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I opened a compare editor for some existing difference and suddently I started to get this NPE. I had to close Eclipse as I was constantly getting it. I am using I20110110-1454 (4.1 I-build). !ENTRY org.eclipse.e4.ui.workbench 4 0 2011-01-14 12:38:05.113 !MESSAGE Internal Error !STACK 0 java.lang.NullPointerException at org.eclipse.compare.contentmergeviewer.ContentMergeViewer$ContentMergeViewerLayout.layout(ContentMergeViewer.java:121) at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1262) at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1269) at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1269) at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1269) at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1269) at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1269) at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1269) at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1269) at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1269) at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1269) at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1269) at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1269) at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1248) at org.eclipse.swt.widgets.Composite.setLayoutDeferred(Composite.java:1085) at org.eclipse.swt.widgets.Display.runDeferredLayouts(Display.java:4108) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3668) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$6.run(PartRenderingEngine.java:808) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:724) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:89) at org.eclipse.ui.internal.Workbench$3.run(Workbench.java:534) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:516) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115) 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:369) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577) at org.eclipse.equinox.launcher.Main.run(Main.java:1410) at org.eclipse.equinox.launcher.Main.main(Main.java:1386)
Olivier, do you have a set of reproducible steps?
Not really. Now that the code has been released for the copyrights updated, it is difficult to reproduce.
*** This bug has been marked as a duplicate of bug 348429 ***
