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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-2576) Intermittent failure in TestIndexWriter.testCommitThreadSafety
Date Tue, 10 Aug 2010 22:29:17 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-2576?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael McCandless updated LUCENE-2576:
---------------------------------------

    Attachment: LUCENE-2576.patch

Here's a patch to simplify the scary IW.startCommit method -- that method need not be so hairy
anymore because only 1 thread is in there at once.

> Intermittent failure in TestIndexWriter.testCommitThreadSafety
> --------------------------------------------------------------
>
>                 Key: LUCENE-2576
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2576
>             Project: Lucene - Java
>          Issue Type: Bug
>            Reporter: Michael McCandless
>             Fix For: 4.0
>
>         Attachments: LUCENE-2576.patch
>
>
> Mark's while(1) hudson box found this failure (and I can repro it too):
> {noformat}
> Error Message
> MockRAMDirectory: cannot close: there are still open files: {_1m.cfs=1,
> _1k.cfs=1, _14.cfs=1, _1g.cfs=1, _1h.cfs=1, _1f.cfs=1, _1n.cfs=1,
> _1i.cfs=1, _1j.cfs=1, _1l.cfs=1}
> Stacktrace
> java.lang.RuntimeException: MockRAMDirectory: cannot close: there are
> still open files: {_1m.cfs=1, _1k.cfs=1, _14.cfs=1, _1g.cfs=1,
> _1h.cfs=1, _1f.cfs=1, _1n.cfs=1, _1i.cfs=1, _1j.cfs=1, _1l.cfs=1}
>        at
> org.apache.lucene.store.MockRAMDirectory.close(MockRAMDirectory.java:282)
>        at
> org.apache.lucene.index.TestIndexWriter.testCommitThreadSafety(TestIndexWriter.java:4616)
>        at org.apache.lucene.util.LuceneTestCase.runBare(LuceneTestCase.java:328)
> Standard Output
> NOTE: random codec of testcase 'testCommitThreadSafety' was: Sep
> Standard Error
> The following exceptions were thrown by threads:
> *** Thread: Thread-1784 ***
> java.lang.RuntimeException: junit.framework.AssertionFailedError: null
>        at org.apache.lucene.index.TestIndexWriter$9.run(TestIndexWriter.java:4606)
> Caused by: junit.framework.AssertionFailedError: null
>        at junit.framework.Assert.fail(Assert.java:47)
>        at junit.framework.Assert.assertTrue(Assert.java:20)
>        at junit.framework.Assert.assertTrue(Assert.java:27)
>        at org.apache.lucene.index.TestIndexWriter$9.run(TestIndexWriter.java:4597)
> {noformat}

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