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While editing a JSP by selecting a method from the auto-complete box, Eclipse crashes with the following stack trace in the log. Reproducible: Yes -- Configuration Details -- Product: Eclipse 1.3.1.20100913-1228 (org.eclipse.epp.package.jee.product) Installed Features: org.eclipse.jdt 3.6.1.r361_v20100714-0800-7z8XFUSFLFlmgLc5z-Bvrt8-HVkH !SESSION 2010-10-07 09:11:48.891 ----------------------------------------------- eclipse.buildId=I20100608-0911 java.version=1.6.0_20 java.vendor=Sun Microsystems Inc. BootLoader constants: OS=linux, ARCH=x86, WS=gtk, NL=en_GB Framework arguments: -product org.eclipse.epp.package.jee.product Command-line arguments: -os linux -ws gtk -arch x86 -product org.eclipse.epp.package.jee.product This is a continuation of log file /mfdata/Applications/Eclipse/workspace_trunk/.metadata/.bak_2.log Created Time: 2010-10-07 09:12:34.874 !ENTRY org.eclipse.core.resources 4 566 2010-10-07 09:12:34.874 !MESSAGE An error occurred while traversing resources. !STACK 0 java.lang.NullPointerException at org.eclipse.jst.jsp.core.taglib.ProjectDescription.updateJAR(ProjectDescription.java:2267) at org.eclipse.jst.jsp.core.taglib.ProjectDescription$Indexer.visit(ProjectDescription.java:217) at org.eclipse.core.internal.resources.Resource$1.visitElement(Resource.java:64) at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:82) at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86) at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86) at org.eclipse.core.internal.watson.ElementTreeIterator.iterate(ElementTreeIterator.java:127) at org.eclipse.core.internal.resources.Resource.accept(Resource.java:74) at org.eclipse.jst.jsp.core.taglib.ProjectDescription.index(ProjectDescription.java:1417) at org.eclipse.jst.jsp.core.taglib.ProjectDescription.restoreReferences(ProjectDescription.java:1906) at org.eclipse.jst.jsp.core.taglib.ProjectDescription.<init>(ProjectDescription.java:670) at org.eclipse.jst.jsp.core.taglib.TaglibIndex.createDescription(TaglibIndex.java:757) at org.eclipse.jst.jsp.core.taglib.ProjectDescription.addBuildPathReferences(ProjectDescription.java:722) at org.eclipse.jst.jsp.core.taglib.ProjectDescription.addBuildPathReferences(ProjectDescription.java:723) at org.eclipse.jst.jsp.core.taglib.ProjectDescription.addBuildPathReferences(ProjectDescription.java:723) at org.eclipse.jst.jsp.core.taglib.ProjectDescription.resolve(ProjectDescription.java:1832) at org.eclipse.jst.jsp.core.taglib.TaglibIndex.internalResolve(TaglibIndex.java:938) at org.eclipse.jst.jsp.core.taglib.TaglibIndex.resolve(TaglibIndex.java:578) at org.eclipse.jst.jsp.core.internal.contentmodel.tld.TLDCMDocumentManager.getModificationStamp(TLDCMDocumentManager.java:765) at org.eclipse.jst.jsp.core.internal.contentmodel.tld.TLDCMDocumentManager.getCMDocument(TLDCMDocumentManager.java:753) at org.eclipse.jst.jsp.core.internal.contentmodel.tld.TLDCMDocumentManager$DirectiveStructuredDocumentRegionHandler.enableTags(TLDCMDocumentManager.java:121) at org.eclipse.jst.jsp.core.internal.contentmodel.tld.TLDCMDocumentManager$DirectiveStructuredDocumentRegionHandler.enableTaglibFromURI(TLDCMDocumentManager.java:111) at org.eclipse.jst.jsp.core.internal.contentmodel.tld.TLDCMDocumentManager$DirectiveStructuredDocumentRegionHandler.processTaglib(TLDCMDocumentManager.java:404) at org.eclipse.jst.jsp.core.internal.contentmodel.tld.TLDCMDocumentManager$DirectiveStructuredDocumentRegionHandler.processRegionCollection(TLDCMDocumentManager.java:175) at org.eclipse.jst.jsp.core.internal.contentmodel.tld.TLDCMDocumentManager$DirectiveStructuredDocumentRegionHandler.nodeParsed(TLDCMDocumentManager.java:191) at org.eclipse.wst.xml.core.internal.parser.XMLSourceParser.fireNodeParsed(XMLSourceParser.java:135) at org.eclipse.jst.jsp.core.internal.parser.JSPSourceParser.parseNodes(JSPSourceParser.java:296) at org.eclipse.wst.xml.core.internal.parser.XMLSourceParser.getDocumentRegions(XMLSourceParser.java:173) at org.eclipse.wst.sse.core.internal.text.StructuredDocumentReParser._core_reparse_text(StructuredDocumentReParser.java:310) at org.eclipse.wst.sse.core.internal.text.StructuredDocumentReParser.core_reparse(StructuredDocumentReParser.java:710) at org.eclipse.jst.jsp.core.internal.parser.JSPReParser.reparse(JSPReParser.java:143) at org.eclipse.wst.sse.core.internal.text.StructuredDocumentReParser.reparse(StructuredDocumentReParser.java:1291) at org.eclipse.wst.sse.core.internal.text.BasicStructuredDocument.updateModel(BasicStructuredDocument.java:2709) at org.eclipse.wst.sse.core.internal.text.BasicStructuredDocument.internalReplaceText(BasicStructuredDocument.java:1923) at org.eclipse.wst.sse.core.internal.text.BasicStructuredDocument.replaceText(BasicStructuredDocument.java:2419) at org.eclipse.wst.sse.core.internal.text.BasicStructuredDocument.set(BasicStructuredDocument.java:2931) at org.eclipse.core.internal.filebuffers.ResourceTextFileBuffer.setDocumentContent(ResourceTextFileBuffer.java:575) at org.eclipse.core.internal.filebuffers.ResourceTextFileBuffer.initializeFileBufferContent(ResourceTextFileBuffer.java:286) at org.eclipse.core.internal.filebuffers.ResourceFileBuffer.create(ResourceFileBuffer.java:245) at org.eclipse.core.internal.filebuffers.TextFileBufferManager.connect(TextFileBufferManager.java:112) at org.eclipse.ui.editors.text.TextFileDocumentProvider.createFileInfo(TextFileDocumentProvider.java:559) at org.eclipse.ui.editors.text.TextFileDocumentProvider.connect(TextFileDocumentProvider.java:478) at org.eclipse.ui.texteditor.AbstractTextEditor.doSetInput(AbstractTextEditor.java:4050) at org.eclipse.ui.texteditor.StatusTextEditor.doSetInput(StatusTextEditor.java:217) at org.eclipse.ui.texteditor.AbstractDecoratedTextEditor.doSetInput(AbstractDecoratedTextEditor.java:1444) at org.eclipse.ui.editors.text.TextEditor.doSetInput(TextEditor.java:169) at org.eclipse.wst.sse.ui.StructuredTextEditor.doSetInput(StructuredTextEditor.java:1849) at org.eclipse.ui.texteditor.AbstractTextEditor$19.run(AbstractTextEditor.java:3037) at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:464) at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:372) at org.eclipse.jface.window.ApplicationWindow$1.run(ApplicationWindow.java:759) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.jface.window.ApplicationWindow.run(ApplicationWindow.java:756) at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:2600) at org.eclipse.ui.texteditor.AbstractTextEditor.internalInit(AbstractTextEditor.java:3055) at org.eclipse.ui.texteditor.AbstractTextEditor.init(AbstractTextEditor.java:3082) at org.eclipse.wst.sse.ui.StructuredTextEditor.init(StructuredTextEditor.java:2492) at org.eclipse.ui.internal.EditorManager.createSite(EditorManager.java:798) at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:647) at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:465) at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595) at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:313) at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:180) at org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:270) at org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65) at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:473) at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1254) at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1207) at org.eclipse.ui.internal.PartStack.presentationSelectionChanged(PartStack.java:841) at org.eclipse.ui.internal.PartStack.access$1(PartStack.java:827) at org.eclipse.ui.internal.PartStack$1.selectPart(PartStack.java:137) at org.eclipse.ui.internal.presentations.BasicPartList.gotoSelectedElement(BasicPartList.java:326) at org.eclipse.ui.internal.presentations.AbstractTableInformationControl$4.mouseUp(AbstractTableInformationControl.java:323) 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)
Found this to be a problem with xulrunner version being 1.9.1.9 on Ubuntu 10.04. Once updated to 1.9.2.8, Eclipse no longer crashes. *** This bug has been marked as a duplicate of bug 303372 ***
