest.java b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPBindingResolutionTest.java
index d489765c863..94c82852431 100644
--- a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPBindingResolutionTest.java
+++ b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPBindingResolutionTest.java
@@ -1592,18 +1592,14 @@ public abstract class IndexCPPBindingResolutionTest extends IndexBindingResoluti
 			String qn,
 			Class expType,
 			String expTypeQN) {
-		try {
-			assertTrue(binding instanceof ICPPField);
-			ICPPField field = (ICPPField) binding;
-			assertQNEquals(qn, field);
-			assertTrue(expType.isInstance(field.getType()));
-			if (expTypeQN != null) {
-				assert(field.getType() instanceof ICPPBinding);
-				ICPPBinding tyBinding = (ICPPBinding) field.getType();
-				assertQNEquals(expTypeQN, tyBinding);
-			}
-		} catch (DOMException de) {
-			fail(de.getMessage());
+		assertTrue(binding instanceof ICPPField);
+		ICPPField field = (ICPPField) binding;
+		assertQNEquals(qn, field);
+		assertTrue(expType.isInstance(field.getType()));
+		if (expTypeQN != null) {
+			assert(field.getType() instanceof ICPPBinding);
+			ICPPBinding tyBinding = (ICPPBinding) field.getType();
+			assertQNEquals(expTypeQN, tyBinding);
 		}
 	}
 
@@ -1647,7 +1643,7 @@ public abstract class IndexCPPBindingResolutionTest extends IndexBindingResoluti
 		assertEquals(methods, classType.getMethods().length);
 		assertEquals(declaredMethods, classType.getDeclaredMethods().length);
 		assertEquals(allDeclaredMethods, classType.getAllDeclaredMethods().length);
-		// assertEquals(friends, classType.getFriends().length); (PDOMNotImplementedError)
+		assertEquals(friends, classType.getFriends().length); 
 		assertEquals(constructors, classType.getConstructors().length);
 		assertEquals(nestedClasses, classType.getNestedClasses().length);
 	}
diff --git a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/pdom/tests/PDOMTestBase.java b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/pdom/tests/PDOMTestBase.java
index e3d8ef6362c..47d64ff85b9 100644
--- a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/pdom/tests/PDOMTestBase.java
+++ b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/pdom/tests/PDOMTestBase.java
@@ -35,7 +35,6 @@ import org.eclipse.cdt.core.testplugin.CProjectHelper;
 import org.eclipse.cdt.core.testplugin.CTestPlugin;
 import org.eclipse.cdt.core.testplugin.util.BaseTestCase;
 import org.eclipse.cdt.core.testplugin.util.TestSourceReader;
-import org.eclipse.cdt.internal.core.Util;
 import org.eclipse.cdt.internal.core.index.IIndexFragment;
 import org.eclipse.cdt.internal.core.pdom.PDOM;
 import org.eclipse.core.resources.IWorkspace;
@@ -187,8 +186,8 @@ public class PDOMTestBase extends BaseTestCase {
 	 */
 	private void assertUniqueNameCount(IName[] names, int count) {
 		Set offsets = new HashSet();
-		for (int i = 0; i < names.length; i++) {
-			offsets.add(names[i].getFileLocation());
+		for (IName name : names) {
+			offsets.add(name.getFileLocation());
 		}
 		assertEquals(count, offsets.size());
 	}
@@ -217,27 +216,23 @@ public class PDOMTestBase extends BaseTestCase {
 
 	// this is only approximate - composite types are not supported
 	public static IBinding[] findIFunctions(Class[] paramTypes, IBinding[] bindings) throws CoreException {
-		try {
-			List preresult = new ArrayList();
-			for(int i=0; i<bindings.length; i++) {
-				if(bindings[i] instanceof IFunction) {
-					IFunction function = (IFunction) bindings[i];
-					IType[] candidate = function.getType().getParameterTypes();
-					boolean areEqual = candidate.length == paramTypes.length;
-					for(int j=0; areEqual && j<paramTypes.length; j++) {
-						if(!paramTypes[j].isAssignableFrom(candidate[j].getClass())) {
-							areEqual = false;
-						}
-					}
-					if(areEqual) {
-						preresult.add(bindings[i]);
+		List preresult = new ArrayList();
+		for (IBinding binding : bindings) {
+			if(binding instanceof IFunction) {
+				IFunction function = (IFunction) binding;
+				IType[] candidate = function.getType().getParameterTypes();
+				boolean areEqual = candidate.length == paramTypes.length;
+				for(int j=0; areEqual && j<paramTypes.length; j++) {
+					if(!paramTypes[j].isAssignableFrom(candidate[j].getClass())) {
+						areEqual = false;
 					}
 				}
+				if(areEqual) {
+					preresult.add(binding);
+				}
 			}
-			return (IBinding[]) preresult.toArray(new IBinding[preresult.size()]);
-		} catch(DOMException e) {
-			throw new CoreException(Util.createStatus(e));
 		}
+		return (IBinding[]) preresult.toArray(new IBinding[preresult.size()]);
 	}
 
 	protected void assertInstance(Object o, Class c) {
@@ -247,8 +242,8 @@ public class PDOMTestBase extends BaseTestCase {
 	
 	public static Pattern[] makePatternArray(String[] args) {
 		List preresult = new ArrayList();
-		for(int i=0; i<args.length; i++) {
-			preresult.add(Pattern.compile(args[i]));
+		for (String arg : args) {
+			preresult.add(Pattern.compile(arg));
 		}
 		return (Pattern[]) preresult.toArray(new Pattern[preresult.size()]);
 	}
diff --git a/core/org.eclipse.cdt.core/browser/org/eclipse/cdt/core/browser/IndexTypeInfo.java b/core/org.eclipse.cdt.core/browser/org/eclipse/cdt/core/browser/IndexTypeInfo.java
index fffee8044f0..c7d2db1cacc 100644
--- a/core/org.eclipse.cdt.core/browser/org/eclipse/cdt/core/browser/IndexTypeInfo.java
+++ b/core/org.eclipse.cdt.core/browser/org/eclipse/cdt/core/browser/IndexTypeInfo.java
@@ -38,7 +38,6 @@ import org.eclipse.cdt.core.model.ICProject;
 import org.eclipse.cdt.core.parser.ast.ASTAccessVisibility;
 import org.eclipse.cdt.internal.core.browser.IndexModelUtil;
 import org.eclipse.cdt.internal.core.browser.IndexTypeReference;
-import org.eclipse.cdt.internal.core.pdom.dom.PDOMNotImplementedError;
 import org.eclipse.core.filesystem.URIUtil;
 import org.eclipse.core.resources.IFile;
 import org.eclipse.core.resources.IProject;
@@ -475,7 +474,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public void addDerivedReference(ITypeReference location) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	/**
@@ -484,7 +483,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public void addReference(ITypeReference location) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	/**
@@ -493,7 +492,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public boolean canSubstituteFor(ITypeInfo info) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	/**
@@ -502,7 +501,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public boolean encloses(ITypeInfo info) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	/**
@@ -511,7 +510,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public boolean exists() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	/**
@@ -520,7 +519,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public ITypeReference[] getDerivedReferences() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	/**
@@ -529,7 +528,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public ITypeInfo[] getEnclosedTypes() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	/**
@@ -538,7 +537,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public ITypeInfo[] getEnclosedTypes(int[] kinds) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	/**
@@ -547,7 +546,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public ITypeInfo getEnclosingNamespace(boolean includeGlobalNamespace) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 
@@ -567,7 +566,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public ITypeInfo getEnclosingType(int[] kinds) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 
@@ -577,7 +576,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public ITypeInfo getRootNamespace(boolean includeGlobalNamespace) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	/**
@@ -586,7 +585,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public ITypeInfo[] getSubTypes() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	/**
@@ -595,7 +594,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public ASTAccessVisibility getSuperTypeAccess(ITypeInfo subType) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	/**
@@ -604,7 +603,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public ITypeInfo[] getSuperTypes() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	/**
@@ -613,7 +612,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public boolean hasEnclosedTypes() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	/**
@@ -622,7 +621,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public boolean hasSubTypes() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	/**
@@ -631,7 +630,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public boolean hasSuperTypes() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	/**
@@ -640,7 +639,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public boolean isClass() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	/**
@@ -649,7 +648,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public boolean isEnclosed(ITypeInfo info) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	/**
@@ -658,7 +657,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public boolean isEnclosed(ITypeSearchScope scope) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	/**
@@ -667,7 +666,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public boolean isEnclosedType() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	/**
@@ -676,7 +675,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public boolean isEnclosingType() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	/**
@@ -685,7 +684,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public boolean isReferenced(ITypeSearchScope scope) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	/**
@@ -694,7 +693,7 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public boolean isUndefinedType() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	/**
@@ -703,6 +702,6 @@ public class IndexTypeInfo implements ITypeInfo, IFunctionInfo {
 	 */
 	@Deprecated
 	public void setCElementType(int type) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 }
diff --git a/core/org.eclipse.cdt.core/browser/org/eclipse/cdt/internal/core/browser/ASTTypeInfo.java b/core/org.eclipse.cdt.core/browser/org/eclipse/cdt/internal/core/browser/ASTTypeInfo.java
index ac65ebc7d4a..dd2bcf27f8b 100644
--- a/core/org.eclipse.cdt.core/browser/org/eclipse/cdt/internal/core/browser/ASTTypeInfo.java
+++ b/core/org.eclipse.cdt.core/browser/org/eclipse/cdt/internal/core/browser/ASTTypeInfo.java
@@ -31,7 +31,6 @@ import org.eclipse.cdt.core.index.IIndexFileLocation;
 import org.eclipse.cdt.core.index.IndexLocationFactory;
 import org.eclipse.cdt.core.model.ICProject;
 import org.eclipse.cdt.core.parser.ast.ASTAccessVisibility;
-import org.eclipse.cdt.internal.core.pdom.dom.PDOMNotImplementedError;
 import org.eclipse.core.filesystem.URIUtil;
 import org.eclipse.core.resources.IFile;
 import org.eclipse.core.resources.IProject;
@@ -209,47 +208,47 @@ public class ASTTypeInfo implements ITypeInfo, IFunctionInfo {
 	
 	@Deprecated
 	public void addDerivedReference(ITypeReference location) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
 	public void addReference(ITypeReference location) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
 	public boolean canSubstituteFor(ITypeInfo info) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
 	public boolean encloses(ITypeInfo info) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
 	public boolean exists() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
 	public ITypeReference[] getDerivedReferences() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
 	public ITypeInfo[] getEnclosedTypes() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
 	public ITypeInfo[] getEnclosedTypes(int[] kinds) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
 	public ITypeInfo getEnclosingNamespace(boolean includeGlobalNamespace) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
@@ -260,81 +259,81 @@ public class ASTTypeInfo implements ITypeInfo, IFunctionInfo {
 
 	@Deprecated
 	public ITypeInfo getEnclosingType(int[] kinds) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
 	public ITypeInfo getRootNamespace(boolean includeGlobalNamespace) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
 	public ITypeInfo[] getSubTypes() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
 	public ASTAccessVisibility getSuperTypeAccess(ITypeInfo subType) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
 	public ITypeInfo[] getSuperTypes() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
 	public boolean hasEnclosedTypes() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
 	public boolean hasSubTypes() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
 	public boolean hasSuperTypes() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
 	public boolean isClass() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
 	public boolean isEnclosed(ITypeInfo info) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
 	public boolean isEnclosed(ITypeSearchScope scope) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
 	public boolean isEnclosedType() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
 	public boolean isEnclosingType() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
 	public boolean isReferenced(ITypeSearchScope scope) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
 	public boolean isUndefinedType() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 
 	@Deprecated
 	public void setCElementType(int type) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException();
 	}
 }
diff --git a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/CElementHandle.java b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/CElementHandle.java
index 91bce3b1b1a..e7f81ee9fe9 100644
--- a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/CElementHandle.java
+++ b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/CElementHandle.java
@@ -18,7 +18,6 @@ import java.util.List;
 import org.eclipse.cdt.core.CCorePlugin;
 import org.eclipse.cdt.core.IPositionConverter;
 import org.eclipse.cdt.core.dom.ast.ASTTypeUtil;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.core.dom.ast.IFunction;
 import org.eclipse.cdt.core.dom.ast.IParameter;
@@ -261,7 +260,7 @@ abstract class CElementHandle implements ICElementHandle, ISourceReference {
 		return EMPTY_STRING_ARRAY;
 	}
 	
-	protected String[] extractParameterTypes(IFunction func) throws DOMException {
+	protected String[] extractParameterTypes(IFunction func) {
 		IParameter[] params= func.getParameters();
 		String[] parameterTypes= new String[params.length];
 		for (int i = 0; i < params.length; i++) {
diff --git a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/FieldHandle.java b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/FieldHandle.java
index 3af4b29a178..21664def22e 100644
--- a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/FieldHandle.java
+++ b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/FieldHandle.java
@@ -10,9 +10,7 @@
  *******************************************************************************/ 
 package org.eclipse.cdt.internal.core.model.ext;
 
-import org.eclipse.cdt.core.CCorePlugin;
 import org.eclipse.cdt.core.dom.ast.ASTTypeUtil;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IField;
 import org.eclipse.cdt.core.model.CModelException;
 import org.eclipse.cdt.core.model.ICElement;
@@ -26,12 +24,7 @@ public class FieldHandle extends CElementHandle implements org.eclipse.cdt.core.
 
 	public FieldHandle(ICElement parent, IField field) {
 		super(parent, ICElement.C_FIELD, field.getName());
-		try {
-			fTypeName= ASTTypeUtil.getType(field.getType(), false);
-		} catch (DOMException e) {
-			CCorePlugin.log(e);
-			fTypeName= ""; //$NON-NLS-1$
-		}
+		fTypeName= ASTTypeUtil.getType(field.getType(), false);
 		fVisibility= getVisibility(field);
 		fIsStatic= field.isStatic();
 	}
diff --git a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/FunctionDeclarationHandle.java b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/FunctionDeclarationHandle.java
index befa799fb40..9484e3377e3 100644
--- a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/FunctionDeclarationHandle.java
+++ b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/FunctionDeclarationHandle.java
@@ -12,7 +12,6 @@
 package org.eclipse.cdt.internal.core.model.ext;
 
 import org.eclipse.cdt.core.dom.ast.ASTTypeUtil;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IFunction;
 import org.eclipse.cdt.core.model.CModelException;
 import org.eclipse.cdt.core.model.ICElement;
@@ -25,11 +24,11 @@ public class FunctionDeclarationHandle extends CElementHandle implements IFuncti
 	private String fReturnType;
 	private boolean fIsStatic;
 
-	public FunctionDeclarationHandle(ICElement parent, IFunction func) throws DOMException {
+	public FunctionDeclarationHandle(ICElement parent, IFunction func) {
 		this(parent, ICElement.C_FUNCTION_DECLARATION, func);
 	}
 
-	protected FunctionDeclarationHandle(ICElement parent, int type, IFunction func) throws DOMException {
+	protected FunctionDeclarationHandle(ICElement parent, int type, IFunction func) {
 		super(parent, type, func.getName());
 		fParameterTypes= extractParameterTypes(func);
 		fReturnType= ASTTypeUtil.getType(func.getType().getReturnType(), false);
diff --git a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/FunctionHandle.java b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/FunctionHandle.java
index b3e96cd226c..605c5f0b922 100644
--- a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/FunctionHandle.java
+++ b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/FunctionHandle.java
@@ -11,13 +11,12 @@
 
 package org.eclipse.cdt.internal.core.model.ext;
 
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IFunction;
 import org.eclipse.cdt.core.model.ICElement;
 
 public class FunctionHandle extends FunctionDeclarationHandle implements org.eclipse.cdt.core.model.IFunction {
 
-	public FunctionHandle(ICElement parent, IFunction func) throws DOMException {
+	public FunctionHandle(ICElement parent, IFunction func) {
 		super(parent, ICElement.C_FUNCTION, func);
 	}
 }
diff --git a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/MethodDeclarationHandle.java b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/MethodDeclarationHandle.java
index 3ebad84b37c..ea4b3923a6b 100644
--- a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/MethodDeclarationHandle.java
+++ b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/MethodDeclarationHandle.java
@@ -11,7 +11,6 @@
 package org.eclipse.cdt.internal.core.model.ext;
 
 import org.eclipse.cdt.core.dom.ast.ASTTypeUtil;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPConstructor;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPMethod;
 import org.eclipse.cdt.core.model.CModelException;
@@ -29,11 +28,11 @@ public class MethodDeclarationHandle extends CElementHandle implements IMethodDe
 	private boolean fIsConstructor;
 	private boolean fIsDestructor;
 	
-	public MethodDeclarationHandle(ICElement parent, ICPPMethod method) throws DOMException {
+	public MethodDeclarationHandle(ICElement parent, ICPPMethod method) {
 		this(parent, ICElement.C_METHOD_DECLARATION, method);
 	}
 	
-	protected MethodDeclarationHandle(ICElement parent, int type, ICPPMethod method) throws DOMException {
+	protected MethodDeclarationHandle(ICElement parent, int type, ICPPMethod method) {
 		super(parent, type, method.getName());
 		fParameterTypes= extractParameterTypes(method);
 		fReturnType= ASTTypeUtil.getType(method.getType().getReturnType(), false);
diff --git a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/MethodHandle.java b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/MethodHandle.java
index 8ade6b3bbd0..53398832492 100644
--- a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/MethodHandle.java
+++ b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/MethodHandle.java
@@ -11,14 +11,13 @@
 
 package org.eclipse.cdt.internal.core.model.ext;
 
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPMethod;
 import org.eclipse.cdt.core.model.ICElement;
 import org.eclipse.cdt.core.model.IMethod;
 
 public class MethodHandle extends MethodDeclarationHandle implements IMethod {
 	
-	public MethodHandle(ICElement parent, ICPPMethod method) throws DOMException {
+	public MethodHandle(ICElement parent, ICPPMethod method) {
 		super(parent, ICElement.C_METHOD, method);
 	}
 }
diff --git a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/NamespaceHandle.java b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/NamespaceHandle.java
index 226031664cf..939452f75d0 100644
--- a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/NamespaceHandle.java
+++ b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/NamespaceHandle.java
@@ -11,14 +11,13 @@
 
 package org.eclipse.cdt.internal.core.model.ext;
 
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPNamespace;
 import org.eclipse.cdt.core.model.ICElement;
 import org.eclipse.cdt.core.model.INamespace;
 
 public class NamespaceHandle extends CElementHandle implements INamespace {
 	
-	public NamespaceHandle(ICElement parent, ICPPNamespace ns) throws DOMException {
+	public NamespaceHandle(ICElement parent, ICPPNamespace ns) {
 		super(parent, ICElement.C_NAMESPACE, ns.getName());
 	}
 
diff --git a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/StructureHandle.java b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/StructureHandle.java
index 3b1968bb021..8d2d2629108 100644
--- a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/StructureHandle.java
+++ b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/StructureHandle.java
@@ -11,7 +11,6 @@
 
 package org.eclipse.cdt.internal.core.model.ext;
 
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.ICompositeType;
 import org.eclipse.cdt.core.model.CModelException;
 import org.eclipse.cdt.core.model.ICElement;
@@ -23,7 +22,7 @@ public class StructureHandle extends CElementHandle implements IStructure {
 	private static final IField[] EMPTY_FIELDS = new IField[0];
 	private static final IMethodDeclaration[] EMPTY_METHODS = new IMethodDeclaration[0];
 
-	public StructureHandle(ICElement parent, ICompositeType type) throws DOMException {
+	public StructureHandle(ICElement parent, ICompositeType type) {
 		super(parent, convertKey(type.getKey()), type.getName());
 	}
 
diff --git a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/VariableHandle.java b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/VariableHandle.java
index d254669e59f..49a24d37819 100644
--- a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/VariableHandle.java
+++ b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ext/VariableHandle.java
@@ -10,9 +10,7 @@
  *******************************************************************************/ 
 package org.eclipse.cdt.internal.core.model.ext;
 
-import org.eclipse.cdt.core.CCorePlugin;
 import org.eclipse.cdt.core.dom.ast.ASTTypeUtil;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IVariable;
 import org.eclipse.cdt.core.model.CModelException;
 import org.eclipse.cdt.core.model.ICElement;
@@ -23,12 +21,7 @@ public class VariableHandle extends CElementHandle implements org.eclipse.cdt.co
 
 	public VariableHandle(ICElement parent, IVariable var) {
 		super(parent, ICElement.C_VARIABLE, var.getName());
-		try {
-			fTypeName= ASTTypeUtil.getType(var.getType(), false);
-		} catch (DOMException e) {
-			CCorePlugin.log(e);
-			fTypeName= ""; //$NON-NLS-1$
-		}
+		fTypeName= ASTTypeUtil.getType(var.getType(), false);
 		fIsStatic= var.isStatic();
 	}
 
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/ASTTypeUtil.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/ASTTypeUtil.java
index f94872768cf..8fecfc23bec 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/ASTTypeUtil.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/ASTTypeUtil.java
@@ -91,12 +91,10 @@ public class ASTTypeUtil {
 	/**
 	 * @return Whether the function matching the given function binding takes
 	 *         parameters or not.
-	 * @throws DOMException
 	 * 
 	 * @since 5.1
 	 */
-	public static boolean functionTakesParameters(IFunction function)
-			throws DOMException {
+	public static boolean functionTakesParameters(IFunction function) {
 		IParameter[] parameters = function.getParameters();
 
 		if (parameters.length == 0) {
@@ -624,20 +622,16 @@ public class ASTTypeUtil {
 	 * @noreference This method is not intended to be referenced by clients.
 	 */
 	public static String getNodeType(IASTNode node) {
-		try {
-			if (node instanceof IASTDeclarator)
-				return getType((IASTDeclarator) node);
-			if (node instanceof IASTName && ((IASTName) node).resolveBinding() instanceof IVariable)
-				return getType(((IVariable)((IASTName) node).resolveBinding()).getType());
-			if (node instanceof IASTName && ((IASTName) node).resolveBinding() instanceof IFunction)
-				return getType(((IFunction)((IASTName) node).resolveBinding()).getType());
-			if (node instanceof IASTName && ((IASTName) node).resolveBinding() instanceof IType)
-				return getType((IType)((IASTName) node).resolveBinding());
-			if (node instanceof IASTTypeId)
-				return getType((IASTTypeId) node);
-		} catch (DOMException e) {
-			return EMPTY_STRING;
-		}
+		if (node instanceof IASTDeclarator)
+			return getType((IASTDeclarator) node);
+		if (node instanceof IASTName && ((IASTName) node).resolveBinding() instanceof IVariable)
+			return getType(((IVariable)((IASTName) node).resolveBinding()).getType());
+		if (node instanceof IASTName && ((IASTName) node).resolveBinding() instanceof IFunction)
+			return getType(((IFunction)((IASTName) node).resolveBinding()).getType());
+		if (node instanceof IASTName && ((IASTName) node).resolveBinding() instanceof IType)
+			return getType((IType)((IASTName) node).resolveBinding());
+		if (node instanceof IASTTypeId)
+			return getType((IASTTypeId) node);
 		
 		return EMPTY_STRING;
 	}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/IFunction.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/IFunction.java
index 70ba80bbc18..c25ba02b936 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/IFunction.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/IFunction.java
@@ -22,24 +22,18 @@ public interface IFunction extends IBinding {
 
 	/**
 	 * Returns the formal parameters of the function.
-	 * 
-	 * @return array of IParameter
-	 * @throws DOMException if this is a problem binding.
 	 */
-	public IParameter[] getParameters() throws DOMException;
+	public IParameter[] getParameters();
 	
 	/**
 	 * Get the function scope
-	 * 
-	 * @throws DOMException if this is a problem binding.
 	 */
-	public IScope getFunctionScope() throws DOMException;
+	public IScope getFunctionScope();
 	
 	/**
 	 * Get the IFunctionType for this function
-	 * @throws DOMException if this is a problem binding.
 	 */
-	public IFunctionType getType() throws DOMException;
+	public IFunctionType getType();
 	
 	/**
 	 * Returns {@code true} if the function has the static storage-class specifier
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/IVariable.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/IVariable.java
index 28c553b1712..a69ffc3ba26 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/IVariable.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/IVariable.java
@@ -22,7 +22,7 @@ public interface IVariable extends IBinding {
 	/**
 	 * Returns the type of the variable
 	 */
-	public IType getType() throws DOMException;
+	public IType getType();
 	
 	/**
 	 * Returns the value for a variable with an initializer,
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/cpp/ICPPFunction.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/cpp/ICPPFunction.java
index fe621907a1b..23893ba0fa1 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/cpp/ICPPFunction.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/cpp/ICPPFunction.java
@@ -11,7 +11,6 @@
  *******************************************************************************/
 package org.eclipse.cdt.core.dom.ast.cpp;
 
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IFunction;
 import org.eclipse.cdt.core.dom.ast.IType;
 
@@ -50,17 +49,17 @@ public interface ICPPFunction extends IFunction, ICPPBinding {
      * {@inheritDoc}
 	 * @since 5.1
 	 */
-    public ICPPFunctionType getType() throws DOMException;
+    public ICPPFunctionType getType();
     
     /**
 	 * @since 5.2
 	 */
-    public ICPPParameter[] getParameters() throws DOMException;
+    public ICPPParameter[] getParameters();
     
     /**
      * @since 5.2
 	 */
-    public int getRequiredArgumentCount() throws DOMException;
+    public int getRequiredArgumentCount();
     
     /**
 	 * @since 5.2
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/parser/util/ASTPrinter.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/parser/util/ASTPrinter.java
index 51ea600e6d1..0c8452dd7bc 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/parser/util/ASTPrinter.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/parser/util/ASTPrinter.java
@@ -13,7 +13,6 @@ package org.eclipse.cdt.core.parser.util;
 import java.io.PrintStream;
 
 import org.eclipse.cdt.core.dom.ast.ASTGenericVisitor;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IASTComment;
 import org.eclipse.cdt.core.dom.ast.IASTName;
 import org.eclipse.cdt.core.dom.ast.IASTNode;
@@ -262,13 +261,9 @@ public class ASTPrinter {
 		} else if (n instanceof IVariable) {
 			IVariable var = (IVariable) n;
 			IType t;
-			try {
-				t = var.getType();
-				out.println();
-				print(out, indentLevel, t);
-			} catch (DOMException e) {
-				//e.printStackTrace();
-			}
+			t = var.getType();
+			out.println();
+			print(out, indentLevel, t);
 	
 		} else if (n instanceof IProblemBinding) {
 			IProblemBinding problem = (IProblemBinding)n;
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/ProblemBinding.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/ProblemBinding.java
index 9e1f9eaa965..a6cb41d929a 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/ProblemBinding.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/ProblemBinding.java
@@ -278,8 +278,8 @@ public class ProblemBinding extends PlatformObject implements IProblemBinding, I
 	
 	
 	// Dummy methods for derived classes
-    public IType getType() throws DOMException {
-        throw new DOMException(this);
+    public IType getType() {
+    	return new ProblemType(getID());
     }
     public boolean isStatic() {
     	return false;
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/ProblemFunctionType.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/ProblemFunctionType.java
new file mode 100644
index 00000000000..d68c6eb596f
--- /dev/null
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/ProblemFunctionType.java
@@ -0,0 +1,62 @@
+/*******************************************************************************
+ * Copyright (c) 2010 Wind River Systems, Inc. and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Markus Schorn - initial API and implementation
+ *******************************************************************************/ 
+package org.eclipse.cdt.internal.core.dom.parser;
+
+import org.eclipse.cdt.core.dom.ast.IPointerType;
+import org.eclipse.cdt.core.dom.ast.IType;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunctionType;
+import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPPointerType;
+import org.eclipse.core.runtime.CoreException;
+
+
+/**
+ * Implementation of problem types.
+ */
+public class ProblemFunctionType extends ProblemType implements ICPPFunctionType {
+
+	public ProblemFunctionType(int id) {
+		super(id);
+	}
+	
+	@Override
+	public void marshal(ITypeMarshalBuffer buffer) throws CoreException {
+		buffer.putByte((byte) (ITypeMarshalBuffer.PROBLEM_TYPE | ITypeMarshalBuffer.FLAG1));
+		buffer.putShort((short) getID());
+	}
+	
+	public static IType unmarshal(int firstByte, ITypeMarshalBuffer buffer) throws CoreException {
+		return new ProblemFunctionType(buffer.getShort());
+	}
+
+	public IType getReturnType() {
+		return new ProblemType(getID());
+	}
+
+	public IType[] getParameterTypes() {
+		return new IType[] {new ProblemType(getID())};
+	}
+
+	public boolean isConst() {
+		return false;
+	}
+
+	public boolean isVolatile() {
+		return false;
+	}
+
+	public boolean takesVarArgs() {
+		return false;
+	}
+
+	public IPointerType getThisType() {
+		return new CPPPointerType(new ProblemType(getID()));
+	}
+}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/ProblemType.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/ProblemType.java
index f2fa603dabe..a936ef92c0b 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/ProblemType.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/ProblemType.java
@@ -53,6 +53,9 @@ public class ProblemType implements IProblemType, ISerializableType {
 	}
 	
 	public static IType unmarshal(int firstByte, ITypeMarshalBuffer buffer) throws CoreException {
-		return new ProblemType(buffer.getShort() & 0xffff);
+		if ((firstByte & ITypeMarshalBuffer.FLAG1) != 0)
+			return ProblemFunctionType.unmarshal(firstByte, buffer);
+		
+		return new ProblemType(buffer.getShort());
 	}
 }
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/VariableReadWriteFlags.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/VariableReadWriteFlags.java
index 84a4b24f34e..0ea856dbd97 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/VariableReadWriteFlags.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/VariableReadWriteFlags.java
@@ -10,7 +10,6 @@
  *******************************************************************************/ 
 package org.eclipse.cdt.internal.core.dom.parser;
 
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IASTArrayModifier;
 import org.eclipse.cdt.core.dom.ast.IASTArraySubscriptExpression;
 import org.eclipse.cdt.core.dom.ast.IASTBinaryExpression;
@@ -75,15 +74,12 @@ public abstract class VariableReadWriteFlags {
 	}
 
 	protected int rwInInitializerExpression(int indirection, IASTNode parent) {
-		try {
-			IASTNode grand= parent.getParent();
-			if (grand instanceof IASTDeclarator) {
-				IBinding binding= ((IASTDeclarator) grand).getName().getBinding();
-				if (binding instanceof IVariable) {
-					return rwAssignmentToType(((IVariable) binding).getType(), indirection);
-				}
+		IASTNode grand= parent.getParent();
+		if (grand instanceof IASTDeclarator) {
+			IBinding binding= ((IASTDeclarator) grand).getName().getBinding();
+			if (binding instanceof IVariable) {
+				return rwAssignmentToType(((IVariable) binding).getType(), indirection);
 			}
-		} catch (DOMException e) {
 		}
 		return READ | WRITE;  // fallback
 	}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CASTFieldReference.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CASTFieldReference.java
index d03ad5f290f..9b4139e4828 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CASTFieldReference.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CASTFieldReference.java
@@ -14,7 +14,6 @@
 package org.eclipse.cdt.internal.core.dom.parser.c;
 
 import org.eclipse.cdt.core.dom.ast.ASTVisitor;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IASTCompletionContext;
 import org.eclipse.cdt.core.dom.ast.IASTExpression;
 import org.eclipse.cdt.core.dom.ast.IASTFieldReference;
@@ -137,11 +136,7 @@ public class CASTFieldReference extends ASTNode implements IASTFieldReference, I
     public IType getExpressionType() {
         IBinding binding = getFieldName().resolveBinding();
 		if (binding instanceof IVariable) {
-			try {
-				return ((IVariable)binding).getType();
-			} catch (DOMException e) {
-				return e.getProblem();
-			}
+			return ((IVariable)binding).getType();
 		}
     	return new ProblemType(ISemanticProblem.TYPE_UNKNOWN_FOR_EXPRESSION);
     }
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CField.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CField.java
index c88486330eb..35fca520f1c 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CField.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CField.java
@@ -15,9 +15,10 @@ import org.eclipse.cdt.core.dom.ast.IASTNode;
 import org.eclipse.cdt.core.dom.ast.ICompositeType;
 import org.eclipse.cdt.core.dom.ast.IField;
 import org.eclipse.cdt.core.dom.ast.c.ICCompositeTypeScope;
+import org.eclipse.cdt.internal.core.dom.parser.ProblemBinding;
 
 public class CField extends CVariable implements IField {
-	public static class CFieldProblem extends CVariable.CVariableProblem implements IField {
+	public static class CFieldProblem extends ProblemBinding implements IField {
 		private ICompositeType fOwner;
 
 		public CFieldProblem(ICompositeType owner, IASTNode node, int id, char[] arg) {
@@ -38,5 +39,4 @@ public class CField extends CVariable implements IField {
 		ICCompositeTypeScope scope = (ICCompositeTypeScope) getScope();
 		return scope.getCompositeType();
 	}
-
 }
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CVariable.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CVariable.java
index 68bd3200218..130323cbceb 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CVariable.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CVariable.java
@@ -26,12 +26,10 @@ import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.core.dom.ast.IScope;
 import org.eclipse.cdt.core.dom.ast.IType;
 import org.eclipse.cdt.core.dom.ast.IValue;
-import org.eclipse.cdt.core.dom.ast.IVariable;
 import org.eclipse.cdt.core.parser.util.ArrayUtil;
 import org.eclipse.cdt.internal.core.dom.Linkage;
 import org.eclipse.cdt.internal.core.dom.parser.ASTQueries;
 import org.eclipse.cdt.internal.core.dom.parser.IInternalVariable;
-import org.eclipse.cdt.internal.core.dom.parser.ProblemBinding;
 import org.eclipse.cdt.internal.core.dom.parser.Value;
 import org.eclipse.core.runtime.PlatformObject;
 
@@ -39,12 +37,6 @@ import org.eclipse.core.runtime.PlatformObject;
  * Binding for a global or a local variable, serves as base class for fields.
  */
 public class CVariable extends PlatformObject implements IInternalVariable, ICInternalBinding {
-	public static class CVariableProblem extends ProblemBinding implements IVariable {
-		public CVariableProblem(IASTNode node, int id, char[] arg) {
-			super(node, id, arg);
-		}
-	}
-
 	private IASTName[] declarations = null;
 	private IType type = null;
 
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CVisitor.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CVisitor.java
index 5a21cd145b4..31be5f90d60 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CVisitor.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CVisitor.java
@@ -737,10 +737,7 @@ public class CVisitor extends ASTQueries {
 							if (binding instanceof IParameter) {
 								return new ProblemBinding(name, IProblemBinding.SEMANTIC_INVALID_REDECLARATION, name.toCharArray());
 							} else if (binding instanceof IVariable) {
-								try {
-									t2 = ((IVariable)binding).getType();
-								} catch (DOMException e1) {
-								}
+								t2 = ((IVariable)binding).getType();
 								if (t1 != null && t2 != null && (
 										t1.isSameType(t2) || isCompatibleArray(t1, t2) != null)) {
 									if (binding instanceof CVariable)
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPASTExpressionList.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPASTExpressionList.java
index 6ba0bdfefe1..cdccc2008d4 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPASTExpressionList.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPASTExpressionList.java
@@ -18,7 +18,6 @@ import static org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.ExpressionT
 
 import org.eclipse.cdt.core.dom.ast.ASTNodeProperty;
 import org.eclipse.cdt.core.dom.ast.ASTVisitor;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IASTExpression;
 import org.eclipse.cdt.core.dom.ast.IASTFunctionCallExpression;
 import org.eclipse.cdt.core.dom.ast.IASTImplicitName;
@@ -167,14 +166,13 @@ public class CPPASTExpressionList extends ASTNode implements ICPPASTExpressionLi
 					vcat= valueCat(e2);
 				} else {
 					overloads[i - 1] = overload;
-					try {
-						lookupType = overload.getType().getReturnType();
-						vcat= valueCategoryFromReturnType(lookupType);
-						lookupType= typeFromReturnType(lookupType);
-					} catch (DOMException e) {
+					lookupType = overload.getType().getReturnType();
+					vcat= valueCategoryFromReturnType(lookupType);
+					lookupType= typeFromReturnType(lookupType);
+					if (lookupType instanceof ISemanticProblem) {
 						lookupType = typeOrFunctionSet(e2);
 						vcat= valueCat(e2);
-					}
+					}  
 				}
 			}
     	}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPASTFieldReference.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPASTFieldReference.java
index 173f4da0290..041adf1130b 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPASTFieldReference.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPASTFieldReference.java
@@ -265,26 +265,23 @@ public class CPPASTFieldReference extends ASTNode implements ICPPASTFieldReferen
 	public ValueCategory getValueCategory() {
 		IASTName name= getFieldName();
 		IBinding binding = name.resolvePreBinding();
-		try {
-			if (binding instanceof IVariable) {
-				IType e2= ((IVariable) binding).getType();
-				e2= SemanticUtil.getNestedType(e2, TDEF);
-				if (e2 instanceof ICPPReferenceType) {
-					return LVALUE;
-				} 
-				if (binding instanceof ICPPField && !((ICPPField) binding).isStatic()) {
-					if (isPointerDereference())
-						return LVALUE;
-
-					return owner.getValueCategory();
-				}
+		if (binding instanceof IVariable) {
+			IType e2= ((IVariable) binding).getType();
+			e2= SemanticUtil.getNestedType(e2, TDEF);
+			if (e2 instanceof ICPPReferenceType) {
 				return LVALUE;
 			} 
-			if (binding instanceof IFunction) {
-				return LVALUE;
-			}  
-	    } catch (DOMException e) {
-        }
+			if (binding instanceof ICPPField && !((ICPPField) binding).isStatic()) {
+				if (isPointerDereference())
+					return LVALUE;
+
+				return owner.getValueCategory();
+			}
+			return LVALUE;
+		} 
+		if (binding instanceof IFunction) {
+			return LVALUE;
+		}
 		return PRVALUE;
 	}
 	
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPClassType.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPClassType.java
index 33f3fd3c6d7..1ca174cae6e 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPClassType.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPClassType.java
@@ -86,9 +86,6 @@ public class CPPClassType extends PlatformObject implements ICPPInternalClassTyp
 		public ICPPConstructor[] getConstructors() {
 			return ICPPConstructor.EMPTY_CONSTRUCTOR_ARRAY;
 		}
-		public ICPPMethod[] getDeclaredConversionOperators() throws DOMException {
-			throw new DOMException(this);
-		}
 		public int getKey() {
 			return k_class;
 		}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPConstructor.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPConstructor.java
index 82852ac36c9..b8163c989b8 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPConstructor.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPConstructor.java
@@ -11,19 +11,11 @@
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.dom.parser.cpp;
 
-import org.eclipse.cdt.core.dom.ast.IASTNode;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTFunctionDeclarator;
-import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPConstructor;
 
 public class CPPConstructor extends CPPMethod implements ICPPConstructor {
 
-    static public class CPPConstructorProblem extends CPPMethod.CPPMethodProblem implements ICPPConstructor {
-        public CPPConstructorProblem(ICPPClassType owner, IASTNode node, int id, char[] arg) {
-            super(owner, node, id, arg);
-        }
-    }
-
 	public CPPConstructor(ICPPASTFunctionDeclarator declarator) {
 		super(declarator);
 	}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPField.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPField.java
index 7df5ae65272..15876035efb 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPField.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPField.java
@@ -27,12 +27,13 @@ import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPField;
 import org.eclipse.cdt.core.parser.util.CharArrayUtils;
 import org.eclipse.cdt.internal.core.dom.parser.ASTInternal;
+import org.eclipse.cdt.internal.core.dom.parser.ProblemBinding;
 
 /**
  * Binding for a field.
  */
 public class CPPField extends CPPVariable implements ICPPField {
-    public static class CPPFieldProblem extends CPPVariable.CPPVariableProblem implements ICPPField {
+    public static class CPPFieldProblem extends ProblemBinding implements ICPPField {
         private ICPPClassType fOwner;
 
 		public CPPFieldProblem(ICPPClassType owner, IASTNode node, int id, char[] arg ) {
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPFieldSpecialization.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPFieldSpecialization.java
index 1d2614dd1fb..26b7772c313 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPFieldSpecialization.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPFieldSpecialization.java
@@ -11,7 +11,6 @@
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.dom.parser.cpp;
 
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.core.dom.ast.ICompositeType;
 import org.eclipse.cdt.core.dom.ast.IType;
@@ -45,7 +44,7 @@ public class CPPFieldSpecialization extends CPPSpecialization implements ICPPFie
 		return getField().getClassOwner();
 	}
 	
-	public IType getType() throws DOMException {
+	public IType getType() {
 		if (type == null) {
 			type= specializeType(getField().getType());
 		}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPFunction.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPFunction.java
index f71c16c0885..37ab8fe19f8 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPFunction.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPFunction.java
@@ -32,6 +32,7 @@ import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.core.dom.ast.IFunctionType;
 import org.eclipse.cdt.core.dom.ast.IProblemBinding;
 import org.eclipse.cdt.core.dom.ast.IScope;
+import org.eclipse.cdt.core.dom.ast.ISemanticProblem;
 import org.eclipse.cdt.core.dom.ast.IType;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTDeclSpecifier;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTFunctionDeclarator;
@@ -47,7 +48,7 @@ import org.eclipse.cdt.internal.core.dom.Linkage;
 import org.eclipse.cdt.internal.core.dom.parser.ASTInternal;
 import org.eclipse.cdt.internal.core.dom.parser.ASTNode;
 import org.eclipse.cdt.internal.core.dom.parser.ASTQueries;
-import org.eclipse.cdt.internal.core.dom.parser.ProblemBinding;
+import org.eclipse.cdt.internal.core.dom.parser.ProblemFunctionType;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPVisitor;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.SemanticUtil;
 import org.eclipse.core.runtime.PlatformObject;
@@ -57,28 +58,6 @@ import org.eclipse.core.runtime.PlatformObject;
  */
 public class CPPFunction extends PlatformObject implements ICPPFunction, ICPPInternalFunction {
 
-    public static class CPPFunctionProblem extends ProblemBinding implements ICPPFunction {
-        public CPPFunctionProblem(IASTNode node, int id, char[] arg) {
-            super(node, id, arg);
-        }
-        @Override
-		public ICPPFunctionType getType() throws DOMException {
-            throw new DOMException(this);
-        }
-        public ICPPParameter[] getParameters() throws DOMException {
-            throw new DOMException(this);
-        }
-        public IScope getFunctionScope() throws DOMException {
-            throw new DOMException(this);
-        }
-		public int getRequiredArgumentCount() throws DOMException {
-			throw new DOMException(this);
-		}
-		public boolean hasSameFunctionParameterTypeList(ICPPFunction function) {
-			return false;
-		}
-    }
-    
 	protected IASTDeclarator[] declarations;
 	protected ICPPASTFunctionDeclarator definition;
 	protected ICPPFunctionType type = null;
@@ -264,8 +243,14 @@ public class CPPFunction extends PlatformObject implements ICPPFunction, ICPPInt
     public ICPPFunctionType getType() {
         if (type == null) {
 			final IType t = getNestedType(CPPVisitor.createType((definition != null) ? definition : declarations[0]), TDEF);
-			if (t instanceof ICPPFunctionType)
+			if (t instanceof ICPPFunctionType) {
 				type = (ICPPFunctionType) t;
+			} else if (t instanceof ISemanticProblem){
+				type= new ProblemFunctionType(((ISemanticProblem) t).getID());
+			} else {
+				// This case is unexpected
+				type = new ProblemFunctionType(ISemanticProblem.TYPE_UNRESOLVED_NAME);
+			}
 		}
         return type;
     }
@@ -556,11 +541,11 @@ public class CPPFunction extends PlatformObject implements ICPPFunction, ICPPInt
         return null;
 	}
 
-	public int getRequiredArgumentCount() throws DOMException {
+	public int getRequiredArgumentCount() {
 		return getRequiredArgumentCount(getParameters());
 	}
 
-	public static int getRequiredArgumentCount(ICPPParameter[] pars) throws DOMException {
+	public static int getRequiredArgumentCount(ICPPParameter[] pars) {
 		int result= pars.length;
 		while(result > 0) {
 			final ICPPParameter p = pars[result-1];
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPFunctionInstance.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPFunctionInstance.java
index 4dbb545a3b2..8550489357f 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPFunctionInstance.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPFunctionInstance.java
@@ -11,9 +11,7 @@
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.dom.parser.cpp;
 
-import org.eclipse.cdt.core.CCorePlugin;
 import org.eclipse.cdt.core.dom.ast.ASTTypeUtil;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IASTNode;
 import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.core.dom.ast.IType;
@@ -72,17 +70,13 @@ public class CPPFunctionInstance extends CPPFunctionSpecialization implements IC
     @Override
 	public boolean equals(Object obj) {
     	if( (obj instanceof ICPPTemplateInstance) && (obj instanceof ICPPFunction)){
-    		try {
-    			final ICPPTemplateInstance inst = (ICPPTemplateInstance)obj;
-    			ICPPFunctionType ct1= ((ICPPFunction)getSpecializedBinding()).getType();
-				ICPPFunctionType ct2= ((ICPPFunction)inst.getTemplateDefinition()).getType();
-    			if(!ct1.isSameType(ct2))
-    				return false;
+    		final ICPPTemplateInstance inst = (ICPPTemplateInstance)obj;
+			ICPPFunctionType ct1= ((ICPPFunction)getSpecializedBinding()).getType();
+			ICPPFunctionType ct2= ((ICPPFunction)inst.getTemplateDefinition()).getType();
+			if(!ct1.isSameType(ct2))
+				return false;
 
-    			return CPPTemplates.haveSameArguments(this, inst);
-    		} catch(DOMException de) {
-    			CCorePlugin.log(de);
-    		}
+			return CPPTemplates.haveSameArguments(this, inst);
     	}
 
     	return false;
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPFunctionSpecialization.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPFunctionSpecialization.java
index c2b6d194244..120aaf011e9 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPFunctionSpecialization.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPFunctionSpecialization.java
@@ -13,7 +13,6 @@
 package org.eclipse.cdt.internal.core.dom.parser.cpp;
 
 import org.eclipse.cdt.core.dom.ast.ASTTypeUtil;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IASTDeclSpecifier;
 import org.eclipse.cdt.core.dom.ast.IASTDeclarator;
 import org.eclipse.cdt.core.dom.ast.IASTFunctionDefinition;
@@ -52,7 +51,7 @@ public class CPPFunctionSpecialization extends CPPSpecialization implements ICPP
 		return (ICPPFunction) getSpecializedBinding();
 	}
 
-	public ICPPParameter[] getParameters() throws DOMException {
+	public ICPPParameter[] getParameters() {
 		if (fParams == null) {
 			ICPPFunction function = getFunction();
 			ICPPParameter[] params = function.getParameters();
@@ -76,7 +75,7 @@ public class CPPFunctionSpecialization extends CPPSpecialization implements ICPP
 		return fParams;
 	}
 
-	public int getRequiredArgumentCount() throws DOMException {
+	public int getRequiredArgumentCount() {
 		return ((ICPPFunction) getSpecializedBinding()).getRequiredArgumentCount();
 	}
 
@@ -88,7 +87,7 @@ public class CPPFunctionSpecialization extends CPPSpecialization implements ICPP
 		return null;
 	}
 
-	public ICPPFunctionType getType() throws DOMException {
+	public ICPPFunctionType getType() {
 		if (type == null) {
 			ICPPFunction function = (ICPPFunction) getSpecializedBinding();
 			type = (ICPPFunctionType) specializeType(function.getType());
@@ -279,11 +278,7 @@ public class CPPFunctionSpecialization extends CPPSpecialization implements ICPP
 	public String toString() {
 		StringBuilder result = new StringBuilder();
 		result.append(getName());
-		IFunctionType t = null;
-		try {
-			t = getType();
-		} catch (DOMException e) {
-		}
+		IFunctionType t = getType();
 		result.append(t != null ? ASTTypeUtil.getParameterTypeString(t) : "()"); //$NON-NLS-1$
 		ICPPTemplateParameterMap tpmap= getTemplateParameterMap();
 		if (tpmap != null) {
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPFunctionTemplate.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPFunctionTemplate.java
index 194afcc513e..2d45901cd2e 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPFunctionTemplate.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPFunctionTemplate.java
@@ -15,7 +15,6 @@ import static org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.SemanticUti
 import static org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.SemanticUtil.getNestedType;
 
 import org.eclipse.cdt.core.dom.ast.ASTTypeUtil;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IASTDeclSpecifier;
 import org.eclipse.cdt.core.dom.ast.IASTDeclaration;
 import org.eclipse.cdt.core.dom.ast.IASTDeclarator;
@@ -29,17 +28,16 @@ import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.core.dom.ast.IFunctionType;
 import org.eclipse.cdt.core.dom.ast.IProblemBinding;
 import org.eclipse.cdt.core.dom.ast.IScope;
+import org.eclipse.cdt.core.dom.ast.ISemanticProblem;
 import org.eclipse.cdt.core.dom.ast.IType;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTDeclSpecifier;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTFunctionDeclarator;
-import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassTemplatePartialSpecialization;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunctionTemplate;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunctionType;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPParameter;
-import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameter;
 import org.eclipse.cdt.internal.core.dom.parser.ASTInternal;
 import org.eclipse.cdt.internal.core.dom.parser.ASTQueries;
-import org.eclipse.cdt.internal.core.dom.parser.ProblemBinding;
+import org.eclipse.cdt.internal.core.dom.parser.ProblemFunctionType;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPVisitor;
 
 /**
@@ -47,31 +45,6 @@ import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPVisitor;
  */
 public class CPPFunctionTemplate extends CPPTemplateDefinition
 		implements ICPPFunctionTemplate, ICPPInternalFunction {
-	public static final class CPPFunctionTemplateProblem extends ProblemBinding
-			implements ICPPFunctionTemplate {
-		public CPPFunctionTemplateProblem(IASTNode node, int id, char[] arg) {
-			super(node, id, arg);
-		}
-		public ICPPTemplateParameter[] getTemplateParameters() throws DOMException {
-			throw new DOMException(this);
-		}
-		public ICPPClassTemplatePartialSpecialization[] getTemplateSpecializations() throws DOMException {
-			throw new DOMException(this);		
-		}
-		public ICPPParameter[] getParameters() throws DOMException {
-			throw new DOMException(this);
-		}
-		public IScope getFunctionScope() throws DOMException {
-			throw new DOMException(this);
-		}
-		@Override
-		public ICPPFunctionType getType() throws DOMException {
-			throw new DOMException(this);
-		}
-		public int getRequiredArgumentCount() throws DOMException {
-			throw new DOMException( this );
-		}
-	}
 	
 	protected ICPPFunctionType type = null;
 
@@ -145,7 +118,7 @@ public class CPPFunctionTemplate extends CPPTemplateDefinition
 		return CPPBuiltinParameter.createParameterList(getType());
 	}
 
-	public int getRequiredArgumentCount() throws DOMException {
+	public int getRequiredArgumentCount() {
 		return CPPFunction.getRequiredArgumentCount(getParameters());
 	}
 
@@ -165,9 +138,15 @@ public class CPPFunctionTemplate extends CPPTemplateDefinition
 			while (parent.getParent() instanceof IASTDeclarator)
 				parent = parent.getParent();
 
-			IType temp = getNestedType(CPPVisitor.createType((IASTDeclarator)parent), TDEF);
-			if (temp instanceof ICPPFunctionType)
-				type = (ICPPFunctionType) temp;
+			IType t = getNestedType(CPPVisitor.createType((IASTDeclarator)parent), TDEF);
+			if (t instanceof ICPPFunctionType) {
+				type = (ICPPFunctionType) t;
+			} else if (t instanceof ISemanticProblem){
+				type= new ProblemFunctionType(((ISemanticProblem) t).getID());
+			} else {
+				// This case is unexpected
+				type= new ProblemFunctionType(ISemanticProblem.TYPE_UNRESOLVED_NAME);
+			}
 		}
 		return type;
 	}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPMethod.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPMethod.java
index 8176772a755..b4d0bd3301f 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPMethod.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPMethod.java
@@ -18,7 +18,6 @@ import org.eclipse.cdt.core.dom.ast.IASTDeclarator;
 import org.eclipse.cdt.core.dom.ast.IASTFunctionDeclarator;
 import org.eclipse.cdt.core.dom.ast.IASTFunctionDefinition;
 import org.eclipse.cdt.core.dom.ast.IASTName;
-import org.eclipse.cdt.core.dom.ast.IASTNode;
 import org.eclipse.cdt.core.dom.ast.IASTSimpleDeclaration;
 import org.eclipse.cdt.core.dom.ast.IScope;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTCompositeTypeSpecifier;
@@ -28,7 +27,6 @@ import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTQualifiedName;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTVisibilityLabel;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassScope;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;
-import org.eclipse.cdt.core.dom.ast.cpp.ICPPMember;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPMethod;
 import org.eclipse.cdt.core.parser.util.CharArrayUtils;
 import org.eclipse.cdt.internal.core.dom.parser.ASTInternal;
@@ -39,27 +37,6 @@ import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPVisitor;
  * The binding for a method.
  */
 public class CPPMethod extends CPPFunction implements ICPPMethod {
-	public static class CPPMethodProblem extends CPPFunctionProblem implements ICPPMethod {
-		private ICPPClassType fOwner;
-		public CPPMethodProblem(ICPPClassType owner, IASTNode node, int id, char[] arg) {
-			super(node, id, arg);
-			fOwner= owner;
-		}
-		public ICPPClassType getClassOwner() {
-			return fOwner;
-		}
-		public boolean isDestructor() {
-			char[] name = getNameCharArray();
-			if (name.length > 1 && name[0] == '~')
-				return true;
-
-			return false;
-		}
-		public int getVisibility() {
-			return ICPPMember.v_private;
-		}
-	}
-    
 	public CPPMethod(IASTDeclarator declarator) {
 		super(declarator);
 	}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPParameterSpecialization.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPParameterSpecialization.java
index 23ab59c190d..24d857d9776 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPParameterSpecialization.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPParameterSpecialization.java
@@ -11,7 +11,6 @@
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.dom.parser.cpp;
 
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.core.dom.ast.IType;
 import org.eclipse.cdt.core.dom.ast.IValue;
@@ -37,7 +36,7 @@ public class CPPParameterSpecialization extends CPPSpecialization implements ICP
 	/* (non-Javadoc)
 	 * @see org.eclipse.cdt.core.dom.ast.IVariable#getType()
 	 */
-	public IType getType() throws DOMException {
+	public IType getType() {
 		return fType;
 	}
 	
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPUnknownFunction.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPUnknownFunction.java
index 15fdf0453b0..7958038e3c9 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPUnknownFunction.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPUnknownFunction.java
@@ -59,7 +59,7 @@ public class CPPUnknownFunction extends CPPUnknownBinding implements ICPPFunctio
 		return false;
 	}
 
-	public IScope getFunctionScope() throws DOMException {
+	public IScope getFunctionScope() {
 		return asScope();
 	}
 
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPVariable.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPVariable.java
index e196cfb1a0b..2bf8413d45d 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPVariable.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPVariable.java
@@ -41,19 +41,12 @@ import org.eclipse.cdt.core.parser.util.ArrayUtil;
 import org.eclipse.cdt.internal.core.dom.Linkage;
 import org.eclipse.cdt.internal.core.dom.parser.ASTNode;
 import org.eclipse.cdt.internal.core.dom.parser.IInternalVariable;
-import org.eclipse.cdt.internal.core.dom.parser.ProblemBinding;
 import org.eclipse.cdt.internal.core.dom.parser.Value;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPVisitor;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.SemanticUtil;
 import org.eclipse.core.runtime.PlatformObject;
 
 public class CPPVariable extends PlatformObject implements ICPPVariable, ICPPInternalBinding, IInternalVariable {
-    public static class CPPVariableProblem extends ProblemBinding implements ICPPVariable {
-        public CPPVariableProblem(IASTNode node, int id, char[] arg) {
-            super(node, id, arg);
-        }
-    }
-
 	private IASTName fDefinition = null;
 	private IASTName fDeclarations[] = null;
 	private IType fType = null;
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/ClassTypeHelper.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/ClassTypeHelper.java
index 2333153491a..ef5ee68083d 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/ClassTypeHelper.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/ClassTypeHelper.java
@@ -127,9 +127,8 @@ public class ClassTypeHelper {
 	 * @param binding a binding. 
 	 * @param classType a class.
 	 * @return <code>true</code> if <code>binding</code> is a friend of <code>classType</code>.
-	 * @throws DOMException
 	 */
-	public static boolean isFriend(IBinding binding, ICPPClassType classType) throws DOMException {
+	public static boolean isFriend(IBinding binding, ICPPClassType classType) {
 		IType type;
 		if (binding instanceof ICPPClassType) {
 			type = (IType) binding;
@@ -158,7 +157,6 @@ public class ClassTypeHelper {
 
 	/**
 	 * A host maybe backed up with a definition from the index.
-	 * @throws DOMException 
 	 */
 	private static ICPPClassType getBackupDefinition(ICPPInternalClassTypeMixinHost host) {
 		ICPPClassScope scope = host.getCompositeScope();
@@ -437,7 +435,7 @@ public class ClassTypeHelper {
 	 * Returns whether {@code method} is virtual. This is the case if it is declared to be virtual or
 	 * overrides another virtual method.
 	 */
-	public static boolean isVirtual(ICPPMethod m) throws DOMException {
+	public static boolean isVirtual(ICPPMethod m) {
 		if (m instanceof ICPPConstructor)
 			return false;
 		if (m.isVirtual()) 
@@ -489,9 +487,8 @@ public class ClassTypeHelper {
 
 	/**
 	 * Returns {@code true} if {@code source} overrides {@code target}.
-	 * @throws DOMException 
 	 */
-	public static boolean isOverrider(ICPPMethod source, ICPPMethod target) throws DOMException {
+	public static boolean isOverrider(ICPPMethod source, ICPPMethod target) {
 		if (source instanceof ICPPConstructor || target instanceof ICPPConstructor) 
 			return false;
 		if (!isVirtual(target)) 
@@ -515,9 +512,8 @@ public class ClassTypeHelper {
 
 	/**
 	 * Returns all methods that are overridden by the given {@code method}.
-	 * @throws DOMException 
 	 */
-	public static ICPPMethod[] findOverridden(ICPPMethod method) throws DOMException {
+	public static ICPPMethod[] findOverridden(ICPPMethod method) {
 		if (method instanceof ICPPConstructor)
 			return ICPPMethod.EMPTY_CPPMETHOD_ARRAY;
 		
@@ -551,7 +547,7 @@ public class ClassTypeHelper {
 	 * Returns whether {@code cl} contains an overridden method.
 	 */
 	private static boolean findOverridden(ICPPClassType cl, char[] mname, ICPPFunctionType mft,
-			HashMap<ICPPClassType, Boolean> virtualInClass, ArrayList<ICPPMethod> result) throws DOMException {
+			HashMap<ICPPClassType, Boolean> virtualInClass, ArrayList<ICPPMethod> result) {
 		Boolean visitedBefore= virtualInClass.get(cl);
 		if (visitedBefore != null)
 			return visitedBefore;
@@ -589,10 +585,9 @@ public class ClassTypeHelper {
 
 	/**
 	 * Returns all methods found in the index, that override the given {@code method}.
-	 * @throws DOMException 
 	 * @throws CoreException 
 	 */
-	public static ICPPMethod[] findOverriders(IIndex index, ICPPMethod method) throws DOMException, CoreException {
+	public static ICPPMethod[] findOverriders(IIndex index, ICPPMethod method) throws CoreException {
 		if (!isVirtual(method))
 			return ICPPMethod.EMPTY_CPPMETHOD_ARRAY;
 
@@ -606,10 +601,8 @@ public class ClassTypeHelper {
 
 	/**
 	 * Returns all methods belonging to the given set of classes that override the given {@code method}.
-	 * @throws DOMException 
 	 */
-	public static ICPPMethod[] findOverriders(ICPPClassType[] subclasses, ICPPMethod method)
-			throws DOMException {
+	public static ICPPMethod[] findOverriders(ICPPClassType[] subclasses, ICPPMethod method) {
 		final char[] mname= method.getNameCharArray();
 		final ICPPFunctionType mft= method.getType();
 		final ArrayList<ICPPMethod> result= new ArrayList<ICPPMethod>();
@@ -700,37 +693,34 @@ public class ClassTypeHelper {
 	}
 
 	private static int getImplicitMethodKind(ICPPClassType ct, ICPPMethod method) {
-		try {
-			if (method instanceof ICPPConstructor) {
-				final IFunctionType type= method.getType();
-				final IType[] params= type.getParameterTypes();
-				if (params.length == 0)
+		if (method instanceof ICPPConstructor) {
+			final IFunctionType type= method.getType();
+			final IType[] params= type.getParameterTypes();
+			if (params.length == 0)
+				return KIND_DEFAULT_CTOR;
+			if (params.length == 1) {
+				IType t= SemanticUtil.getNestedType(params[0], SemanticUtil.TDEF);
+				if (SemanticUtil.isVoidType(t))
 					return KIND_DEFAULT_CTOR;
-				if (params.length == 1) {
-					IType t= SemanticUtil.getNestedType(params[0], SemanticUtil.TDEF);
-					if (SemanticUtil.isVoidType(t))
-						return KIND_DEFAULT_CTOR;
 
-					if (isRefToConstClass(ct, t))
-						return KIND_COPY_CTOR;
-				}
-				return KIND_OTHER;
+				if (isRefToConstClass(ct, t))
+					return KIND_COPY_CTOR;
 			}
+			return KIND_OTHER;
+		}
 
-			if (method.isDestructor())
-				return KIND_DTOR;
+		if (method.isDestructor())
+			return KIND_DTOR;
 
-			if (CharArrayUtils.equals(method.getNameCharArray(), OverloadableOperator.ASSIGN.toCharArray())) {
-				final IFunctionType type= method.getType();
-				final IType[] params= type.getParameterTypes();
-				if (params.length == 1) {
-					IType t= params[0];
-					if (isRefToConstClass(ct, t))
-						return KIND_ASSIGNMENT_OP;
-				}
-				return KIND_OTHER;
+		if (CharArrayUtils.equals(method.getNameCharArray(), OverloadableOperator.ASSIGN.toCharArray())) {
+			final IFunctionType type= method.getType();
+			final IType[] params= type.getParameterTypes();
+			if (params.length == 1) {
+				IType t= params[0];
+				if (isRefToConstClass(ct, t))
+					return KIND_ASSIGNMENT_OP;
 			}
-		} catch (DOMException e) {
+			return KIND_OTHER;
 		}
 		return KIND_OTHER;	
 	}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/AccessContext.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/AccessContext.java
index 87a6d12969b..3a99c2d5c6d 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/AccessContext.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/AccessContext.java
@@ -71,27 +71,22 @@ public class AccessContext {
 	 * @return <code>true</code> if the binding is accessible.
 	 */
 	public boolean isAccessible(IBinding binding) {
-		try {
-			IBinding owner;
-			while ((owner = binding.getOwner()) instanceof ICompositeType &&
-					((ICompositeType) owner).isAnonymous()) {
-				binding = owner;
-			}
-			if (!(owner instanceof ICPPClassType)) {
-				return true; // The binding is not a class member.
-			}
-			ICPPClassType accessOwner= (ICPPClassType) owner;
-			if (!initialize(accessOwner)) {
-				return true; // Assume visibility if anything goes wrong.
-			}
-			if (namingClass == null) {
-				return true;
-			}
-			return isAccessible(binding, (ICPPClassType) owner, namingClass, v_public, 0);
-		} catch (DOMException e) {
-			CCorePlugin.log(e);
+		IBinding owner;
+		while ((owner = binding.getOwner()) instanceof ICompositeType &&
+				((ICompositeType) owner).isAnonymous()) {
+			binding = owner;
 		}
-		return true;
+		if (!(owner instanceof ICPPClassType)) {
+			return true; // The binding is not a class member.
+		}
+		ICPPClassType accessOwner= (ICPPClassType) owner;
+		if (!initialize(accessOwner)) {
+			return true; // Assume visibility if anything goes wrong.
+		}
+		if (namingClass == null) {
+			return true;
+		}
+		return isAccessible(binding, (ICPPClassType) owner, namingClass, v_public, 0);
 	}
 
 	/**
@@ -116,7 +111,7 @@ public class AccessContext {
 	}
 
 	private boolean isAccessible(IBinding binding, ICPPClassType owner, ICPPClassType derivedClass,
-			int accessLevel, int depth) throws DOMException {
+			int accessLevel, int depth) {
 		if (depth > CPPSemantics.MAX_INHERITANCE_DEPTH)
 			return false;
 
@@ -156,7 +151,7 @@ public class AccessContext {
 	 * v_private.
 	 * @return One of: v_public, v_protected, v_private.
 	 */
-	private int getMemberAccessLevel(ICPPClassType classType, int inheritedAccessLevel) throws DOMException {
+	private int getMemberAccessLevel(ICPPClassType classType, int inheritedAccessLevel) {
 		int accessLevel = inheritedAccessLevel;
 		for (IBinding contextBinding : context) {
 			if (ClassTypeHelper.isFriend(contextBinding, classType))
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/AutoTypeResolver.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/AutoTypeResolver.java
index 5b9c33ecc6b..e851cdc10bc 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/AutoTypeResolver.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/AutoTypeResolver.java
@@ -71,11 +71,11 @@ class AutoTypeResolver implements ICPPFunctionTemplate {
 		return null;
 	}
 
-	public ICPPParameter[] getParameters() throws DOMException {
+	public ICPPParameter[] getParameters() {
 		throw new UnsupportedOperationException(UNEXPECTED_CALL);
 	}
 
-	public int getRequiredArgumentCount() throws DOMException {
+	public int getRequiredArgumentCount() {
 		return 1;
 	}
 
@@ -83,7 +83,7 @@ class AutoTypeResolver implements ICPPFunctionTemplate {
 		return false;
 	}
 
-	public IScope getFunctionScope() throws DOMException {
+	public IScope getFunctionScope() {
 		throw new UnsupportedOperationException(UNEXPECTED_CALL);
 	}
 
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/BuiltinOperators.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/BuiltinOperators.java
index b35fb41daa9..12b114d67cc 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/BuiltinOperators.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/BuiltinOperators.java
@@ -553,10 +553,7 @@ class BuiltinOperators {
 			if (fGlobalCandidates != null) {
 				for (Object cand : fGlobalCandidates) {
 					if (cand instanceof IFunction && !(cand instanceof ICPPMethod)) {
-						try {
-							fSignatures.add(ASTTypeUtil.getType(((IFunction)cand).getType(), true));
-						} catch (DOMException e) {
-						}
+						fSignatures.add(ASTTypeUtil.getType(((IFunction)cand).getType(), true));
 					}
 				}
 			}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPSemantics.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPSemantics.java
index 61295e7979c..63a1bbc40b9 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPSemantics.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPSemantics.java
@@ -1106,13 +1106,10 @@ public class CPPSemantics {
 					}
 				}
 				if (b instanceof IVariable) {
-					try {
-						IType t= SemanticUtil.getUltimateType(((IVariable) b).getType(), true);
-						if (t instanceof ICPPUnknownBinding || t instanceof ICPPTemplateDefinition) {
-							result[0]= true;
-							return PROCESS_ABORT;
-						}
-					} catch (DOMException e) {
+					IType t= SemanticUtil.getUltimateType(((IVariable) b).getType(), true);
+					if (t instanceof ICPPUnknownBinding || t instanceof ICPPTemplateDefinition) {
+						result[0]= true;
+						return PROCESS_ABORT;
 					}
 				}
 				if (name instanceof ICPPASTTemplateId)
@@ -2651,15 +2648,11 @@ public class CPPSemantics {
 		IFunction unknown= null;
 		for (IFunction function : fns) {
 			if (function != null) {
-				try {
-					IType t2= function.getType().getReturnType();
-					if (t.isSameType(t2))
-						return function;
-					if (unknown == null && function instanceof ICPPUnknownBinding) {
-						unknown= function;
-					}
-				} catch (DOMException e) {
-					// ignore, try other candidates
+				IType t2= function.getType().getReturnType();
+				if (t.isSameType(t2))
+					return function;
+				if (unknown == null && function instanceof ICPPUnknownBinding) {
+					unknown= function;
 				}
 			}
 		}
@@ -2717,10 +2710,7 @@ public class CPPSemantics {
     				ICPPASTConstructorChainInitializer memInit= (ICPPASTConstructorChainInitializer) parentOfInit;
     				IBinding var= memInit.getMemberInitializerId().resolveBinding();
     				if (var instanceof IVariable) {
-    					try {
-							targetType= ((IVariable) var).getType();
-						} catch (DOMException e) {
-						}
+    					targetType= ((IVariable) var).getType();
     				}
     			}
     		}
@@ -2783,11 +2773,8 @@ public class CPPSemantics {
     			dtor= ASTQueries.findInnermostDeclarator(dtor);
     			IBinding binding = dtor.getName().resolveBinding();
     			if (binding instanceof IFunction) {
-    				try {
-    					IFunctionType ft = ((IFunction) binding).getType();
-    					targetType= ft.getReturnType();
-    				} catch (DOMException e) {
-    				}
+    				IFunctionType ft = ((IFunction) binding).getType();
+					targetType= ft.getReturnType();
     			}
     		}
 		}
@@ -2815,13 +2802,10 @@ public class CPPSemantics {
 
     	// First pass, consider functions
     	for (ICPPFunction fn : fns) {
-    		try {
-    			if (!(fn instanceof ICPPFunctionTemplate)) {
-    				if (targetType.isSameType(fn.getType()))
-    					return fn;
-    			}
-    		} catch (DOMException e) {
-    		}
+    		if (!(fn instanceof ICPPFunctionTemplate)) {
+				if (targetType.isSameType(fn.getType()))
+					return fn;
+			}
     	}
     	
     	// Second pass, consider templates
@@ -3328,14 +3312,11 @@ public class CPPSemantics {
 					for (Object object : items) {
 						if (object instanceof ICPPFunction) {
 							ICPPFunction func= (ICPPFunction) object;
-							try {
-								ICPPFunctionType ft = func.getType();
-								IType[] pts= ft.getParameterTypes();
-								if ((enum1 != null && pts.length > 0 && enum1.isSameType(getUltimateTypeUptoPointers(pts[0]))) ||
-										(enum2 != null && pts.length > 1 && enum2.isSameType(getUltimateTypeUptoPointers(pts[1])))) {
-									items[j++]= object;
-								} 
-							} catch (DOMException e) {
+							ICPPFunctionType ft = func.getType();
+							IType[] pts= ft.getParameterTypes();
+							if ((enum1 != null && pts.length > 0 && enum1.isSameType(getUltimateTypeUptoPointers(pts[0]))) ||
+									(enum2 != null && pts.length > 1 && enum2.isSameType(getUltimateTypeUptoPointers(pts[1])))) {
+								items[j++]= object;
 							}
 						}
 					}
@@ -3605,12 +3586,9 @@ public class CPPSemantics {
 		}
 
 		declarator= ASTQueries.findTypeRelevantDeclarator(declarator);
-		try {
-			if (declarator instanceof ICPPASTFunctionDeclarator) {
-				IType type = function.getType();
-				return type.isSameType(CPPVisitor.createType(declarator));
-			} 
-		} catch (DOMException e) {
+		if (declarator instanceof ICPPASTFunctionDeclarator) {
+			IType type = function.getType();
+			return type.isSameType(CPPVisitor.createType(declarator));
 		}
 		return false;
 	}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPTemplates.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPTemplates.java
index 999f1450004..4b98262bf5e 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPTemplates.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPTemplates.java
@@ -1776,12 +1776,9 @@ public class CPPTemplates {
 	private static IType[] addImplicitObjectType(IType[] types, ICPPMethod f1) {
 		ICPPClassType ct = f1.getClassOwner();
 		if (ct != null) {
-			try {
-				ICPPFunctionType ft = f1.getType();
-				final CPPReferenceType t = new CPPReferenceType(addQualifiers(ct, ft.isConst(), ft.isVolatile()), false);
-				return concat(t, types);
-			} catch (DOMException e) {
-			}
+			ICPPFunctionType ft = f1.getType();
+			final CPPReferenceType t = new CPPReferenceType(addQualifiers(ct, ft.isConst(), ft.isVolatile()), false);
+			return concat(t, types);
 		}
 		return types;
 	}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPVisitor.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPVisitor.java
index 6935dc721b3..09553a1018a 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPVisitor.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPVisitor.java
@@ -681,10 +681,7 @@ public class CPPVisitor extends ASTQueries {
         	    	// Variable declaration
         	    	IType t2= null;
         	    	if (binding != null && binding instanceof IVariable && !(binding instanceof IIndexBinding)) {
-        	    		try {
-        	    			t2 = ((IVariable) binding).getType();
-        	    		} catch (DOMException e1) {
-        	    		}
+        	    		t2 = ((IVariable) binding).getType();
         	    	}
         	    	if (t1 != null && t2 != null) {
         	    		if (t1.isSameType(t2) || isCompatibleArray(t1, t2) != null) {
@@ -1578,22 +1575,18 @@ public class CPPVisitor extends ASTQueries {
 	    IType pt = null;
 	    
 	    for (int i = 0; i < parameters.length; i++) {
-	        try {
-                pt = parameters[i].getType();
-            
-                // remove qualifiers
-                if (pt instanceof IQualifierType) {
-                	pt= ((IQualifierType) pt).getType();
-                }
+	        pt = parameters[i].getType();
+         
+			// remove qualifiers
+			if (pt instanceof IQualifierType) {
+				pt= ((IQualifierType) pt).getType();
+			}
 
-                if (pt instanceof IArrayType) {
-                	pt = new CPPPointerType(((IArrayType) pt).getType());
-                } else if (pt instanceof IFunctionType) {
-                	pt = new CPPPointerType(pt);
-                }
-            } catch (DOMException e) {
-                pt = e.getProblem();
-            }
+			if (pt instanceof IArrayType) {
+				pt = new CPPPointerType(((IArrayType) pt).getType());
+			} else if (pt instanceof IFunctionType) {
+				pt = new CPPPointerType(pt);
+			}
 	        
 	        pTypes[i] = pt; 
 	    }
@@ -1933,15 +1926,11 @@ public class CPPVisitor extends ASTQueries {
 				if (b instanceof IType) {
 					return (IType) b;
 				}
-				try {
-					if (b instanceof IVariable) {
-						return ((IVariable) b).getType();
-					}
-					if (b instanceof IFunction) {
-						return ((IFunction) b).getType();
-					}
-				} catch (DOMException e) {
-					return e.getProblem();
+				if (b instanceof IVariable) {
+					return ((IVariable) b).getType();
+				}
+				if (b instanceof IFunction) {
+					return ((IFunction) b).getType();
 				}
 			}
 		}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/ExpressionTypes.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/ExpressionTypes.java
index 1cd2795bc07..70e059bea65 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/ExpressionTypes.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/ExpressionTypes.java
@@ -14,7 +14,6 @@ import static org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.SemanticUti
 import static org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.SemanticUtil.REF;
 import static org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.SemanticUtil.TDEF;
 
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IASTExpression;
 import org.eclipse.cdt.core.dom.ast.IASTExpression.ValueCategory;
 import org.eclipse.cdt.core.dom.ast.IASTIdExpression;
@@ -44,12 +43,8 @@ public class ExpressionTypes {
 
 
 	public static ValueCategory valueCategoryFromFunctionCall(ICPPFunction function) {
-		try {
-			final ICPPFunctionType ft = function.getType();
-			return valueCategoryFromReturnType(ft.getReturnType());
-		} catch (DOMException e) {
-			return ValueCategory.PRVALUE;
-		}
+		final ICPPFunctionType ft = function.getType();
+		return valueCategoryFromReturnType(ft.getReturnType());
 	}
 
 	public static ValueCategory valueCategoryFromReturnType(IType r) {
@@ -68,12 +63,8 @@ public class ExpressionTypes {
 	}
 
 	public static IType typeFromFunctionCall(ICPPFunction function) {
-		try {
-			final ICPPFunctionType ft = function.getType();
-			return typeFromReturnType(ft.getReturnType());
-		} catch (DOMException e) {
-			return e.getProblem();
-		}
+		final ICPPFunctionType ft = function.getType();
+		return typeFromReturnType(ft.getReturnType());
 	}
 	
 	public static IType typeFromReturnType(IType r) {
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/c/CCompositesFactory.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/c/CCompositesFactory.java
index 024188846a7..068ba418d5b 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/c/CCompositesFactory.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/c/CCompositesFactory.java
@@ -18,6 +18,7 @@ import org.eclipse.cdt.core.dom.ast.IField;
 import org.eclipse.cdt.core.dom.ast.IFunction;
 import org.eclipse.cdt.core.dom.ast.IFunctionType;
 import org.eclipse.cdt.core.dom.ast.IParameter;
+import org.eclipse.cdt.core.dom.ast.ISemanticProblem;
 import org.eclipse.cdt.core.dom.ast.IType;
 import org.eclipse.cdt.core.dom.ast.ITypedef;
 import org.eclipse.cdt.core.dom.ast.IValue;
@@ -116,7 +117,7 @@ public class CCompositesFactory extends AbstractCompositeFactory {
 			}
 			return at;
 		} 
-		if (rtype instanceof IBasicType || rtype == null) {
+		if (rtype instanceof IBasicType || rtype instanceof ISemanticProblem || rtype == null) {
 			return rtype;
 		} 
 		
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/c/CompositeCFunction.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/c/CompositeCFunction.java
index ec2e9975bb6..5737f0fc6e5 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/c/CompositeCFunction.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/c/CompositeCFunction.java
@@ -10,14 +10,12 @@
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.index.composite.c;
 
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IFunction;
 import org.eclipse.cdt.core.dom.ast.IFunctionType;
 import org.eclipse.cdt.core.dom.ast.IParameter;
 import org.eclipse.cdt.core.dom.ast.IScope;
 import org.eclipse.cdt.core.dom.ast.IType;
 import org.eclipse.cdt.internal.core.index.IIndexFragmentBinding;
-import org.eclipse.cdt.internal.core.index.IIndexScope;
 import org.eclipse.cdt.internal.core.index.composite.ICompositesFactory;
 
 class CompositeCFunction extends CompositeCBinding implements IFunction {
@@ -26,12 +24,11 @@ class CompositeCFunction extends CompositeCBinding implements IFunction {
 		super(cf, rbinding);
 	}
 
-	public IScope getFunctionScope() throws DOMException {
-		IScope scope= ((IFunction)rbinding).getFunctionScope();
-		return cf.getCompositeScope((IIndexScope)scope);
+	public IScope getFunctionScope() {
+		return null;
 	}
 	
-	public IParameter[] getParameters() throws DOMException {
+	public IParameter[] getParameters() {
 		IParameter[] preResult = ((IFunction)rbinding).getParameters();
 		IParameter[] result = new IParameter[preResult.length];
 		for(int i=0; i<preResult.length; i++) {
@@ -40,7 +37,7 @@ class CompositeCFunction extends CompositeCBinding implements IFunction {
 		return result;
 	}
 	
-	public IFunctionType getType() throws DOMException {
+	public IFunctionType getType() {
 		IType rtype = ((IFunction)rbinding).getType();
 		return (IFunctionType) cf.getCompositeType(rtype);
 	}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/c/CompositeCParameter.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/c/CompositeCParameter.java
index 49384c0747b..d8fb48cd6fa 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/c/CompositeCParameter.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/c/CompositeCParameter.java
@@ -10,7 +10,6 @@
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.index.composite.c;
 
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IParameter;
 import org.eclipse.cdt.core.dom.ast.IType;
 import org.eclipse.cdt.core.dom.ast.IValue;
@@ -23,7 +22,7 @@ class CompositeCParameter extends CompositeCBinding implements IParameter {
 		super(cf, rbinding);
 	}
 
-	public IType getType() throws DOMException {
+	public IType getType() {
 		IType rtype = ((IParameter)rbinding).getType();
 		return cf.getCompositeType(rtype);
 	}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/c/CompositeCVariable.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/c/CompositeCVariable.java
index b05e788883a..0441c1cfefe 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/c/CompositeCVariable.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/c/CompositeCVariable.java
@@ -10,7 +10,6 @@
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.index.composite.c;
 
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IType;
 import org.eclipse.cdt.core.dom.ast.IValue;
 import org.eclipse.cdt.core.dom.ast.IVariable;
@@ -23,7 +22,7 @@ class CompositeCVariable extends CompositeCBinding implements IVariable {
 		super(cf, rbinding);
 	}
 
-	public IType getType() throws DOMException {
+	public IType getType() {
 		IType rtype = ((IVariable)rbinding).getType();
 		return cf.getCompositeType(rtype);
 	}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CompositeCPPFunction.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CompositeCPPFunction.java
index 9c6985e1b75..7522c4f4bea 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CompositeCPPFunction.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CompositeCPPFunction.java
@@ -12,7 +12,6 @@
 package org.eclipse.cdt.internal.core.index.composite.cpp;
 
 import org.eclipse.cdt.core.dom.ast.ASTTypeUtil;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IScope;
 import org.eclipse.cdt.core.dom.ast.IType;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunction;
@@ -39,11 +38,11 @@ class CompositeCPPFunction extends CompositeCPPBinding implements ICPPFunction {
 		return ((ICPPFunction)rbinding).isMutable();
 	}
 
-	public IScope getFunctionScope() throws DOMException {
-		fail(); return null;
+	public IScope getFunctionScope() {
+		return null;
 	}
 
-	public ICPPParameter[] getParameters() throws DOMException {
+	public ICPPParameter[] getParameters() {
 		ICPPParameter[] result = ((ICPPFunction)rbinding).getParameters();
 		for(int i=0; i<result.length; i++) {
 			result[i] = (ICPPParameter) cf.getCompositeBinding((IIndexFragmentBinding) result[i]);
@@ -51,7 +50,7 @@ class CompositeCPPFunction extends CompositeCPPBinding implements ICPPFunction {
 		return result;
 	}
 
-	public ICPPFunctionType getType() throws DOMException {
+	public ICPPFunctionType getType() {
 		IType rtype = ((ICPPFunction)rbinding).getType();
 		return (ICPPFunctionType) cf.getCompositeType(rtype);
 	}
@@ -80,7 +79,7 @@ class CompositeCPPFunction extends CompositeCPPBinding implements ICPPFunction {
 		return ((ICPPFunction)rbinding).takesVarArgs();
 	}
 	
-	public int getRequiredArgumentCount() throws DOMException {
+	public int getRequiredArgumentCount() {
 		return ((ICPPFunction)rbinding).getRequiredArgumentCount();
 	}
 
@@ -96,11 +95,7 @@ class CompositeCPPFunction extends CompositeCPPBinding implements ICPPFunction {
 	@Override
 	public String toString() {
 		StringBuffer result = new StringBuffer();
-		try {
-			result.append(getName()+" "+ASTTypeUtil.getParameterTypeString(getType())); //$NON-NLS-1$
-		} catch(DOMException de) {
-			result.append(de);
-		}
+		result.append(getName()+" "+ASTTypeUtil.getParameterTypeString(getType())); //$NON-NLS-1$
 		return result.toString();
 	}
 
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CompositeCPPFunctionSpecialization.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CompositeCPPFunctionSpecialization.java
index 5eebba22159..9d32880859f 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CompositeCPPFunctionSpecialization.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CompositeCPPFunctionSpecialization.java
@@ -12,7 +12,6 @@
 package org.eclipse.cdt.internal.core.index.composite.cpp;
 
 import org.eclipse.cdt.core.dom.ast.ASTTypeUtil;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.core.dom.ast.IType;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunction;
@@ -43,11 +42,7 @@ public class CompositeCPPFunctionSpecialization extends CompositeCPPFunction imp
 	@Override
 	public String toString() {
 		StringBuffer result = new StringBuffer();
-		try {
-			result.append(getName()+" "+ASTTypeUtil.getParameterTypeString(getType())); //$NON-NLS-1$
-		} catch(DOMException de) {
-			result.append(de);
-		}
+		result.append(getName()+" "+ASTTypeUtil.getParameterTypeString(getType())); //$NON-NLS-1$
 		return result.toString();
 	}
 
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CompositeCPPVariable.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CompositeCPPVariable.java
index 4c368973a29..1347017df5c 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CompositeCPPVariable.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/composite/cpp/CompositeCPPVariable.java
@@ -11,7 +11,6 @@
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.index.composite.cpp;
 
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IType;
 import org.eclipse.cdt.core.dom.ast.IValue;
 import org.eclipse.cdt.core.dom.ast.IVariable;
@@ -32,7 +31,7 @@ class CompositeCPPVariable extends CompositeCPPBinding implements ICPPVariable {
 		return ((ICPPVariable)rbinding).isExternC();
 	}
 
-	public IType getType() throws DOMException {
+	public IType getType() {
 		IType rtype = ((ICPPVariable)rbinding).getType();
 		return cf.getCompositeType(rtype);
 	}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/AbstractIndexerTask.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/AbstractIndexerTask.java
index b11638817d8..d0e1ec78fb3 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/AbstractIndexerTask.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/AbstractIndexerTask.java
@@ -52,7 +52,6 @@ import org.eclipse.cdt.internal.core.index.IWritableIndex;
 import org.eclipse.cdt.internal.core.index.IndexBasedFileContentProvider;
 import org.eclipse.cdt.internal.core.parser.scanner.InternalFileContentProvider;
 import org.eclipse.cdt.internal.core.parser.scanner.StreamHasher;
-import org.eclipse.cdt.internal.core.pdom.dom.PDOMNotImplementedError;
 import org.eclipse.cdt.utils.EFSExtensionManager;
 import org.eclipse.core.runtime.Assert;
 import org.eclipse.core.runtime.CoreException;
@@ -763,8 +762,6 @@ public abstract class AbstractIndexerTask extends PDOMWriter {
 			th= e;
 		} catch (RuntimeException e) {
 			th= e;
-		} catch (PDOMNotImplementedError e) {
-			th= e;
 		} catch (StackOverflowError e) {
 			th= e;
 		} catch (AssertionError e) {
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/PDOMWriter.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/PDOMWriter.java
index fa6382de502..62b1b1285a2 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/PDOMWriter.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/PDOMWriter.java
@@ -56,7 +56,6 @@ import org.eclipse.cdt.internal.core.index.IWritableIndex;
 import org.eclipse.cdt.internal.core.index.IWritableIndex.IncludeInformation;
 import org.eclipse.cdt.internal.core.parser.scanner.LocationMap;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMASTAdapter;
-import org.eclipse.cdt.internal.core.pdom.dom.PDOMNotImplementedError;
 import org.eclipse.cdt.internal.core.pdom.indexer.IndexerASTVisitor;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IProgressMonitor;
@@ -211,8 +210,6 @@ abstract public class PDOMWriter {
 							contextIncludes, lock);
 				} catch (RuntimeException e) {
 					th= e;
-				} catch (PDOMNotImplementedError e) {
-					th= e;
 				} catch (StackOverflowError e) {
 					th= e;
 				} catch (AssertionError e) {
@@ -281,8 +278,6 @@ abstract public class PDOMWriter {
 						}
 					} catch (RuntimeException e) {
 						th= e;
-					} catch (PDOMNotImplementedError e) {
-						th= e;
 					} catch (StackOverflowError e) {
 						th= e;
 					}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMASTAdapter.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMASTAdapter.java
index 3fb480687c4..26217f1c1c0 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMASTAdapter.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMASTAdapter.java
@@ -237,7 +237,7 @@ public class PDOMASTAdapter {
 
 		@Override
 		public Object clone() {
-			throw new PDOMNotImplementedError();
+			throw new UnsupportedOperationException();
 		}
 
 		@SuppressWarnings("rawtypes")
@@ -293,7 +293,7 @@ public class PDOMASTAdapter {
 
 		@Override
 		public Object clone() {
-			throw new PDOMNotImplementedError();
+			throw new UnsupportedOperationException();
 		}
 
 		public IField findField(String name) {
@@ -357,7 +357,7 @@ public class PDOMASTAdapter {
 		
 		@Override
 		public Object clone() {
-			throw new PDOMNotImplementedError();
+			throw new UnsupportedOperationException();
 		}
 
 		public String getName() {
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMBinding.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMBinding.java
index 05f6860cd23..fe6e30c2275 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMBinding.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMBinding.java
@@ -255,10 +255,7 @@ public abstract class PDOMBinding extends PDOMNamedNode implements IPDOMBinding
 			return ASTTypeUtil.getType((IType) this);
 		} else if (this instanceof IFunction) {
 			IFunctionType t= null;
-			try {
-				t = ((IFunction) this).getType();
-			} catch (DOMException e) {
-			}
+			t = ((IFunction) this).getType();
 			if (t != null) {
 				return getName() + ASTTypeUtil.getParameterTypeString(t);
 			} else {
@@ -296,13 +293,6 @@ public abstract class PDOMBinding extends PDOMNamedNode implements IPDOMBinding
 		return Integer.toString(value);
 	}
 	
-	/**
-     * Convenience method to shorten subclass file length
-     */
-	protected final void fail() {
-		throw new PDOMNotImplementedError("in " + getClass().getCanonicalName()); //$NON-NLS-1$
-	}
-	
 	public PDOMName getScopeName() {
 		try {
 			PDOMName name = getFirstDefinition();
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMNotImplementedError.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMNotImplementedError.java
deleted file mode 100644
index 45b8f67ed53..00000000000
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMNotImplementedError.java
+++ /dev/null
@@ -1,28 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2005, 2006 QNX Software Systems and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- * QNX - Initial API and implementation
- *******************************************************************************/
-package org.eclipse.cdt.internal.core.pdom.dom;
-
-/**
- * @author Doug Schaefer
- *
- */
-public class PDOMNotImplementedError extends Error {
-
-	public static final long serialVersionUID = 0;
-
-	public PDOMNotImplementedError() {
-		super();
-	}
-	
-	public PDOMNotImplementedError(String message) {
-		super(message);
-	}
-}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCEnumeration.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCEnumeration.java
index cd040807a4f..02244f62cb4 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCEnumeration.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCEnumeration.java
@@ -28,7 +28,6 @@ import org.eclipse.cdt.internal.core.pdom.dom.PDOMASTAdapter;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMBinding;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMLinkage;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMNode;
-import org.eclipse.cdt.internal.core.pdom.dom.PDOMNotImplementedError;
 import org.eclipse.core.runtime.CoreException;
 
 /**
@@ -162,7 +161,6 @@ class PDOMCEnumeration extends PDOMBinding implements IEnumeration, IIndexType {
 
 	@Override
 	public Object clone() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException(); 
 	}
-
 }
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCFunction.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCFunction.java
index 7e68e054d41..50e5d7637e8 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCFunction.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCFunction.java
@@ -15,14 +15,14 @@
 package org.eclipse.cdt.internal.core.pdom.dom.c;
 
 import org.eclipse.cdt.core.CCorePlugin;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.core.dom.ast.IFunction;
 import org.eclipse.cdt.core.dom.ast.IFunctionType;
 import org.eclipse.cdt.core.dom.ast.IParameter;
 import org.eclipse.cdt.core.dom.ast.IScope;
+import org.eclipse.cdt.core.dom.ast.ISemanticProblem;
 import org.eclipse.cdt.core.dom.ast.IType;
-import org.eclipse.cdt.internal.core.Util;
+import org.eclipse.cdt.internal.core.dom.parser.ProblemFunctionType;
 import org.eclipse.cdt.internal.core.index.IIndexCBindingConstants;
 import org.eclipse.cdt.internal.core.pdom.db.Database;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMBinding;
@@ -75,13 +75,9 @@ class PDOMCFunction extends PDOMBinding implements IFunction {
 		IFunctionType type;
 		IParameter[] parameters;
 		byte annotations;
-		try {
-			type = function.getType();
-			parameters = function.getParameters();
-			annotations = PDOMCAnnotation.encodeAnnotation(function);
-		} catch(DOMException e) {
-			throw new CoreException(Util.createStatus(e));
-		}
+		type = function.getType();
+		parameters = function.getParameters();
+		annotations = PDOMCAnnotation.encodeAnnotation(function);
 		setType(getLinkage(), type);
 		setParameters(parameters);
 		getDB().putByte(record + ANNOTATIONS, annotations);
@@ -94,13 +90,9 @@ class PDOMCFunction extends PDOMBinding implements IFunction {
 			IFunctionType newType;
 			IParameter[] newParams;
 			byte newAnnotation;
-			try {
-				newType= func.getType();
-				newParams = func.getParameters();
-				newAnnotation = PDOMCAnnotation.encodeAnnotation(func);
-			} catch (DOMException e) {
-				throw new CoreException(Util.createStatus(e));
-			}
+			newType= func.getType();
+			newParams = func.getParameters();
+			newAnnotation = PDOMCAnnotation.encodeAnnotation(func);
 				
 			setType(linkage, newType);
 			PDOMCParameter oldParams= getFirstParameter(null);
@@ -148,7 +140,7 @@ class PDOMCFunction extends PDOMBinding implements IFunction {
 			return (IFunctionType) getLinkage().loadType(record + FUNCTION_TYPE);
 		} catch(CoreException ce) {
 			CCorePlugin.log(ce);
-			return null;
+			return new ProblemFunctionType(ISemanticProblem.TYPE_NOT_PERSISTED);
 		}
 	}
 
@@ -160,7 +152,7 @@ class PDOMCFunction extends PDOMBinding implements IFunction {
 		return getBit(getByte(record + ANNOTATIONS), PDOMCAnnotation.EXTERN_OFFSET);
 	}
 
-	public IParameter[] getParameters() throws DOMException {
+	public IParameter[] getParameters() {
 		try {
 			PDOMLinkage linkage= getLinkage();
 			Database db= getDB();
@@ -202,7 +194,7 @@ class PDOMCFunction extends PDOMBinding implements IFunction {
 		return getBit(getByte(record + ANNOTATIONS), PDOMCAnnotation.VARARGS_OFFSET);
 	}
 	
-	public IScope getFunctionScope() throws DOMException {
+	public IScope getFunctionScope() {
 		return null;
 	}
 }
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCParameter.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCParameter.java
index b46776ec791..37224d80157 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCParameter.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCParameter.java
@@ -13,7 +13,6 @@
 package org.eclipse.cdt.internal.core.pdom.dom.c;
 
 import org.eclipse.cdt.core.CCorePlugin;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IParameter;
 import org.eclipse.cdt.core.dom.ast.IType;
 import org.eclipse.cdt.core.dom.ast.IValue;
@@ -26,7 +25,6 @@ import org.eclipse.cdt.internal.core.pdom.dom.IPDOMBinding;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMLinkage;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMNamedNode;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMNode;
-import org.eclipse.cdt.internal.core.pdom.dom.PDOMNotImplementedError;
 import org.eclipse.core.runtime.CoreException;
 
 /**
@@ -89,7 +87,7 @@ final class PDOMCParameter extends PDOMNamedNode implements IParameter, IPDOMBin
 	}
 
 	public IIndexScope getScope() {
-		throw new PDOMNotImplementedError();
+		return null;
 	}
 
 	@SuppressWarnings("rawtypes")
@@ -121,22 +119,10 @@ final class PDOMCParameter extends PDOMNamedNode implements IParameter, IPDOMBin
 		return true;
 	}
 
-	public int compareTo(Object arg0) {
-		throw new PDOMNotImplementedError();
-	}
-	
 	public String[] getQualifiedName() {
-		throw new PDOMNotImplementedError();
+		return new String[] {getName()};
 	}
 
-	public char[][] getQualifiedNameCharArray() throws DOMException {
-		throw new PDOMNotImplementedError();
-	}
-
-	public boolean isGloballyQualified() throws DOMException {
-		throw new PDOMNotImplementedError();
-	}
-	
 	public int getBindingConstant() {
 		return getNodeType();
 	}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCTypedef.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCTypedef.java
index c289d98eab1..3b0144d4016 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCTypedef.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCTypedef.java
@@ -138,7 +138,12 @@ class PDOMCTypedef extends PDOMBinding implements ITypedef, ITypeContainer, IInd
 		return getName() + ": " + super.toStringBase(); //$NON-NLS-1$
 	}
 
-	public void setType(IType type) {fail();}		
+	public void setType(IType type) {
+		throw new UnsupportedOperationException(); 
+	}
+	
 	@Override
-	public Object clone() {fail(); return null;}
+	public Object clone() {
+		throw new UnsupportedOperationException(); 
+	}
 }
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCVariable.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCVariable.java
index 8c3b1ddaf45..6cfa07785e8 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCVariable.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCVariable.java
@@ -13,13 +13,11 @@
 package org.eclipse.cdt.internal.core.pdom.dom.c;
 
 import org.eclipse.cdt.core.CCorePlugin;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IASTName;
 import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.core.dom.ast.IType;
 import org.eclipse.cdt.core.dom.ast.IValue;
 import org.eclipse.cdt.core.dom.ast.IVariable;
-import org.eclipse.cdt.internal.core.Util;
 import org.eclipse.cdt.internal.core.dom.parser.c.CVariableReadWriteFlags;
 import org.eclipse.cdt.internal.core.index.IIndexCBindingConstants;
 import org.eclipse.cdt.internal.core.pdom.db.Database;
@@ -62,15 +60,11 @@ class PDOMCVariable extends PDOMBinding implements IVariable {
 	public PDOMCVariable(PDOMLinkage linkage, PDOMNode parent, IVariable variable) throws CoreException {
 		super(linkage, parent, variable.getNameCharArray());
 
-		try {
-			final Database db = getDB();
-			setType(parent.getLinkage(), variable.getType());
-			db.putByte(record + ANNOTATIONS, PDOMCAnnotation.encodeAnnotation(variable));
-			
-			setValue(db, variable);
-		} catch (DOMException e) {
-			throw new CoreException(Util.createStatus(e));
-		}
+		final Database db = getDB();
+		setType(parent.getLinkage(), variable.getType());
+		db.putByte(record + ANNOTATIONS, PDOMCAnnotation.encodeAnnotation(variable));
+		
+		setValue(db, variable);
 	}
 
 	private void setValue(final Database db, IVariable variable) throws CoreException {
@@ -85,16 +79,12 @@ class PDOMCVariable extends PDOMBinding implements IVariable {
 			final Database db = getDB();
 			IVariable var= (IVariable) newBinding;
 			long valueRec= db.getRecPtr(record + VALUE_OFFSET);
-			try {
-				IType newType= var.getType();
-				setType(linkage, newType);
-				db.putByte(record + ANNOTATIONS, PDOMCAnnotation.encodeAnnotation(var));
-				setValue(db, var);
-				
-				PDOMValue.delete(db, valueRec);
-			} catch (DOMException e) {
-				throw new CoreException(Util.createStatus(e));
-			}
+			IType newType= var.getType();
+			setType(linkage, newType);
+			db.putByte(record + ANNOTATIONS, PDOMCAnnotation.encodeAnnotation(var));
+			setValue(db, var);
+			
+			PDOMValue.delete(db, valueRec);
 		}
 	}
 
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPBase.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPBase.java
index 15ce48f1f83..48dbd1445eb 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPBase.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPBase.java
@@ -20,7 +20,6 @@ import org.eclipse.cdt.internal.core.pdom.db.Database;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMBinding;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMLinkage;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMName;
-import org.eclipse.cdt.internal.core.pdom.dom.PDOMNotImplementedError;
 import org.eclipse.core.runtime.CoreException;
 
 /**
@@ -133,7 +132,7 @@ class PDOMCPPBase implements ICPPBase, ICPPInternalBase {
 	}
 	
 	public void setBaseClass(IBinding binding) {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException(); 
 	}
 	
 	@Override
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPClassTemplatePartialSpecialization.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPClassTemplatePartialSpecialization.java
index 2a635f17675..946464f3999 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPClassTemplatePartialSpecialization.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPClassTemplatePartialSpecialization.java
@@ -33,7 +33,6 @@ import org.eclipse.cdt.internal.core.pdom.dom.IPDOMOverloader;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMBinding;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMLinkage;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMNode;
-import org.eclipse.cdt.internal.core.pdom.dom.PDOMNotImplementedError;
 import org.eclipse.core.runtime.CoreException;
 
 /**
@@ -150,7 +149,7 @@ class PDOMCPPClassTemplatePartialSpecialization extends	PDOMCPPClassTemplate
 					CCorePlugin.log(ce);
 				}
 			} else {
-				throw new PDOMNotImplementedError();
+				assert false;
 			}
 		}
 		return cmp;
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPDeferredClassInstance.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPDeferredClassInstance.java
index f5cf030d33e..8dcd5fcd089 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPDeferredClassInstance.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPDeferredClassInstance.java
@@ -174,7 +174,9 @@ class PDOMCPPDeferredClassInstance extends PDOMCPPSpecialization implements ICPP
     }
 
 	@Override
-	public Object clone() {fail();return null;}
+	public Object clone() {
+		throw new UnsupportedOperationException(); 
+	}
 
 	public ICPPScope asScope() {
 		if (unknownScope == null) {
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPFieldSpecialization.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPFieldSpecialization.java
index 0eaa5bfa30b..8974e544d88 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPFieldSpecialization.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPFieldSpecialization.java
@@ -12,14 +12,14 @@
 package org.eclipse.cdt.internal.core.pdom.dom.cpp;
 
 import org.eclipse.cdt.core.CCorePlugin;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.ICompositeType;
+import org.eclipse.cdt.core.dom.ast.ISemanticProblem;
 import org.eclipse.cdt.core.dom.ast.IType;
 import org.eclipse.cdt.core.dom.ast.IValue;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPField;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPSpecialization;
-import org.eclipse.cdt.internal.core.Util;
+import org.eclipse.cdt.internal.core.dom.parser.ProblemType;
 import org.eclipse.cdt.internal.core.index.IIndexCPPBindingConstants;
 import org.eclipse.cdt.internal.core.pdom.db.Database;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMBinding;
@@ -43,14 +43,10 @@ class PDOMCPPFieldSpecialization extends PDOMCPPSpecialization implements ICPPFi
 			throws CoreException {
 		super(linkage, parent, (ICPPSpecialization) field, specialized);
 		
-		try {
-			final Database db = getDB();
-			linkage.storeType(record + TYPE_OFFSET, field.getType());
-			long rec= PDOMValue.store(db, linkage, field.getInitialValue());
-			db.putRecPtr(record + VALUE_OFFSET, rec);
-		} catch (DOMException e) {
-			throw new CoreException(Util.createStatus(e));
-		}
+		final Database db = getDB();
+		linkage.storeType(record + TYPE_OFFSET, field.getType());
+		long rec= PDOMValue.store(db, linkage, field.getInitialValue());
+		db.putRecPtr(record + VALUE_OFFSET, rec);
 	}
 
 	public PDOMCPPFieldSpecialization(PDOMLinkage linkage, long bindingRecord) {
@@ -75,13 +71,13 @@ class PDOMCPPFieldSpecialization extends PDOMCPPSpecialization implements ICPPFi
 		return getClassOwner();
 	}
 
-	public IType getType() throws DOMException {
+	public IType getType() {
 		try {
 			return getLinkage().loadType(record + TYPE_OFFSET);
 		} catch (CoreException e) {
 			CCorePlugin.log(e);
+			return new ProblemType(ISemanticProblem.TYPE_NOT_PERSISTED);
 		}
-		return null;
 	}
 
 	public IValue getInitialValue() {
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPFunction.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPFunction.java
index 0dcaf92dd7d..747fabac9fd 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPFunction.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPFunction.java
@@ -16,12 +16,13 @@ import org.eclipse.cdt.core.CCorePlugin;
 import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.core.dom.ast.IScope;
+import org.eclipse.cdt.core.dom.ast.ISemanticProblem;
 import org.eclipse.cdt.core.dom.ast.IType;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunction;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunctionType;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPMethod;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPParameter;
-import org.eclipse.cdt.internal.core.Util;
+import org.eclipse.cdt.internal.core.dom.parser.ProblemFunctionType;
 import org.eclipse.cdt.internal.core.index.IIndexCPPBindingConstants;
 import org.eclipse.cdt.internal.core.index.IndexCPPSignatureUtil;
 import org.eclipse.cdt.internal.core.pdom.db.Database;
@@ -29,7 +30,6 @@ import org.eclipse.cdt.internal.core.pdom.dom.IPDOMOverloader;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMBinding;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMLinkage;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMNode;
-import org.eclipse.cdt.internal.core.pdom.dom.PDOMNotImplementedError;
 import org.eclipse.cdt.internal.core.pdom.dom.c.PDOMCAnnotation;
 import org.eclipse.core.runtime.CoreException;
 
@@ -128,14 +128,10 @@ class PDOMCPPFunction extends PDOMCPPBinding implements ICPPFunction, IPDOMOverl
 			ICPPParameter[] newParams;
 			short newAnnotation;
 			int newBindingRequiredArgCount;
-			try {
-				newType= func.getType();
-				newParams = func.getParameters();
-				newAnnotation = getAnnotation(func);
-				newBindingRequiredArgCount= func.getRequiredArgumentCount();
-			} catch (DOMException e) {
-				throw new CoreException(Util.createStatus(e));
-			}
+			newType= func.getType();
+			newParams = func.getParameters();
+			newAnnotation = getAnnotation(func);
+			newBindingRequiredArgCount= func.getRequiredArgumentCount();
 				
 			fType= null;
 			linkage.storeType(record+FUNCTION_TYPE, newType);
@@ -244,7 +240,7 @@ class PDOMCPPFunction extends PDOMCPPBinding implements ICPPFunction, IPDOMOverl
 	}
 
 	
-	public int getRequiredArgumentCount() throws DOMException {
+	public int getRequiredArgumentCount() {
 		if (fRequiredArgCount == -1) {
 			try {
 				fRequiredArgCount= getDB().getInt(record + REQUIRED_ARG_COUNT);
@@ -271,14 +267,14 @@ class PDOMCPPFunction extends PDOMCPPBinding implements ICPPFunction, IPDOMOverl
 	}
 
 	public boolean isMutable() {
-		throw new PDOMNotImplementedError();
+		return false;
 	}
 
-	public IScope getFunctionScope() throws DOMException {
-		throw new PDOMNotImplementedError();
+	public IScope getFunctionScope() {
+		return null;
 	}
 
-	public ICPPParameter[] getParameters() throws DOMException {
+	public ICPPParameter[] getParameters() {
 		try {
 			PDOMLinkage linkage= getLinkage();
 			Database db= getDB();
@@ -308,6 +304,7 @@ class PDOMCPPFunction extends PDOMCPPBinding implements ICPPFunction, IPDOMOverl
 				fType= (ICPPFunctionType) getLinkage().loadType(record+FUNCTION_TYPE);
 			} catch (CoreException e) {
 				CCorePlugin.log(e);
+				fType= new ProblemFunctionType(ISemanticProblem.TYPE_NOT_PERSISTED);
 			}
 		}
 		return fType;
@@ -345,7 +342,7 @@ class PDOMCPPFunction extends PDOMCPPBinding implements ICPPFunction, IPDOMOverl
 
 	@Override
 	public Object clone() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException(); 
 	}
 	
 	@Override
@@ -365,7 +362,7 @@ class PDOMCPPFunction extends PDOMCPPBinding implements ICPPFunction, IPDOMOverl
 				CCorePlugin.log(ce);
 			}
 		} else {
-			throw new PDOMNotImplementedError(b.getClass().toString());
+			assert false;
 		}
 		return 0;
 	}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPFunctionSpecialization.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPFunctionSpecialization.java
index e601bf5928c..ca7872f6fb2 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPFunctionSpecialization.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPFunctionSpecialization.java
@@ -12,22 +12,21 @@
 package org.eclipse.cdt.internal.core.pdom.dom.cpp;
 
 import org.eclipse.cdt.core.CCorePlugin;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IFunctionType;
 import org.eclipse.cdt.core.dom.ast.IScope;
+import org.eclipse.cdt.core.dom.ast.ISemanticProblem;
 import org.eclipse.cdt.core.dom.ast.IType;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunction;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunctionType;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPMethod;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPParameter;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPSpecialization;
-import org.eclipse.cdt.internal.core.Util;
+import org.eclipse.cdt.internal.core.dom.parser.ProblemFunctionType;
 import org.eclipse.cdt.internal.core.index.IIndexCPPBindingConstants;
 import org.eclipse.cdt.internal.core.pdom.db.Database;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMBinding;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMLinkage;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMNode;
-import org.eclipse.cdt.internal.core.pdom.dom.PDOMNotImplementedError;
 import org.eclipse.cdt.internal.core.pdom.dom.c.PDOMCAnnotation;
 import org.eclipse.core.runtime.CoreException;
 
@@ -84,44 +83,40 @@ class PDOMCPPFunctionSpecialization extends PDOMCPPSpecialization implements ICP
 		super(linkage, parent, (ICPPSpecialization) astFunction, specialized);
 		
 		Database db = getDB();
-		try {
-			ICPPParameter[] astParams= astFunction.getParameters();
-			IFunctionType astFt= astFunction.getType();
-			if (astFt != null) {
-				getLinkage().storeType(record + FUNCTION_TYPE, astFt);
-			}
-
-			ICPPFunction origAstFunc= (ICPPFunction) ((ICPPSpecialization)astFunction).getSpecializedBinding();
-			ICPPParameter[] origAstParams= origAstFunc.getParameters();
-			if (origAstParams.length == 0) {
-				db.putInt(record + NUM_PARAMS, 0);
-				db.putRecPtr(record + FIRST_PARAM, 0);
-			} else {
-				final int length= astParams.length;
-				db.putInt(record + NUM_PARAMS, length);
-
-				db.putRecPtr(record + FIRST_PARAM, 0);
-				PDOMCPPParameter origPar= null;
-				PDOMCPPParameterSpecialization next= null;
-				for (int i= length-1; i >= 0; --i) {
-					// There may be fewer or less original parameters, because of parameter packs.
-					if (i < origAstParams.length-1) {
-						// Normal case
-						origPar= new PDOMCPPParameter(linkage, specialized, origAstParams[i], null);
-					} else if (origPar == null) {
-						// Use last parameter
-						origPar= new PDOMCPPParameter(linkage, specialized, origAstParams[origAstParams.length-1], null);
-					}
-					next= new PDOMCPPParameterSpecialization(linkage, this, astParams[i], origPar, next);
-				}
-				db.putRecPtr(record + FIRST_PARAM, next == null ? 0 : next.getRecord());
-			}
-			fAnnotation = getAnnotation(astFunction);
-			db.putShort(record + ANNOTATION_OFFSET, fAnnotation);	
-			db.putInt(record + REQUIRED_ARG_COUNT_OFFSET, astFunction.getRequiredArgumentCount());
-		} catch (DOMException e) {
-			throw new CoreException(Util.createStatus(e));
+		ICPPParameter[] astParams= astFunction.getParameters();
+		IFunctionType astFt= astFunction.getType();
+		if (astFt != null) {
+			getLinkage().storeType(record + FUNCTION_TYPE, astFt);
 		}
+
+		ICPPFunction origAstFunc= (ICPPFunction) ((ICPPSpecialization)astFunction).getSpecializedBinding();
+		ICPPParameter[] origAstParams= origAstFunc.getParameters();
+		if (origAstParams.length == 0) {
+			db.putInt(record + NUM_PARAMS, 0);
+			db.putRecPtr(record + FIRST_PARAM, 0);
+		} else {
+			final int length= astParams.length;
+			db.putInt(record + NUM_PARAMS, length);
+
+			db.putRecPtr(record + FIRST_PARAM, 0);
+			PDOMCPPParameter origPar= null;
+			PDOMCPPParameterSpecialization next= null;
+			for (int i= length-1; i >= 0; --i) {
+				// There may be fewer or less original parameters, because of parameter packs.
+				if (i < origAstParams.length-1) {
+					// Normal case
+					origPar= new PDOMCPPParameter(linkage, specialized, origAstParams[i], null);
+				} else if (origPar == null) {
+					// Use last parameter
+					origPar= new PDOMCPPParameter(linkage, specialized, origAstParams[origAstParams.length-1], null);
+				}
+				next= new PDOMCPPParameterSpecialization(linkage, this, astParams[i], origPar, next);
+			}
+			db.putRecPtr(record + FIRST_PARAM, next == null ? 0 : next.getRecord());
+		}
+		fAnnotation = getAnnotation(astFunction);
+		db.putShort(record + ANNOTATION_OFFSET, fAnnotation);	
+		db.putInt(record + REQUIRED_ARG_COUNT_OFFSET, astFunction.getRequiredArgumentCount());
 		long typelist= 0;
 		if (astFunction instanceof ICPPMethod && ((ICPPMethod) astFunction).isImplicit()) {
 			// don't store the exception specification, computed it on demand.
@@ -176,11 +171,11 @@ class PDOMCPPFunctionSpecialization extends PDOMCPPSpecialization implements ICP
 		return false;
 	}
 
-	public IScope getFunctionScope() throws DOMException {
-		throw new PDOMNotImplementedError();
+	public IScope getFunctionScope() {
+		return null;
 	}
 
-	public ICPPParameter[] getParameters() throws DOMException {
+	public ICPPParameter[] getParameters() {
 		try {
 			PDOMLinkage linkage= getLinkage();
 			Database db= getDB();
@@ -204,12 +199,13 @@ class PDOMCPPFunctionSpecialization extends PDOMCPPSpecialization implements ICP
 		}
 	}
 
-	public ICPPFunctionType getType() throws DOMException {		
+	public ICPPFunctionType getType() {		
 		if (fType == null) {
 			try {
 				fType= (ICPPFunctionType) getLinkage().loadType(record + FUNCTION_TYPE);
 			} catch(CoreException ce) {
 				CCorePlugin.log(ce);
+				fType= new ProblemFunctionType(ISemanticProblem.TYPE_NOT_PERSISTED);
 			}
 		}
 		return fType;
@@ -242,7 +238,7 @@ class PDOMCPPFunctionSpecialization extends PDOMCPPSpecialization implements ICP
 	}
 
 	
-	public int getRequiredArgumentCount() throws DOMException {
+	public int getRequiredArgumentCount() {
 		if (fRequiredArgCount == -1) {
 			try {
 				fRequiredArgCount= getDB().getInt(record + REQUIRED_ARG_COUNT_OFFSET);
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPMethod.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPMethod.java
index 0044eed621c..0a5d2e03466 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPMethod.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPMethod.java
@@ -35,7 +35,6 @@ import org.eclipse.cdt.internal.core.pdom.db.Database;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMLinkage;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMName;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMNode;
-import org.eclipse.cdt.internal.core.pdom.dom.PDOMNotImplementedError;
 import org.eclipse.cdt.internal.core.pdom.dom.c.PDOMCAnnotation;
 import org.eclipse.core.runtime.CoreException;
 
@@ -126,7 +125,7 @@ class PDOMCPPMethod extends PDOMCPPFunction implements ICPPMethod {
 
 	@Override
 	public boolean isMutable() {
-		throw new PDOMNotImplementedError();
+		return false;
 	}
 
 	public boolean isImplicit() {
@@ -138,8 +137,8 @@ class PDOMCPPMethod extends PDOMCPPFunction implements ICPPMethod {
 	}
 
 	@Override
-	public IScope getFunctionScope() throws DOMException {
-		throw new PDOMNotImplementedError();
+	public IScope getFunctionScope() {
+		return null;
 	}
 
 	@Override
@@ -175,7 +174,7 @@ class PDOMCPPMethod extends PDOMCPPFunction implements ICPPMethod {
 
 	@Override
 	public Object clone() {
-		throw new PDOMNotImplementedError();
+		throw new UnsupportedOperationException(); 
 	}
 
 	public boolean isConst() {
@@ -208,12 +207,8 @@ class PDOMCPPMethod extends PDOMCPPFunction implements ICPPMethod {
 						if (fieldOwner instanceof IASTIdExpression) {
 							IBinding b= ((IASTIdExpression) fieldOwner).getName().resolveBinding();
 							if (b instanceof IVariable) {
-								try {
-									IType t = ((IVariable) b).getType();
-									if (!(t instanceof ICPPReferenceType)) {
-										return 0;
-									}			
-								} catch (DOMException e) {
+								IType t = ((IVariable) b).getType();
+								if (!(t instanceof ICPPReferenceType)) {
 									return 0;
 								}
 							}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPNamespace.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPNamespace.java
index 799959c45a8..2ddf68de649 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPNamespace.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPNamespace.java
@@ -235,7 +235,9 @@ class PDOMCPPNamespace extends PDOMCPPBinding
 		return result;
 	}
 	
-	public void addUsingDirective(ICPPUsingDirective directive) { fail(); }
+	public void addUsingDirective(ICPPUsingDirective directive) { 
+		throw new UnsupportedOperationException();
+	}
 	
 	public IIndexBinding getScopeBinding() {
 		return this;
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPNamespaceAlias.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPNamespaceAlias.java
index 9f93d1e31ba..ef058652067 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPNamespaceAlias.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPNamespaceAlias.java
@@ -14,6 +14,7 @@ package org.eclipse.cdt.internal.core.pdom.dom.cpp;
 
 import org.eclipse.cdt.core.CCorePlugin;
 import org.eclipse.cdt.core.dom.ast.IBinding;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPNamespace;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPNamespaceAlias;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPNamespaceScope;
 import org.eclipse.cdt.internal.core.index.IIndexCPPBindingConstants;
@@ -21,7 +22,6 @@ import org.eclipse.cdt.internal.core.pdom.db.Database;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMBinding;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMLinkage;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMNode;
-import org.eclipse.cdt.internal.core.pdom.dom.PDOMNotImplementedError;
 import org.eclipse.core.runtime.CoreException;
 
 /**
@@ -88,7 +88,20 @@ class PDOMCPPNamespaceAlias extends PDOMCPPBinding implements ICPPNamespaceAlias
 	}
 
 	public IBinding[] getMemberBindings() {
-		throw new PDOMNotImplementedError();
+		ICPPNamespace ns= this;
+		for (int i = 0; i < 20; i++) {
+			if (ns instanceof ICPPNamespaceAlias) {
+				IBinding b= ((ICPPNamespaceAlias) ns).getBinding();
+				if (b instanceof ICPPNamespace) {
+					ns= (ICPPNamespace) b;
+				} else {
+					return IBinding.EMPTY_BINDING_ARRAY;
+				}
+			} else {
+				break;
+			}
+		}
+		return ns.getMemberBindings();
 	}
 
 	public IBinding getBinding() {
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPParameter.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPParameter.java
index 8705bb7cbaa..67839086882 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPParameter.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPParameter.java
@@ -28,7 +28,6 @@ import org.eclipse.cdt.internal.core.pdom.dom.IPDOMBinding;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMLinkage;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMNamedNode;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMNode;
-import org.eclipse.cdt.internal.core.pdom.dom.PDOMNotImplementedError;
 import org.eclipse.cdt.internal.core.pdom.dom.c.PDOMCAnnotation;
 import org.eclipse.core.runtime.CoreException;
 
@@ -198,10 +197,6 @@ class PDOMCPPParameter extends PDOMNamedNode implements ICPPParameter, IPDOMBind
 		// parameter bindings do not span index fragments
 		return true;
 	}
-
-	public int compareTo(Object arg0) {
-		throw new PDOMNotImplementedError();
-	}
 	
 	public int getBindingConstant() {
 		return getNodeType();
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPParameterSpecialization.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPParameterSpecialization.java
index d8343400cce..6d537ead4f3 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPParameterSpecialization.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPParameterSpecialization.java
@@ -11,7 +11,6 @@
  *******************************************************************************/
 package org.eclipse.cdt.internal.core.pdom.dom.cpp;
 
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.core.dom.ast.IParameter;
 import org.eclipse.cdt.core.dom.ast.IType;
@@ -77,28 +76,25 @@ class PDOMCPPParameterSpecialization extends PDOMCPPSpecialization implements IC
 		IType type= null;
 		IBinding parent = getParentBinding();
 		if (parent instanceof ICPPSpecialization && parent instanceof ICPPFunction) {
-			try {
-				IParameter[] pars= ((ICPPFunction) parent).getParameters();
-				int parPos= -1;
-				for (parPos= 0; parPos<pars.length; parPos++) {
-					IParameter par= pars[parPos];
-					if (equals(par)) {
-						break;
-					}
+			IParameter[] pars= ((ICPPFunction) parent).getParameters();
+			int parPos= -1;
+			for (parPos= 0; parPos<pars.length; parPos++) {
+				IParameter par= pars[parPos];
+				if (equals(par)) {
+					break;
 				}
-				if (parPos < pars.length) {
-					parent= ((ICPPSpecialization) parent).getSpecializedBinding();
-					if (parent instanceof ICPPFunction) {
-						ICPPFunctionType ftype = ((ICPPFunction) parent).getType();
-						if (ftype != null) {
-							IType[] ptypes= ftype.getParameterTypes();
-							if (parPos < ptypes.length) {
-								type= ptypes[parPos];
-							}
+			}
+			if (parPos < pars.length) {
+				parent= ((ICPPSpecialization) parent).getSpecializedBinding();
+				if (parent instanceof ICPPFunction) {
+					ICPPFunctionType ftype = ((ICPPFunction) parent).getType();
+					if (ftype != null) {
+						IType[] ptypes= ftype.getParameterTypes();
+						if (parPos < ptypes.length) {
+							type= ptypes[parPos];
 						}
 					}
 				}
-			} catch (DOMException e) {
 			}
 		} 
 		return new PDOMCPPParameter(getLinkage(), record, type);
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPTemplateNonTypeParameter.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPTemplateNonTypeParameter.java
index 3a4cd276b70..d2945445e2e 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPTemplateNonTypeParameter.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPTemplateNonTypeParameter.java
@@ -207,8 +207,7 @@ class PDOMCPPTemplateNonTypeParameter extends PDOMCPPBinding implements IPDOMMem
 	
 	@Override
 	public Object clone() {
-		fail();
-		return null;
+		throw new UnsupportedOperationException(); 
 	}
 	/**
 	 * @deprecated
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPTemplateTemplateParameter.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPTemplateTemplateParameter.java
index c69eb6d4c71..1bb6a520bf3 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPTemplateTemplateParameter.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPTemplateTemplateParameter.java
@@ -166,7 +166,9 @@ public class PDOMCPPTemplateTemplateParameter extends PDOMCPPBinding
 	}
 	
 	@Override
-	public Object clone() { fail(); return null; }
+	public Object clone() { 
+		throw new UnsupportedOperationException(); 
+	}
 
 
 	public ICPPScope asScope() {
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPTemplateTypeParameter.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPTemplateTypeParameter.java
index b19fa32be32..d028b999c58 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPTemplateTypeParameter.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPTemplateTypeParameter.java
@@ -152,8 +152,9 @@ class PDOMCPPTemplateTypeParameter extends PDOMCPPBinding implements IPDOMMember
 	}
 	
 	@Override
-	public Object clone() { fail(); return null; }
-
+	public Object clone() { 
+		throw new UnsupportedOperationException(); 
+	}
 
 	public ICPPScope asScope() {
 		if (fUnknownScope == null) {
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPTypedef.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPTypedef.java
index bc590504be8..fb455928789 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPTypedef.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPTypedef.java
@@ -134,7 +134,9 @@ class PDOMCPPTypedef extends PDOMCPPBinding implements ITypedef, ITypeContainer,
 		return getName() + ": " + super.toStringBase(); //$NON-NLS-1$
 	}
 
-	public void setType(IType type) { fail(); }
+	public void setType(IType type) { 
+		throw new UnsupportedOperationException(); 
+	}
 
 	@Override
 	public Object clone() {
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPTypedefSpecialization.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPTypedefSpecialization.java
index 5d4bb899372..a13b13fbf36 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPTypedefSpecialization.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPTypedefSpecialization.java
@@ -98,7 +98,9 @@ class PDOMCPPTypedefSpecialization extends PDOMCPPSpecialization implements ITyp
 	    return false;
 	}
 
-	public void setType(IType type) { fail(); }
+	public void setType(IType type) { 
+		throw new UnsupportedOperationException(); 
+	}
 
     /* (non-Javadoc)
      * @see java.lang.Object#clone()
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPUnknownClassType.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPUnknownClassType.java
index 1239abc4db2..9c27c8608aa 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPUnknownClassType.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPUnknownClassType.java
@@ -147,8 +147,13 @@ class PDOMCPPUnknownClassType extends PDOMCPPUnknownBinding implements ICPPClass
 	// Not implemented
 
 	@Override
-	public Object clone() { fail(); return null; }
-	public IField findField(String name) { fail(); return null; }
+	public Object clone() { 
+		throw new UnsupportedOperationException(); 
+	}
+	
+	public IField findField(String name) {
+		return null; 
+	}
 
 	@Override
 	public boolean mayHaveChildren() {
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPVariable.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPVariable.java
index 78606813fb4..e75897f2db5 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPVariable.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPVariable.java
@@ -13,14 +13,12 @@
 package org.eclipse.cdt.internal.core.pdom.dom.cpp;
 
 import org.eclipse.cdt.core.CCorePlugin;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IASTName;
 import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.core.dom.ast.IType;
 import org.eclipse.cdt.core.dom.ast.IValue;
 import org.eclipse.cdt.core.dom.ast.IVariable;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPVariable;
-import org.eclipse.cdt.internal.core.Util;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPVariableReadWriteFlags;
 import org.eclipse.cdt.internal.core.index.IIndexCPPBindingConstants;
 import org.eclipse.cdt.internal.core.pdom.db.Database;
@@ -45,15 +43,11 @@ class PDOMCPPVariable extends PDOMCPPBinding implements ICPPVariable {
 	public PDOMCPPVariable(PDOMLinkage linkage, PDOMNode parent, IVariable variable) throws CoreException {
 		super(linkage, parent, variable.getNameCharArray());
 		
-		try {
-			// Find the type record
-			Database db = getDB();
-			setType(parent.getLinkage(), variable.getType());
-			db.putByte(record + ANNOTATIONS, encodeFlags(variable));
-			setValue(db, variable);
-		} catch (DOMException e) {
-			throw new CoreException(Util.createStatus(e));
-		}
+		// Find the type record
+		Database db = getDB();
+		setType(parent.getLinkage(), variable.getType());
+		db.putByte(record + ANNOTATIONS, encodeFlags(variable));
+		setValue(db, variable);
 	}
 
 	private void setValue(Database db, IVariable variable) throws CoreException {
@@ -68,16 +62,11 @@ class PDOMCPPVariable extends PDOMCPPBinding implements ICPPVariable {
 			final Database db = getDB();
 			IVariable var= (IVariable) newBinding;
 			long valueRec= db.getRecPtr(record + VALUE_OFFSET);
-			try {
-				IType newType= var.getType();
-				setType(linkage, newType);
-				db.putByte(record + ANNOTATIONS, encodeFlags(var));
-				setValue(db, var);
-				PDOMValue.delete(db, valueRec);
-				
-			} catch (DOMException e) {
-				throw new CoreException(Util.createStatus(e));
-			}
+			IType newType= var.getType();
+			setType(linkage, newType);
+			db.putByte(record + ANNOTATIONS, encodeFlags(var));
+			setValue(db, var);
+			PDOMValue.delete(db, valueRec);
 		}
 	}
 
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHQueries.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHQueries.java
index 4d6ac8493e7..0bbfa8ed39d 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHQueries.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHQueries.java
@@ -19,7 +19,6 @@ import org.eclipse.core.runtime.IProgressMonitor;
 
 import org.eclipse.cdt.core.CCorePlugin;
 import org.eclipse.cdt.core.dom.ILinkage;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IBinding;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPMethod;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPSpecialization;
@@ -79,13 +78,9 @@ public class CHQueries {
 		if (calleeBinding != null) {
 			findCalledBy1(index, calleeBinding, true, project, result);
 			if (calleeBinding instanceof ICPPMethod) {
-				try {
-					IBinding[] overriddenBindings= ClassTypeHelper.findOverridden((ICPPMethod) calleeBinding);
-					for (IBinding overriddenBinding : overriddenBindings) {
-						findCalledBy1(index, overriddenBinding, false, project, result);
-					}
-				} catch (DOMException e) {
-					// index bindings don't throw DOMExceptions
+				IBinding[] overriddenBindings= ClassTypeHelper.findOverridden((ICPPMethod) calleeBinding);
+				for (IBinding overriddenBinding : overriddenBindings) {
+					findCalledBy1(index, overriddenBinding, false, project, result);
 				}
 			}
 		}
@@ -157,18 +152,14 @@ public class CHQueries {
 	 * Searches for overriders of method and converts them to ICElement, returns null, if there are none.
 	 */
 	static ICElement[] findOverriders(IIndex index, ICPPMethod binding)	throws CoreException {
-		try {
-			IBinding[] virtualOverriders= ClassTypeHelper.findOverriders(index, binding);
-			if (virtualOverriders.length > 0) {
-				ArrayList<ICElementHandle> list= new ArrayList<ICElementHandle>();
-				list.addAll(Arrays.asList(IndexUI.findRepresentative(index, binding)));
-				for (IBinding overrider : virtualOverriders) {
-					list.addAll(Arrays.asList(IndexUI.findRepresentative(index, overrider)));
-				}
-				return list.toArray(new ICElement[list.size()]);
+		IBinding[] virtualOverriders= ClassTypeHelper.findOverriders(index, binding);
+		if (virtualOverriders.length > 0) {
+			ArrayList<ICElementHandle> list= new ArrayList<ICElementHandle>();
+			list.addAll(Arrays.asList(IndexUI.findRepresentative(index, binding)));
+			for (IBinding overrider : virtualOverriders) {
+				list.addAll(Arrays.asList(IndexUI.findRepresentative(index, overrider)));
 			}
-		} catch (DOMException e) {
-			// index bindings don't throw DOMExceptions
+			return list.toArray(new ICElement[list.size()]);
 		}
 		return null;
 	}
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/editor/AddIncludeOnSelectionAction.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/editor/AddIncludeOnSelectionAction.java
index fe91d0dd353..70c4b781c64 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/editor/AddIncludeOnSelectionAction.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/editor/AddIncludeOnSelectionAction.java
@@ -48,7 +48,6 @@ import org.eclipse.ui.texteditor.ITextEditor;
 import org.eclipse.ui.texteditor.TextEditorAction;
 
 import org.eclipse.cdt.core.CCorePlugin;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IASTDeclaration;
 import org.eclipse.cdt.core.dom.ast.IASTName;
 import org.eclipse.cdt.core.dom.ast.IASTNodeSelector;
@@ -218,18 +217,14 @@ public class AddIncludeOnSelectionAction extends TextEditorAction {
 		char[] nameChars = name.toCharArray();
 		lookupName[0] = new String(nameChars);
 		IBinding binding = name.resolveBinding();
-		try {
-			if (binding instanceof ICPPVariable) {
-				IType type = ((ICPPVariable) binding).getType();
-				type = SemanticUtil.getNestedType(type,
-						SemanticUtil.ALLCVQ | SemanticUtil.PTR | SemanticUtil.ARRAY | SemanticUtil.REF);
-				if (type instanceof IBinding) {
-					binding = (IBinding) type;
-					nameChars = binding.getNameCharArray();
-				}
+		if (binding instanceof ICPPVariable) {
+			IType type = ((ICPPVariable) binding).getType();
+			type = SemanticUtil.getNestedType(type,
+					SemanticUtil.ALLCVQ | SemanticUtil.PTR | SemanticUtil.ARRAY | SemanticUtil.REF);
+			if (type instanceof IBinding) {
+				binding = (IBinding) type;
+				nameChars = binding.getNameCharArray();
 			}
-		} catch (DOMException e) {
-			CUIPlugin.log(e);
 		}
 		if (nameChars.length == 0) {
 			return;
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/editor/SemanticHighlightings.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/editor/SemanticHighlightings.java
index db6081306b5..e93a9654b38 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/editor/SemanticHighlightings.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/editor/SemanticHighlightings.java
@@ -835,9 +835,7 @@ public class SemanticHighlightings {
 							}
 						} catch (DOMException exc) {
 							CUIPlugin.log(exc);
-						} catch (Error e) /* PDOMNotImplementedError */ {
-							// ignore
-						}
+						} 
 					}
 				}
 			}
@@ -920,9 +918,7 @@ public class SemanticHighlightings {
 							}
 						} catch (DOMException exc) {
 							CUIPlugin.log(exc);
-						} catch (Error e) /* PDOMNotImplementedError */ {
-							// ignore
-						}
+						} 
 					}
 				}
 			}
@@ -1023,9 +1019,7 @@ public class SemanticHighlightings {
 						}
 					} catch (DOMException exc) {
 						CUIPlugin.log(exc);
-					} catch (Error e) /* PDOMNotImplementedError */ {
-						// ignore
-					}
+					} 
 				}
 			}
 			return false;
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/indexview/IndexLabelProvider.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/indexview/IndexLabelProvider.java
index 57037922c4f..492c696d9ca 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/indexview/IndexLabelProvider.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/indexview/IndexLabelProvider.java
@@ -146,11 +146,7 @@ public class IndexLabelProvider extends LabelProvider {
 				 * we don't currently store return types
 				 */
 				if(element instanceof IFunction) {
-					try {
-						result += " "+ASTTypeUtil.getParameterTypeString(((IFunction) element).getType()); //$NON-NLS-1$
-					} catch(DOMException de) {
-						/* NO-OP: just use plain name as label */
-					}
+					result += " "+ASTTypeUtil.getParameterTypeString(((IFunction) element).getType()); //$NON-NLS-1$
 				}
 				
 				return result;
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/extractfunction/ExtractFunctionRefactoring.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/extractfunction/ExtractFunctionRefactoring.java
index cb5b444f06e..71c49852acb 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/extractfunction/ExtractFunctionRefactoring.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/extractfunction/ExtractFunctionRefactoring.java
@@ -22,20 +22,16 @@ import java.util.Vector;
 import org.eclipse.core.resources.IFile;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.CoreException;
-import org.eclipse.core.runtime.ILog;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.IProgressMonitor;
-import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.OperationCanceledException;
 import org.eclipse.core.runtime.Path;
-import org.eclipse.core.runtime.Status;
 import org.eclipse.core.runtime.SubMonitor;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.ltk.core.refactoring.RefactoringDescriptor;
 import org.eclipse.ltk.core.refactoring.RefactoringStatus;
 import org.eclipse.text.edits.TextEditGroup;
 
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IASTBinaryExpression;
 import org.eclipse.cdt.core.dom.ast.IASTComment;
 import org.eclipse.cdt.core.dom.ast.IASTCompoundStatement;
@@ -78,7 +74,6 @@ import org.eclipse.cdt.core.dom.ast.cpp.ICPPMethod;
 import org.eclipse.cdt.core.dom.rewrite.ASTRewrite;
 import org.eclipse.cdt.core.index.IIndex;
 import org.eclipse.cdt.core.model.ICProject;
-import org.eclipse.cdt.ui.CUIPlugin;
 
 import org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPASTBinaryExpression;
@@ -584,56 +579,48 @@ public class ExtractFunctionRefactoring extends CRefactoring {
 		String name = new String(declarator.getName().toCharArray());
 		if (bind instanceof ICPPClassType) {
 			ICPPClassType classBind = (ICPPClassType) bind;
-			try {
-				IField[] fields = classBind.getFields();
-				for (IField field : fields) {
-					if (field.getName().equals(name)) {
-						return true;
-					}
+			IField[] fields = classBind.getFields();
+			for (IField field : fields) {
+				if (field.getName().equals(name)) {
+					return true;
 				}
-				ICPPMethod[] methods = classBind.getAllDeclaredMethods();
-				for (ICPPMethod method : methods) {
-					if (!method.takesVarArgs() && name.equals(method.getName())) {
-						IParameter[] parameters = method.getParameters();
-						if (parameters.length == declarator.getParameters().length) {
-							for (int i = 0; i < parameters.length; i++) {
-								IASTName[] origParameterName = unit
-										.getDeclarationsInAST(parameters[i]);
+			}
+			ICPPMethod[] methods = classBind.getAllDeclaredMethods();
+			for (ICPPMethod method : methods) {
+				if (!method.takesVarArgs() && name.equals(method.getName())) {
+					IParameter[] parameters = method.getParameters();
+					if (parameters.length == declarator.getParameters().length) {
+						for (int i = 0; i < parameters.length; i++) {
+							IASTName[] origParameterName = unit
+									.getDeclarationsInAST(parameters[i]);
 
-								IASTParameterDeclaration origParameter = (IASTParameterDeclaration) origParameterName[0]
-										.getParent().getParent();
-								IASTParameterDeclaration newParameter = declarator
-										.getParameters()[i];
+							IASTParameterDeclaration origParameter = (IASTParameterDeclaration) origParameterName[0]
+									.getParent().getParent();
+							IASTParameterDeclaration newParameter = declarator
+									.getParameters()[i];
 
-								// if not the same break;
-								if (!(equalityChecker.isEquals(origParameter
-										.getDeclSpecifier(), newParameter
-										.getDeclSpecifier()) && ASTHelper
-										.samePointers(origParameter
-												.getDeclarator()
-												.getPointerOperators(),
-												newParameter.getDeclarator()
-														.getPointerOperators(),
-												equalityChecker))) {
-									break;
-								}
+							// if not the same break;
+							if (!(equalityChecker.isEquals(origParameter
+									.getDeclSpecifier(), newParameter
+									.getDeclSpecifier()) && ASTHelper
+									.samePointers(origParameter
+											.getDeclarator()
+											.getPointerOperators(),
+											newParameter.getDeclarator()
+													.getPointerOperators(),
+											equalityChecker))) {
+								break;
+							}
 
-								if (!(i < (parameters.length - 1))) {
-									return true;
-								}
+							if (!(i < (parameters.length - 1))) {
+								return true;
 							}
 						}
-
 					}
-				}
-				return false;
-			} catch (DOMException e) {
-				ILog logger = CUIPlugin.getDefault().getLog();
-				IStatus status = new Status(IStatus.WARNING,
-						CUIPlugin.PLUGIN_ID, IStatus.OK, e.getMessage(), e);
 
-				logger.log(status);
+				}
 			}
+			return false;
 		}
 		return true;
 	}
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/extractfunction/TrailNodeEqualityChecker.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/extractfunction/TrailNodeEqualityChecker.java
index 2a5ae734baf..d60a42478e8 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/extractfunction/TrailNodeEqualityChecker.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/extractfunction/TrailNodeEqualityChecker.java
@@ -18,7 +18,6 @@ import java.util.Map;
 import org.eclipse.core.runtime.Assert;
 import org.eclipse.core.runtime.CoreException;
 
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IASTASMDeclaration;
 import org.eclipse.cdt.core.dom.ast.IASTBinaryExpression;
 import org.eclipse.cdt.core.dom.ast.IASTCompositeTypeSpecifier;
@@ -434,12 +433,9 @@ public class TrailNodeEqualityChecker implements EqualityChecker<IASTNode> {
 	}
 
 	private IType getType(IBinding binding) {
-		try {
-			if (binding instanceof ICPPVariable) {
-				ICPPVariable var = (ICPPVariable) binding;
-				return var.getType();
-			}
-		} catch (DOMException e) {
+		if (binding instanceof ICPPVariable) {
+			ICPPVariable var = (ICPPVariable) binding;
+			return var.getType();
 		}
 		return null;
 	}
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/rename/CRenameMethodProcessor.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/rename/CRenameMethodProcessor.java
index 629cea9ed5c..fa58c0f1e39 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/rename/CRenameMethodProcessor.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/rename/CRenameMethodProcessor.java
@@ -20,7 +20,6 @@ import org.eclipse.core.runtime.OperationCanceledException;
 import org.eclipse.ltk.core.refactoring.RefactoringStatus;
 import org.eclipse.ltk.core.refactoring.participants.CheckConditionsContext;
 
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IASTCompositeTypeSpecifier;
 import org.eclipse.cdt.core.dom.ast.IASTName;
 import org.eclipse.cdt.core.dom.ast.IASTNode;
@@ -113,8 +112,6 @@ public class CRenameMethodProcessor extends CRenameGlobalProcessor {
         		bindings.addAll(Arrays.asList(bs));
         		bs= ClassTypeHelper.findOverriders(getIndex(), m);
         		bindings.addAll(Arrays.asList(bs));
-            } catch (DOMException e) {
-                getAstManager().handleDOMException(argument.getTranslationUnit(), e, status);
             } catch (CoreException e) {
             	status.addError(e.getMessage());
             }
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/utils/NameHelper.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/utils/NameHelper.java
index 9e4999c2b38..7d2b62c897b 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/utils/NameHelper.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/utils/NameHelper.java
@@ -17,7 +17,6 @@ import org.eclipse.core.resources.IFile;
 import org.eclipse.core.runtime.CoreException;
 
 import org.eclipse.cdt.core.dom.ast.ASTTypeUtil;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IASTName;
 import org.eclipse.cdt.core.dom.ast.IASTParameterDeclaration;
 import org.eclipse.cdt.core.dom.ast.IBinding;
@@ -26,7 +25,6 @@ import org.eclipse.cdt.core.dom.ast.IVariable;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTQualifiedName;
 import org.eclipse.cdt.core.parser.Keywords;
 import org.eclipse.cdt.core.parser.util.CharArrayIntMap;
-import org.eclipse.cdt.ui.CUIPlugin;
 
 import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPASTQualifiedName;
 
@@ -144,13 +142,9 @@ public class NameHelper {
 		IASTName name = parameter.getDeclarator().getName();
 		IBinding binding = name.resolveBinding();
 		if (binding instanceof IVariable) {
-			try {
-				IType type = ((IVariable) binding).getType();
-				if (type != null) {
-					return ASTTypeUtil.getType(type);
-				}
-			} catch (DOMException e) {
-				CUIPlugin.log(e);
+			IType type = ((IVariable) binding).getType();
+			if (type != null) {
+				return ASTTypeUtil.getType(type);
 			}
 		}
 		return ""; //$NON-NLS-1$
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/LinkedNamesFinder.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/LinkedNamesFinder.java
index cd4ddfcf4f4..0bbfe23e972 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/LinkedNamesFinder.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/LinkedNamesFinder.java
@@ -99,12 +99,8 @@ public class LinkedNamesFinder {
 				}
 			} else if (target instanceof ICPPMethod) {
 	        	ICPPMethod method= (ICPPMethod) target;
-        		try {
-					for (ICPPMethod m : ClassTypeHelper.findOverridden(method)) {
-						findBinding(m);
-					}
-				} catch (DOMException e) {
-					// Ignore.
+        		for (ICPPMethod m : ClassTypeHelper.findOverridden(method)) {
+					findBinding(m);
 				}
         		try {
 					for (ICPPMethod m : findOverridersInAST(method)) {
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/PDOMSearchQuery.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/PDOMSearchQuery.java
index 2f3318be3e8..caffd9a8622 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/PDOMSearchQuery.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/PDOMSearchQuery.java
@@ -44,7 +44,6 @@ import org.eclipse.ui.texteditor.ITextEditor;
 import org.eclipse.cdt.core.CCorePlugin;
 import org.eclipse.cdt.core.IPositionConverter;
 import org.eclipse.cdt.core.browser.ITypeReference;
-import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IASTFileLocation;
 import org.eclipse.cdt.core.dom.ast.IASTName;
 import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
@@ -330,20 +329,16 @@ public abstract class PDOMSearchQuery implements ISearchQuery {
 
 					if (binding instanceof ICPPMethod) {
 						ICPPMethod m= (ICPPMethod) binding;
-						try {
-							ICPPMethod[] msInBases = ClassTypeHelper.findOverridden(m);
-							if (msInBases.length > 0) {
-								if (polymorphicNames == null) {
-									polymorphicNames= new ArrayList<IIndexName>();
-								}
-								for (ICPPMethod mInBase : msInBases) {
-									if (mInBase != null && handled.add(mInBase)) {
-										createMatches1(index, mInBase, polymorphicNames);
-									}
+						ICPPMethod[] msInBases = ClassTypeHelper.findOverridden(m);
+						if (msInBases.length > 0) {
+							if (polymorphicNames == null) {
+								polymorphicNames= new ArrayList<IIndexName>();
+							}
+							for (ICPPMethod mInBase : msInBases) {
+								if (mInBase != null && handled.add(mInBase)) {
+									createMatches1(index, mInBase, polymorphicNames);
 								}
 							}
-						} catch (DOMException e) {
-							CUIPlugin.log(e);
 						}
 					}
 				}
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/actions/OpenDeclarationsJob.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/actions/OpenDeclarationsJob.java
index 1f2dc556a31..f1ee815d040 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/actions/OpenDeclarationsJob.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/actions/OpenDeclarationsJob.java
@@ -74,7 +74,6 @@ import org.eclipse.cdt.core.model.ILanguage;
 import org.eclipse.cdt.core.model.ISourceRange;
 import org.eclipse.cdt.core.model.ISourceReference;
 import org.eclipse.cdt.core.model.ITranslationUnit;
-import org.eclipse.cdt.internal.ui.viewsupport.CElementLabels;
 import org.eclipse.cdt.core.parser.util.ArrayUtil;
 import org.eclipse.cdt.core.parser.util.CharArrayUtils;
 import org.eclipse.cdt.ui.CUIPlugin;
@@ -93,6 +92,7 @@ import org.eclipse.cdt.internal.core.model.ext.ICElementHandle;
 import org.eclipse.cdt.internal.ui.actions.OpenActionUtil;
 import org.eclipse.cdt.internal.ui.editor.ASTProvider;
 import org.eclipse.cdt.internal.ui.editor.CEditorMessages;
+import org.eclipse.cdt.internal.ui.viewsupport.CElementLabels;
 import org.eclipse.cdt.internal.ui.viewsupport.IndexUI;
 
 class OpenDeclarationsJob extends Job implements ASTRunnable {
@@ -730,27 +730,22 @@ class OpenDeclarationsJob extends Job implements ASTRunnable {
 				// For c++ we can check the number of parameters.
 				if (binding instanceof ICPPFunction) {
 					ICPPFunction f= (ICPPFunction) binding;
-					try {
-						if (f.getRequiredArgumentCount() > funcArgCount) {
+					if (f.getRequiredArgumentCount() > funcArgCount) {
+						iterator.remove();
+						result.add(binding);
+						continue;
+					}
+					if (!f.takesVarArgs() && !f.hasParameterPack()) {
+						final IType[] parameterTypes = f.getType().getParameterTypes();
+						int maxArgs= parameterTypes.length;
+						if (maxArgs == 1 && SemanticUtil.isVoidType(parameterTypes[0])) {
+							maxArgs= 0;
+						}
+						if (maxArgs < funcArgCount) {
 							iterator.remove();
 							result.add(binding);
 							continue;
 						}
-						if (!f.takesVarArgs() && !f.hasParameterPack()) {
-							final IType[] parameterTypes = f.getType().getParameterTypes();
-							int maxArgs= parameterTypes.length;
-							if (maxArgs == 1 && SemanticUtil.isVoidType(parameterTypes[0])) {
-								maxArgs= 0;
-							}
-							if (maxArgs < funcArgCount) {
-								iterator.remove();
-								result.add(binding);
-								continue;
-							}
-						}
-					} catch (DOMException e) {
-						// Ignore problem bindings.
-						continue;
 					}
 				}
 			}
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/c/hover/CSourceHover.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/c/hover/CSourceHover.java
index 68a4aa079dc..f11d5fe1bdf 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/c/hover/CSourceHover.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/c/hover/CSourceHover.java
@@ -389,13 +389,10 @@ public class CSourceHover extends AbstractCEditorTextHover {
 			} else {
 				final boolean expectClosingBrace;
 				IType type= null;
-				try {
-					if (binding instanceof ITypedef) {
-						type= ((ITypedef)binding).getType();
-					} else if (binding instanceof IVariable) {
-						type= ((IVariable)binding).getType();
-					} 
-				} catch (DOMException exc) {
+				if (binding instanceof ITypedef) {
+					type= ((ITypedef)binding).getType();
+				} else if (binding instanceof IVariable) {
+					type= ((IVariable)binding).getType();
 				}
 				expectClosingBrace= type instanceof ICompositeType || type instanceof IEnumeration;
 				final int nameLine= doc.getLineOfOffset(nameOffset);
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/contentassist/DOMCompletionProposalComputer.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/contentassist/DOMCompletionProposalComputer.java
index faf07027c8a..5aa81d6a642 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/contentassist/DOMCompletionProposalComputer.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/contentassist/DOMCompletionProposalComputer.java
@@ -373,47 +373,44 @@ public class DOMCompletionProposalComputer extends ParsingBasedProposalComputer
         StringBuilder idargs = new StringBuilder();   // for the idargString
 		boolean hasArgs = true;
 		String returnTypeStr = null;
-		try {
-			IParameter[] params = function.getParameters();
-			if (params != null) {
-				for (int i = 0; i < params.length; ++i) {
-					IType paramType = params[i].getType();
-					if (i > 0) {
-                        dispargs.append(',');
-                        idargs.append(',');
-                    }
+		IParameter[] params = function.getParameters();
+		if (params != null) {
+			for (int i = 0; i < params.length; ++i) {
+				IType paramType = params[i].getType();
+				if (i > 0) {
+		            dispargs.append(',');
+		            idargs.append(',');
+		        }
 
-					dispargs.append(ASTTypeUtil.getType(paramType, false));
-                    idargs.append(ASTTypeUtil.getType(paramType, false));
-					String paramName = params[i].getName();
-					if (paramName != null && paramName.length() > 0) {
-						dispargs.append(' ');
-						dispargs.append(paramName);
-					}
-				}
-			
-				if (function.takesVarArgs()) {
-					if (params.length > 0) {
-						dispargs.append(',');
-						idargs.append(',');
-					}
-					dispargs.append("..."); //$NON-NLS-1$
-					idargs.append("..."); //$NON-NLS-1$
-				} else if (params.length == 0) { // force the void in
-					dispargs.append("void"); //$NON-NLS-1$
-					idargs.append("void"); //$NON-NLS-1$
+				dispargs.append(ASTTypeUtil.getType(paramType, false));
+		        idargs.append(ASTTypeUtil.getType(paramType, false));
+				String paramName = params[i].getName();
+				if (paramName != null && paramName.length() > 0) {
+					dispargs.append(' ');
+					dispargs.append(paramName);
 				}
 			}
-			IFunctionType functionType = function.getType();
-			if (functionType != null) {
-				IType returnType = functionType.getReturnType();
-				if (returnType != null)
-					returnTypeStr = ASTTypeUtil.getType(returnType, false);
+		
+			if (function.takesVarArgs()) {
+				if (params.length > 0) {
+					dispargs.append(',');
+					idargs.append(',');
+				}
+				dispargs.append("..."); //$NON-NLS-1$
+				idargs.append("..."); //$NON-NLS-1$
+			} else if (params.length == 0) { // force the void in
+				dispargs.append("void"); //$NON-NLS-1$
+				idargs.append("void"); //$NON-NLS-1$
 			}
-
-	        hasArgs = ASTTypeUtil.functionTakesParameters(function);
-		} catch (DOMException e) {
 		}
+		IFunctionType functionType = function.getType();
+		if (functionType != null) {
+			IType returnType = functionType.getReturnType();
+			if (returnType != null)
+				returnTypeStr = ASTTypeUtil.getType(returnType, false);
+		}
+
+		hasArgs = ASTTypeUtil.functionTakesParameters(function);
         
         String dispargString = dispargs.toString();
         String idargString = idargs.toString();
@@ -457,18 +454,14 @@ public class DOMCompletionProposalComputer extends ParsingBasedProposalComputer
 	private void handleVariable(IVariable variable, CContentAssistInvocationContext context,
 			int baseRelevance, List<ICompletionProposal> proposals) {
 		if (context.isContextInformationStyle()) {
-			// Handle the case where a variable is initialized with a constructor
-			try {
-				IType t = variable.getType();
-				t= unwindTypedefs(t);
-				if (t instanceof ICPPClassType) {
-					ICPPClassType classType= (ICPPClassType) t;
-					ICPPConstructor[] constructors = classType.getConstructors();
-					for (ICPPConstructor constructor : constructors) {
-						handleFunction(constructor, context, baseRelevance, proposals);
-					}
+			IType t = variable.getType();
+			t= unwindTypedefs(t);
+			if (t instanceof ICPPClassType) {
+				ICPPClassType classType= (ICPPClassType) t;
+				ICPPConstructor[] constructors = classType.getConstructors();
+				for (ICPPConstructor constructor : constructors) {
+					handleFunction(constructor, context, baseRelevance, proposals);
 				}
-			} catch (DOMException e) {
 			}
 			return;
 		} 
@@ -477,12 +470,9 @@ public class DOMCompletionProposalComputer extends ParsingBasedProposalComputer
 		repStringBuff.append(variable.getName());
 		
 		String returnTypeStr = "<unknown>"; //$NON-NLS-1$
-		try {
-			IType varType = variable.getType();
-			if (varType != null)
-				returnTypeStr = ASTTypeUtil.getType(varType, false);
-		} catch (DOMException e) {
-		}
+		IType varType = variable.getType();
+		if (varType != null)
+			returnTypeStr = ASTTypeUtil.getType(varType, false);
         
         StringBuilder dispStringBuff = new StringBuilder(repStringBuff.toString());
         if (returnTypeStr != null) {