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Bug 350854

Summary:	Content Assist keeps crashing.
Product:	[Eclipse Project] JDT	Reporter:	Steven Wheeler <swheeler>
Component:	Core	Assignee:	Ayushman Jain <amj87.iitr>
Status:	VERIFIED DUPLICATE	QA Contact:
Severity:	normal
Priority:	P3	CC:	Olivier_Thomann, srikanth_sankaran
Version:	3.7
Target Milestone:	3.6.1
Hardware:	PC
OS:	Windows 7
Whiteboard:

Description Steven Wheeler

2011-06-30 11:31:56 EDT

I am constantly seeing this message in the logs and content assist keeps crashing.  Let me know if you need any more details


!ENTRY org.eclipse.ui 4 4 2011-06-30 10:20:40.899
!MESSAGE "Content Assist" did not complete normally.  Please see the log for more information.

!ENTRY org.eclipse.ui 4 0 2011-06-30 10:20:40.901
!MESSAGE -1
!STACK 0
java.lang.ArrayIndexOutOfBoundsException: -1
	at org.eclipse.jdt.core.compiler.CharOperation.indexOf(CharOperation.java:2126)
	at org.eclipse.jdt.core.compiler.CharOperation.indexOf(CharOperation.java:2063)
	at org.eclipse.jdt.internal.core.JavadocContents.computeChildrenSections(JavadocContents.java:213)
	at org.eclipse.jdt.internal.core.JavadocContents.computeMethodRange(JavadocContents.java:300)
	at org.eclipse.jdt.internal.core.JavadocContents.getMethodDoc(JavadocContents.java:126)
	at org.eclipse.jdt.internal.core.BinaryMethod.getParameterNames(BinaryMethod.java:254)
	at org.eclipse.jdt.internal.codeassist.InternalCompletionProposal.findMethodParameterNames(InternalCompletionProposal.java:317)
	at org.eclipse.jdt.internal.codeassist.InternalCompletionProposal.findParameterNames(InternalCompletionProposal.java:1416)
	at org.eclipse.jdt.ui.text.java.CompletionProposalLabelProvider.appendUnboundedParameterList(CompletionProposalLabelProvider.java:112)
	at org.eclipse.jdt.ui.text.java.CompletionProposalLabelProvider.createMethodProposalLabel(CompletionProposalLabelProvider.java:271)
	at org.eclipse.jdt.ui.text.java.CompletionProposalLabelProvider.createStyledLabel(CompletionProposalLabelProvider.java:561)
	at org.eclipse.jdt.internal.ui.text.java.LazyJavaCompletionProposal.computeDisplayString(LazyJavaCompletionProposal.java:247)
	at org.eclipse.jdt.internal.ui.text.java.LazyJavaCompletionProposal.getStyledDisplayString(LazyJavaCompletionProposal.java:226)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.handleSetData(CompletionProposalPopup.java:829)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.access$24(CompletionProposalPopup.java:819)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup$3.handleEvent(CompletionProposalPopup.java:583)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1077)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1062)
	at org.eclipse.swt.widgets.Table.checkData(Table.java:1166)
	at org.eclipse.swt.widgets.Table.wmNotifyChild(Table.java:6595)
	at org.eclipse.swt.widgets.Control.wmNotify(Control.java:5096)
	at org.eclipse.swt.widgets.Composite.wmNotify(Composite.java:1887)
	at org.eclipse.swt.widgets.Control.WM_NOTIFY(Control.java:4726)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4215)
	at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:341)
	at org.eclipse.swt.widgets.Decorations.windowProc(Decorations.java:1598)
	at org.eclipse.swt.widgets.Shell.windowProc(Shell.java:2038)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4886)
	at org.eclipse.swt.internal.win32.OS.CallWindowProcW(Native Method)
	at org.eclipse.swt.internal.win32.OS.CallWindowProc(OS.java:2362)
	at org.eclipse.swt.widgets.Table.callWindowProc(Table.java:564)
	at org.eclipse.swt.widgets.Table.callWindowProc(Table.java:430)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4251)
	at org.eclipse.swt.widgets.Table.windowProc(Table.java:5779)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4873)
	at org.eclipse.swt.internal.win32.OS.CallWindowProcW(Native Method)
	at org.eclipse.swt.internal.win32.OS.CallWindowProc(OS.java:2362)
	at org.eclipse.swt.widgets.Table.callWindowProc(Table.java:564)
	at org.eclipse.swt.widgets.Table.callWindowProc(Table.java:430)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4251)
	at org.eclipse.swt.widgets.Table.windowProc(Table.java:5779)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4873)
	at org.eclipse.swt.internal.win32.OS.CallWindowProcW(Native Method)
	at org.eclipse.swt.internal.win32.OS.CallWindowProc(OS.java:2362)
	at org.eclipse.swt.widgets.Table.callWindowProc(Table.java:564)
	at org.eclipse.swt.widgets.Table.callWindowProc(Table.java:430)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4251)
	at org.eclipse.swt.widgets.Table.windowProc(Table.java:5779)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4873)
	at org.eclipse.swt.internal.win32.OS.SendMessageW(Native Method)
	at org.eclipse.swt.internal.win32.OS.SendMessage(OS.java:3156)
	at org.eclipse.swt.widgets.Table.setItemCount(Table.java:4612)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.setProposals(CompletionProposalPopup.java:1109)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.handleRepeatedInvocation(CompletionProposalPopup.java:542)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.showProposals(CompletionProposalPopup.java:506)
	at org.eclipse.jface.text.contentassist.ContentAssistant.showPossibleCompletions(ContentAssistant.java:1660)
	at org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor$AdaptedSourceViewer.doOperation(CompilationUnitEditor.java:182)
	at org.eclipse.ui.texteditor.ContentAssistAction$1.run(ContentAssistAction.java:82)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.ui.texteditor.ContentAssistAction.run(ContentAssistAction.java:80)
	at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)
	at org.eclipse.ui.commands.ActionHandler.execute(ActionHandler.java:185)
	at org.eclipse.ui.internal.handlers.LegacyHandlerWrapper.execute(LegacyHandlerWrapper.java:109)
	at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476)
	at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)
	at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:169)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeCommand(WorkbenchKeyboard.java:468)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(WorkbenchKeyboard.java:786)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(WorkbenchKeyboard.java:885)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.filterKeySequenceBindings(WorkbenchKeyboard.java:567)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.access$3(WorkbenchKeyboard.java:508)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard$KeyDownFilter.handleEvent(WorkbenchKeyboard.java:123)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1253)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1052)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1077)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1062)
	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1103)
	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1099)
	at org.eclipse.swt.widgets.Widget.wmChar(Widget.java:1508)
	at org.eclipse.swt.widgets.Control.WM_CHAR(Control.java:4268)
	at org.eclipse.swt.widgets.Canvas.WM_CHAR(Canvas.java:345)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4160)
	at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:341)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4873)
	at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
	at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:2459)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3655)
	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(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:619)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1407)


-- Configuration Details --
Product: Eclipse 1.3.0.20100617-0520 (org.eclipse.epp.package.java.product)
Installed Features:
 org.eclipse.platform 3.6.0.v20100602-9gF78GpqFt6trOGhL60z0oEx3fz-JKNwxPY

Comment 1 Olivier Thomann

2011-06-30 13:32:44 EDT

Please provide the org.eclipse.jdt.core bundle id.
You can get it from Help>About Eclipse SDK>Installation Details>Plug-ins.

Also provide a reproducable test case in which you get this issue.
Thanks.

Comment 2 Ayushman Jain

2011-06-30 13:36:23 EDT

This has been fixed in bug 320167. Please use a newer build and you won't see this crash.

*** This bug has been marked as a duplicate of bug 320167 ***

Comment 3 Steven Wheeler

2011-06-30 13:47:03 EDT

I will download the new version and give it a shot.  Thanks for the quick responses.

Comment 4 Srikanth Sankaran

2011-08-25 04:57:46 EDT

Verified for 3.7.1 RC2