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From "Simon Willnauer (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (LUCENE-3031) setFlushPending fails if we concurrently hit a aborting exception
Date Fri, 15 Apr 2011 08:27:05 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-3031?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Simon Willnauer resolved LUCENE-3031.
-------------------------------------

    Resolution: Fixed

committed to branch

> setFlushPending fails if we concurrently hit a aborting exception
> -----------------------------------------------------------------
>
>                 Key: LUCENE-3031
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3031
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Index
>    Affects Versions: Realtime Branch
>            Reporter: Simon Willnauer
>            Assignee: Simon Willnauer
>             Fix For: Realtime Branch
>
>         Attachments: LUCENE-3031.patch
>
>
> If we select a DWPT for flushing but that DWPT is currently in flight and hits an exception
after we selected them for flushing the num of docs is reset to 0 and we trip that exception.
So we rather check if it is > 0 than assert on it here.
> {noformat}
> [junit] Testsuite: org.apache.lucene.index.TestIndexWriterExceptions
>     [junit] Testcase: testRandomExceptionsThreads(org.apache.lucene.index.TestIndexWriterExceptions):
FAILED
>     [junit] thread Indexer 3: hit unexpected failure
>     [junit] junit.framework.AssertionFailedError: thread Indexer 3: hit unexpected failure
>     [junit] 	at org.apache.lucene.index.TestIndexWriterExceptions.testRandomExceptionsThreads(TestIndexWriterExceptions.java:227)
>     [junit] 	at org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1226)
>     [junit] 	at org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1154)
>     [junit] 
>     [junit] 
>     [junit] Tests run: 18, Failures: 1, Errors: 0, Time elapsed: 30.287 sec
>     [junit] 
>     [junit] ------------- Standard Output ---------------
>     [junit] Indexer 3: unexpected exception2
>     [junit] java.lang.AssertionError
>     [junit] 	at org.apache.lucene.index.DocumentsWriterFlushControl.setFlushPending(DocumentsWriterFlushControl.java:170)
>     [junit] 	at org.apache.lucene.index.FlushPolicy.markLargestWriterPending(FlushPolicy.java:108)
>     [junit] 	at org.apache.lucene.index.FlushByRamOrCountsPolicy.onInsert(FlushByRamOrCountsPolicy.java:61)
>     [junit] 	at org.apache.lucene.index.FlushPolicy.onUpdate(FlushPolicy.java:77)
>     [junit] 	at org.apache.lucene.index.DocumentsWriterFlushControl.doAfterDocument(DocumentsWriterFlushControl.java:115)
>     [junit] 	at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:341)
>     [junit] 	at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1367)
>     [junit] 	at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1339)
>     [junit] 	at org.apache.lucene.index.TestIndexWriterExceptions$IndexerThread.run(TestIndexWriterExceptions.java:92)
>     [junit] ------------- ---------------- ---------------
>     [junit] ------------- Standard Error -----------------
>     [junit] NOTE: reproduce with: ant test -Dtestcase=TestIndexWriterExceptions -Dtestmethod=testRandomExceptionsThreads
-Dtests.seed=3493970007652348212:2010109588873167237
>     [junit] WARNING: test method: 'testRandomExceptionsThreads' left thread running:
merge thread: _1v(4.0):Cv2 _27(4.0):cv1 into _2h
>     [junit] WARNING: test method: 'testRandomExceptionsThreads' left thread running:
merge thread: _2c(4.0):cv1 into _2m
>     [junit] RESOURCE LEAK: test method: 'testRandomExceptionsThreads' left 2 thread(s)
running
>     [junit] NOTE: test params are: codec=RandomCodecProvider: {content=MockFixedIntBlock(blockSize=421),
field=MockSep, id=SimpleText, other=MockSep, contents=MockRandom, content1=Pulsing(freqCutoff=11),
content2=MockSep, content4=SimpleText, content5=SimpleText, content6=MockRandom, crash=MockRandom,
content7=MockVariableIntBlock(baseBlockSize=109)}, locale=mk_MK, timezone=Europe/Malta
>     [junit] NOTE: all tests run in this JVM:
>     [junit] [TestToken, TestDateTools, Test2BTerms, TestAddIndexes, TestFilterIndexReader,
TestIndexWriterExceptions]
>     [junit] NOTE: Linux 2.6.37-gentoo amd64/Sun Microsystems Inc. 1.6.0_24 (64-bit)/cpus=8,threads=1,free=78897400,total=195821568
> {noformat}

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