Bug 384715

Description Dheeraj Chahal 2012-07-10 08:07:05 EDT

Build Identifier: Eclipse build level : Eclipse Platform	4.2.0.I20120608-1400,	

Eclipse build level :     Eclipse Platform	4.2.0.I20120608-1400	
PTP build level :    Parallel Tools Platform (PTP) End-User Runtime	6.0.0.201206252139

Client platform  : Windows XP / Windows 7

Server node : x86/P7 Linux (RHEL 6.2)
Application programing language : C
Compiler used : mpcc




Reproducible: Always

Steps to Reproduce:
Steps :
1. Create a synchronized c/c++ project.
2. Build project.
3. Debug binary using debug configuration.
4. New window pops up with error message: 

   An internal error has occurred.
   java.lang.NullPointerException

5. If we accept this error mesage by clicking OK, we can proceed with SDM debugger and set the break points, do stepping etc, 
until the program exits normally.



The Error log mentioned in step 4 is as below:

java.lang.NullPointerException
	at org.eclipse.jface.viewers.TreeViewer.getParentElement(TreeViewer.java:602)
	at org.eclipse.jface.viewers.AbstractTreeViewer.internalExpand(AbstractTreeViewer.java:1641)
	at org.eclipse.jface.viewers.AbstractTreeViewer.setExpandedState(AbstractTreeViewer.java:2497)
	at org.eclipse.ptp.debug.ui.views.ParallelDebugView$3.runInUIThread(ParallelDebugView.java:594)
	at org.eclipse.ui.progress.UIJob$1.run(UIJob.java:95)
	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4144)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3761)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1022)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:916)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:86)
	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:585)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:540)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:353)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1438)