From 2f616ee3bc7b96cad24f205845f0ed7b0f29f45b Mon Sep 17 00:00:00 2001
From: Pawel Piech <pawel.piech@windriver.com>
Date: Wed, 20 Feb 2008 17:34:54 +0000
Subject: [PATCH] [219630] Fixed an NPE due to a null IStack service.

---
 .../dd/dsf/debug/ui/viewmodel/launch/StackFramesVMNode.java     | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/plugins/org.eclipse.dd.dsf.debug.ui/src/org/eclipse/dd/dsf/debug/ui/viewmodel/launch/StackFramesVMNode.java b/plugins/org.eclipse.dd.dsf.debug.ui/src/org/eclipse/dd/dsf/debug/ui/viewmodel/launch/StackFramesVMNode.java
index 0a73e96939f..9ffd46cff9e 100644
--- a/plugins/org.eclipse.dd.dsf.debug.ui/src/org/eclipse/dd/dsf/debug/ui/viewmodel/launch/StackFramesVMNode.java
+++ b/plugins/org.eclipse.dd.dsf.debug.ui/src/org/eclipse/dd/dsf/debug/ui/viewmodel/launch/StackFramesVMNode.java
@@ -122,6 +122,8 @@ public class StackFramesVMNode extends AbstractDMVMNode
         try {
             getSession().getExecutor().execute(new DsfRunnable() {
                 public void run() {
+                    if (!checkService(IStack.class, null, update)) return;
+
                     getServicesTracker().getService(IStack.class).getTopFrame(
                         execDmc, 
                         new DataRequestMonitor<IFrameDMContext>(getExecutor(), null) {