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Bug 369662

Summary: Deadlock on ASTProvider.getAST (reopen bug 322914)
Product: [Eclipse Project] JDT Reporter: arnaud Mising name <amasson>
Component: TextAssignee: JDT-Text-Inbox <jdt-text-inbox>
Status: CLOSED DUPLICATE QA Contact:
Severity: normal    
Priority: P3 CC: daniel_megert, satyam.kandula
Version: 3.8   
Target Milestone: ---   
Hardware: PC   
OS: Windows 7   
See Also: https://bugs.eclipse.org/bugs/show_bug.cgi?id=322914
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Description arnaud Mising name CLA 2012-01-25 08:39:33 EST 
Build Identifier: Build id: 20110916-0149 (Eclipse 3.7.1)

I get random deadlocks on 3.7.1 with this stacktrace:

"main" prio=6 tid=0x0039a000 nid=0x488 in Object.wait() [0x0018e000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java:503)
	at org.eclipse.jdt.internal.ui.javaeditor.ASTProvider.getAST(ASTProvider.java:457)
	- locked <0x1bdba2a0> (a java.lang.Object)
	at org.eclipse.jdt.ui.SharedASTProvider.getAST(SharedASTProvider.java:128)
	at org.eclipse.jdt.internal.ui.javaeditor.ClipboardOperationAction.getClipboardData(ClipboardOperationAction.java:449)
	at org.eclipse.jdt.internal.ui.javaeditor.ClipboardOperationAction.doCutCopyWithImportsOperation(ClipboardOperationAction.java:376)
	at org.eclipse.jdt.internal.ui.javaeditor.ClipboardOperationAction.internalDoOperation(ClipboardOperationAction.java:330)
	at org.eclipse.jdt.internal.ui.javaeditor.ClipboardOperationAction$1.run(ClipboardOperationAction.java:278)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.jdt.internal.ui.javaeditor.ClipboardOperationAction.run(ClipboardOperationAction.java:276)
	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:1262)
	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:1104)
	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1100)
	at org.eclipse.swt.widgets.Widget.wmChar(Widget.java:1509)

Last comment in 322914 suggests to open another bug.


Reproducible: Sometimes

Steps to Reproduce:
I get the problem about one time per week,
so it's rather unfrequent and hard to reproduce.
Comment 1 arnaud Mising name CLA 2012-01-25 08:41:50 EST 
Created attachment 210049 [details]
Full threadump
Comment 2 Dani Megert CLA 2012-01-26 03:16:18 EST 

*** This bug has been marked as a duplicate of bug 366048 ***