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Bug 341146

Summary: NPE while xml editor is in background
Product: [WebTools] WTP Source Editing Reporter: Benjamin Muskalla <b.muskalla>
Component: wst.xmlAssignee: wst.xml <wst.xml-inbox>
Status: CLOSED DUPLICATE QA Contact: Nitin Dahyabhai <thatnitind>
Severity: normal    
Priority: P3 CC: nsand.dev
Version: unspecified   
Target Milestone: ---   
Hardware: PC   
OS: Linux   
Whiteboard:

Description Benjamin Muskalla CLA 2011-03-28 13:56:16 EDT
What steps will reproduce the problem?
1. Had some xml editors open
2. Was navigating between Java classes with F3, xml editors were hidden in the editor list
3. NPE happend


-- Error Details --
Date: Fri Feb 18 12:21:40 CET 2011
Message: Problems occurred when invoking code from plug-in: "org.eclipse.ui.workbench".
Severity: Error
Product: Eclipse SDK 3.7.0.v201008051700 (org.eclipse.sdk.ide)
Plugin: org.eclipse.ui.workbench
Session Data:
eclipse.buildId=I20100805-1700
java.version=1.6.0_22
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=linux, ARCH=x86, WS=gtk, NL=en_US
Command-line arguments:  -os linux -ws gtk -arch x86

This is a continuation of log file /projects/tasktop/.metadata/.bak_1.log
Created Time: 2011-02-18 11:16:51.582


Exception Stack Trace:
java.lang.NullPointerException
at org.eclipse.wst.xml.ui.internal.tabletree.XMLMultiPageEditorPart.getDocument(XMLMultiPageEditorPart.java:897)
at org.eclipse.wst.xml.ui.internal.tabletree.XMLMultiPageEditorPart.access$0(XMLMultiPageEditorPart.java:894)
at org.eclipse.wst.xml.ui.internal.tabletree.XMLMultiPageEditorPart$ActivationListener.partOpened(XMLMultiPageEditorPart.java:164)
at org.eclipse.ui.internal.PartListenerList$5.run(PartListenerList.java:132)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.runtime.Platform.run(Platform.java:888)
at org.eclipse.ui.internal.PartListenerList.fireEvent(PartListenerList.java:57)
at org.eclipse.ui.internal.PartListenerList.firePartOpened(PartListenerList.java:130)
at org.eclipse.ui.internal.PartService.firePartOpened(PartService.java:276)
at org.eclipse.ui.internal.WWinPartService$WWinListener.partOpened(WWinPartService.java:54)
at org.eclipse.ui.internal.PartListenerList2$5.run(PartListenerList2.java:130)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.runtime.Platform.run(Platform.java:888)
at org.eclipse.ui.internal.PartListenerList2.fireEvent(PartListenerList2.java:55)
at org.eclipse.ui.internal.PartListenerList2.firePartOpened(PartListenerList2.java:128)
at org.eclipse.ui.internal.PartService.firePartOpened(PartService.java:280)
at org.eclipse.ui.internal.WorkbenchPagePartList.firePartOpened(WorkbenchPagePartList.java:35)
at org.eclipse.ui.internal.PartList.partOpened(PartList.java:241)
at org.eclipse.ui.internal.PartList.access$0(PartList.java:210)
at org.eclipse.ui.internal.PartList$1.propertyChanged(PartList.java:40)
at org.eclipse.ui.internal.WorkbenchPartReference.fireInternalPropertyChange(WorkbenchPartReference.java:375)
at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:610)
at org.eclipse.ui.internal.EditorReference.getEditor(EditorReference.java:289)
at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2863)
at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2768)
at org.eclipse.ui.internal.WorkbenchPage.access$11(WorkbenchPage.java:2760)
at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2711)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2707)
at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2691)
at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2682)
at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:378)
at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:178)
at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:219)
at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:198)
at org.eclipse.jdt.internal.ui.javaeditor.JavaElementHyperlink.open(JavaElementHyperlink.java:74)
at org.eclipse.jface.text.hyperlink.HyperlinkManager.mouseUp(HyperlinkManager.java:429)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:213)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3552)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3171)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2629)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2593)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2427)
at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:670)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:663)
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:619)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)
at org.eclipse.equinox.launcher.Main.run(Main.java:1407)
Comment 1 Nick Sandonato CLA 2011-03-28 14:32:11 EDT
Thanks for the bug report. Should be addressed for Indigo by Bug 339622.

*** This bug has been marked as a duplicate of bug 339622 ***