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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-1811) TestIndexReaderReopen nightly build failure
Date Sat, 15 Aug 2009 14:00:14 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-1811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12743715#action_12743715
] 

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.SingleInstanceLock@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.SingleInstanceLock@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.SingleInstanceLock@6ac615:
write.lock
>     [junit] junit.framework.AssertionFailedError: Error occurred in thread Thread-36:
>     [junit] Lock obtain timed out: org.apache.lucene.store.SingleInstanceLock@6ac615:
write.lock
>     [junit] 	at org.apache.lucene.index.TestIndexReaderReopen.testThreadSafety(TestIndexReaderReopen.java:764)
>     [junit] 
>     [junit] 
> {code}

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