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Bug 231254 - OutOfMemoryError in org.openide.explorer.view.TreeViewTest
Summary: OutOfMemoryError in org.openide.explorer.view.TreeViewTest
Status: RESOLVED FIXED
Alias: None
Product: platform
Classification: Unclassified
Component: Explorer (show other bugs)
Version: 7.4
Hardware: PC Linux
: P2 normal (vote)
Assignee: Martin Entlicher
URL: http://deadlock.netbeans.org/hudson/j...
Keywords: TEST
Depends on:
Blocks:
 
Reported: 2013-06-14 07:44 UTC by Martin Entlicher
Modified: 2013-07-01 15:57 UTC (History)
0 users

See Also:
Issue Type: DEFECT
Exception Reporter:

Attachments
Console text (40.59 KB, text/plain)
2013-06-14 07:47 UTC, Martin Entlicher 		Details
Console text, failure of build #10429. (37.79 KB, text/plain)
2013-06-27 11:03 UTC, Martin Entlicher 		Details
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Description Martin Entlicher 2013-06-14 07:44:32 UTC 
All invokeAndWait() calls can not be finished, because threads "AWT-XAWT" and "AWT-EventQueue-0" are interrupted with OutOfMemoryError.
Comment 1 Martin Entlicher 2013-06-14 07:47:43 UTC 
Created attachment 135787 [details]
Console text
Comment 2 Jan Peska 2013-06-17 13:33:18 UTC 
(In reply to comment #0)
> All invokeAndWait() calls can not be finished, because threads "AWT-XAWT" and
> "AWT-EventQueue-0" are interrupted with OutOfMemoryError.

Unfortunately I'm not able to reproduce it locally so it is hard to determine what causes the OutOfMemoryError because I can't find anything suspicious in these tests. I'll reopen this issue if it occurs again.
Comment 3 Martin Entlicher 2013-06-26 11:53:18 UTC 
As Jaroslav Tulach pointed out at https://netbeans.org/projects/platform/lists/core-commits/archive/2013-06/message/265 the OOME might be related to assertGC() calls.
Comment 4 Martin Entlicher 2013-06-27 11:03:12 UTC 
Created attachment 136396 [details]
Console text, failure of build #10429.

There are similar failures of BeanTreeViewTest. See http://deadlock.netbeans.org/hudson/job/NB-Core-Build/10429/testReport/ or the attached console output.
Comment 5 Martin Entlicher 2013-06-27 11:05:34 UTC 
I have one wild idea - try to block AWT during assertGC so that OutOfMemoryError can not occur in AWT-EventQueue-0 thread.
Comment 6 Martin Entlicher 2013-06-27 15:57:31 UTC 
I've tried to fix it by blocking of AWT thread during the GC checks:
changeset:   257629:78e6da76d2fd
http://hg.netbeans.org/core-main/rev/78e6da76d2fd
Comment 7 Quality Engineering 2013-07-01 15:57:43 UTC 
Integrated into 'main-silver', will be available in build *201307011244* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress)

Changeset: http://hg.netbeans.org/main-silver/rev/78e6da76d2fd
User: mentlicher@netbeans.org
Log: #231254: Solve OutOfMemoryError occuring in AWT-EventQueue-0 thread by suspension of AWT thread during GC checks.