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

[Jesper Skov]

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

"Re: Occasional NPE"

To view the discussion, visit: https://community.jboss.org/message/807432#807432

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More stack traces from 4.1.0.alpha2 nightly B6241 and Kepler M6 below.

This happened while making changes to an XML file with a custom editor. The changes were not yet saved when I got the exception.

{noformat}
!ENTRY org.jboss.tools.common 4 0 2013-04-10 14:30:31.348
!MESSAGE 
!STACK 0
org.jboss.tools.common.validation.JBTValidationException
    at org.jboss.tools.common.validation.AsYouTypeValidatorManager.validate(AsYouTypeValidatorManager.java:188)
    at org.jboss.tools.common.validation.AsYouTypeValidatorManager.validateString(AsYouTypeValidatorManager.java:209)
    at org.jboss.tools.common.validation.AsYouTypeValidatorManager.validateString(AsYouTypeValidatorManager.java:200)
    at org.jboss.tools.common.validation.java.JavaDirtyRegionProcessor.endProcessing(JavaDirtyRegionProcessor.java:498)
    at org.eclipse.wst.sse.ui.internal.reconcile.DirtyRegionProcessor$BackgroundThread.run(DirtyRegionProcessor.java:697)
Caused by: java.lang.NullPointerException
    at org.jboss.tools.jst.web.kb.internal.validation.ELValidator.validate(ELValidator.java:254)
    at org.jboss.tools.common.validation.AsYouTypeValidatorManager.validate(AsYouTypeValidatorManager.java:183)
    ... 4 more

!ENTRY org.jboss.tools.common 4 0 2013-04-10 14:30:33.854
!MESSAGE 
!STACK 0
org.jboss.tools.common.validation.JBTValidationException
    at org.jboss.tools.common.validation.AsYouTypeValidatorManager.validate(AsYouTypeValidatorManager.java:188)
    at org.jboss.tools.common.validation.AsYouTypeValidatorManager.validateString(AsYouTypeValidatorManager.java:209)
    at org.jboss.tools.common.validation.AsYouTypeValidatorManager.validateString(AsYouTypeValidatorManager.java:200)
    at org.jboss.tools.common.validation.java.JavaDirtyRegionProcessor.endProcessing(JavaDirtyRegionProcessor.java:498)
    at org.eclipse.wst.sse.ui.internal.reconcile.DirtyRegionProcessor$BackgroundThread.run(DirtyRegionProcessor.java:697)
Caused by: java.lang.NullPointerException
    at org.jboss.tools.jst.web.kb.internal.validation.ELValidator.validate(ELValidator.java:254)
    at org.jboss.tools.common.validation.AsYouTypeValidatorManager.validate(AsYouTypeValidatorManager.java:183)
    ... 4 more

!ENTRY org.jboss.tools.common 4 0 2013-04-10 14:30:55.478
!MESSAGE 
!STACK 0
org.jboss.tools.common.validation.JBTValidationException
    at org.jboss.tools.common.validation.AsYouTypeValidatorManager.validate(AsYouTypeValidatorManager.java:188)
    at org.jboss.tools.common.validation.AsYouTypeValidatorManager.validateString(AsYouTypeValidatorManager.java:209)
    at org.jboss.tools.common.validation.AsYouTypeValidatorManager.validateString(AsYouTypeValidatorManager.java:200)
    at org.jboss.tools.common.validation.java.JavaDirtyRegionProcessor.endProcessing(JavaDirtyRegionProcessor.java:498)
    at org.eclipse.wst.sse.ui.internal.reconcile.DirtyRegionProcessor$BackgroundThread.run(DirtyRegionProcessor.java:697)
Caused by: java.lang.NullPointerException
    at org.jboss.tools.jst.web.kb.internal.validation.ELValidator.validate(ELValidator.java:254)
    at org.jboss.tools.common.validation.AsYouTypeValidatorManager.validate(AsYouTypeValidatorManager.java:183)
    ... 4 more

!ENTRY org.jboss.tools.common 4 0 2013-04-10 14:31:09.531
!MESSAGE 
!STACK 0
org.jboss.tools.common.validation.JBTValidationException
    at org.jboss.tools.common.validation.AsYouTypeValidatorManager.validate(AsYouTypeValidatorManager.java:188)
    at org.jboss.tools.common.validation.AsYouTypeValidatorManager.validateString(AsYouTypeValidatorManager.java:209)
    at org.jboss.tools.common.validation.AsYouTypeValidatorManager.validateString(AsYouTypeValidatorManager.java:200)
    at org.jboss.tools.common.validation.java.JavaDirtyRegionProcessor.endProcessing(JavaDirtyRegionProcessor.java:498)
    at org.eclipse.wst.sse.ui.internal.reconcile.DirtyRegionProcessor$BackgroundThread.run(DirtyRegionProcessor.java:697)
Caused by: java.lang.NullPointerException
    at org.jboss.tools.jst.web.kb.internal.validation.ELValidator.validate(ELValidator.java:254)
    at org.jboss.tools.common.validation.AsYouTypeValidatorManager.validate(AsYouTypeValidatorManager.java:183)
    ... 4 more

!ENTRY org.jboss.tools.common 4 0 2013-04-10 14:31:12.537
!MESSAGE 
!STACK 0
org.jboss.tools.common.validation.JBTValidationException
    at org.jboss.tools.common.validation.AsYouTypeValidatorManager.validate(AsYouTypeValidatorManager.java:188)
    at org.jboss.tools.common.validation.AsYouTypeValidatorManager.validateString(AsYouTypeValidatorManager.java:209)
    at org.jboss.tools.common.validation.AsYouTypeValidatorManager.validateString(AsYouTypeValidatorManager.java:200)
    at org.jboss.tools.common.validation.java.JavaDirtyRegionProcessor.endProcessing(JavaDirtyRegionProcessor.java:498)
    at org.eclipse.wst.sse.ui.internal.reconcile.DirtyRegionProcessor$BackgroundThread.run(DirtyRegionProcessor.java:697)
Caused by: java.lang.NullPointerException
    at org.jboss.tools.jst.web.kb.internal.validation.ELValidator.validate(ELValidator.java:254)
    at org.jboss.tools.common.validation.AsYouTypeValidatorManager.validate(AsYouTypeValidatorManager.java:183)
    ... 4 more

!ENTRY org.eclipse.ui 4 4 2013-04-10 14:33:13.372
!MESSAGE An internal error has occurred.
!STACK 0
java.lang.NullPointerException
    at org.jboss.tools.common.validation.TempMarkerManager$1.runInUIThread(TempMarkerManager.java:271)
    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(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:601)
    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)
{noformat}
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