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https://issues.apache.org/jira/browse/LUCENE-1811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12743715#action_12743715
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Michael McCandless commented on LUCENE-1811:
--------------------------------------------
I believe this is just a thread-safety bug in the test. It's deleting by a
fixed docID, but, depending on how threads are scheduled, that docID may be
invalid. I'll commit a simple fix shortly...
> TestIndexReaderReopen nightly build failure
> -------------------------------------------
>
> Key: LUCENE-1811
> URL: https://issues.apache.org/jira/browse/LUCENE-1811
> Project: Lucene - Java
> Issue Type: Bug
> Components: Index
> Affects Versions: 2.9
> Reporter: Michael McCandless
> Priority: Minor
> Fix For: 2.9
>
>
> An interesting failure in last night's build
> (http://hudson.zones.apache.org/hudson/job/Lucene-trunk/920).
> I think the root cause wast he AIOOB exception... all the "lock obtain timed
> out" exceptions look like they cascaded.
> {code}
> [junit] Testsuite: org.apache.lucene.index.TestIndexReaderReopen
> [junit] Lock obtain timed out:
> org.apache.lucene.store.singleinstancel...@6ac615: write.lock)
> [junit] Tests run: 15, Failures: 1, Errors: 0, Time elapsed: 31.087 sec
> [junit]
> [junit] ------------- Standard Output ---------------
> [junit] java.lang.ArrayIndexOutOfBoundsException: Array index out of
> range: 148
> [junit] at org.apache.lucene.util.BitVector.getAndSet(BitVector.java:74)
> [junit] at
> org.apache.lucene.index.SegmentReader.doDelete(SegmentReader.java:908)
> [junit] at
> org.apache.lucene.index.IndexReader.deleteDocument(IndexReader.java:1122)
> [junit] at
> org.apache.lucene.index.DirectoryReader.doDelete(DirectoryReader.java:521)
> [junit] at
> org.apache.lucene.index.IndexReader.deleteDocument(IndexReader.java:1122)
> [junit] at
> org.apache.lucene.index.TestIndexReaderReopen$8.modifyIndex(TestIndexReaderReopen.java:638)
> [junit] at
> org.apache.lucene.index.TestIndexReaderReopen.refreshReader(TestIndexReaderReopen.java:840)
> [junit] at
> org.apache.lucene.index.TestIndexReaderReopen.access$400(TestIndexReaderReopen.java:47)
> [junit] at
> org.apache.lucene.index.TestIndexReaderReopen$9.run(TestIndexReaderReopen.java:681)
> [junit] at
> org.apache.lucene.index.TestIndexReaderReopen$ReaderThread.run(TestIndexReaderReopen.java:822)
> [junit] org.apache.lucene.store.LockObtainFailedException: Lock obtain
> timed out: org.apache.lucene.store.singleinstancel...@88d319: write.lock
> [junit] at org.apache.lucene.store.Lock.obtain(Lock.java:85)
> [junit] at
> org.apache.lucene.index.DirectoryReader.acquireWriteLock(DirectoryReader.java:666)
> [junit] at
> org.apache.lucene.index.IndexReader.setNorm(IndexReader.java:994)
> [junit] at
> org.apache.lucene.index.IndexReader.setNorm(IndexReader.java:1020)
> [junit] at
> org.apache.lucene.index.TestIndexReaderReopen$8.modifyIndex(TestIndexReaderReopen.java:634)
> [junit] at
> org.apache.lucene.index.TestIndexReaderReopen.refreshReader(TestIndexReaderReopen.java:840)
> [junit] at
> org.apache.lucene.index.TestIndexReaderReopen.access$400(TestIndexReaderReopen.java:47)
> [junit] at
> org.apache.lucene.index.TestIndexReaderReopen$9.run(TestIndexReaderReopen.java:681)
> [junit] at
> org.apache.lucene.index.TestIndexReaderReopen$ReaderThread.run(TestIndexReaderReopen.java:822)
> ...
> [junit] ------------- ---------------- ---------------
> [junit] Testcase:
> testThreadSafety(org.apache.lucene.index.TestIndexReaderReopen): FAILED
> [junit] Error occurred in thread Thread-36:
> [junit] Lock obtain timed out:
> org.apache.lucene.store.singleinstancel...@6ac615: write.lock
> [junit] junit.framework.AssertionFailedError: Error occurred in thread
> Thread-36:
> [junit] Lock obtain timed out:
> org.apache.lucene.store.singleinstancel...@6ac615: write.lock
> [junit] at
> org.apache.lucene.index.TestIndexReaderReopen.testThreadSafety(TestIndexReaderReopen.java:764)
> [junit]
> [junit]
> {code}
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