[jboss-user] [JBoss Tools] - Occasional NPE

[Jesper Skov]

Jesper Skov [https://community.jboss.org/people/jskovjyskebankdk] created the discussion

"Occasional NPE"

To view the discussion, visit: https://community.jboss.org/message/807352#807352

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We get the occasional NPE in 4.0.0.Final:


Stacktrace:
 !ENTRY org.eclipse.ui 4 4 2013-04-10 08:41:59.264
 !MESSAGE An internal error has occurred.
 !STACK 0
 java.lang.NullPointerException
 at org.jboss.tools.common.validation.TempMarkerManager$1.runInUIThread(TempMarkerManager.java:270)
 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:4145)
 at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3762)
 at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1108)
 at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
 at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:992)
 at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:137)
 at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:600)
 at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
 at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:555)
 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:354)
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181)
 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:636)
 at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591)
 at org.eclipse.equinox.launcher.Main.run(Main.java:1450)
 at org.eclipse.equinox.launcher.Main.main(Main.java:1426)


This is with Kepler M6, so it may be a side effect of it not being entirely compatible?


It happens while editing in a Team comparison view.

A modal error dialog shows up with a message like "'As-you-type JBT validation. Disabling the marker annotations' has encountered a problem."

I only have this from a single developer, but I'll see if I can reproduce in the 4.1.0b2 nightly we are using now.
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