diff --git a/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/signals/SignalsView.java b/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/signals/SignalsView.java
index 4451bee015f..03f651c14a1 100644
--- a/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/signals/SignalsView.java
+++ b/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/signals/SignalsView.java
@@ -19,6 +19,7 @@ import org.eclipse.debug.ui.IDebugUIConstants;
 import org.eclipse.jface.action.IMenuManager;
 import org.eclipse.jface.action.IToolBarManager;
 import org.eclipse.jface.action.Separator;
+import org.eclipse.jface.dialogs.ErrorDialog;
 import org.eclipse.jface.util.IPropertyChangeListener;
 import org.eclipse.jface.util.PropertyChangeEvent;
 import org.eclipse.jface.viewers.IContentProvider;
@@ -98,6 +99,7 @@ public class SignalsView extends AbstractDebugEventHandlerView
 		vv.setContentProvider( new SignalsViewContentProvider() );
 		vv.setLabelProvider( new SignalsViewLabelProvider() );
 		vv.setUseHashlookup( true );
+		vv.setExceptionHandler( this );
 
 		// listen to selection in debug view
 		getSite().getPage().addSelectionListener( IDebugUIConstants.ID_DEBUG_VIEW, this );
@@ -161,6 +163,7 @@ public class SignalsView extends AbstractDebugEventHandlerView
 	 */
 	public void handleException( DebugException e )
 	{
+		ErrorDialog.openError( getSite().getShell(), "Error", e.getMessage(), null );
 	}
 
 	protected void setViewerInput( IStructuredSelection ssel )
diff --git a/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/signals/SignalsViewer.java b/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/signals/SignalsViewer.java
index 1e9f9eea306..11f5bc7ec29 100644
--- a/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/signals/SignalsViewer.java
+++ b/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/signals/SignalsViewer.java
@@ -7,6 +7,7 @@ package org.eclipse.cdt.debug.internal.ui.views.signals;
 
 import org.eclipse.cdt.debug.core.model.ICSignal;
 import org.eclipse.cdt.debug.internal.ui.PixelConverter;
+import org.eclipse.cdt.debug.internal.ui.views.IDebugExceptionHandler;
 import org.eclipse.debug.core.DebugException;
 import org.eclipse.jface.viewers.CellEditor;
 import org.eclipse.jface.viewers.ComboBoxCellEditor;
@@ -36,6 +37,8 @@ public class SignalsViewer extends TableViewer
 	private static final String CP_SUSPEND = "suspend";
 	private static final String CP_DESCRIPTION = "description";
 
+	private IDebugExceptionHandler fExceptionHandler = null;
+
 	/**
 	 * Constructor for SignalsViewer.
 	 * @param parent
@@ -127,9 +130,21 @@ public class SignalsViewer extends TableViewer
 								}
 								catch( DebugException e )
 								{
+									if ( getExceptionHandler() != null )
+										getExceptionHandler().handleException( e );
 								}
 							}
 						}
 					};
 	}
+
+	protected IDebugExceptionHandler getExceptionHandler()
+	{
+		return fExceptionHandler;
+	}
+
+	protected void setExceptionHandler( IDebugExceptionHandler handler )
+	{
+		fExceptionHandler = handler;
+	}
 }