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https://issues.apache.org/jira/browse/LUCENE-3033?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13026156#comment-13026156
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Simon Willnauer commented on LUCENE-3033:
-----------------------------------------
I think I have found the root cause of this issue. There was a chance of
missing a DWPT during a full flush / commit when a full flush is started while
we release a new DWPT into the pool. All subsequent documents added to this
DWPT will never get flushed neither if I commit nor when I close the writer.
This also explains the failures in LUCENE-3035. I committed a fix in Revision:
1097156. I will resolve those issues since both haven't occurred anymore
running them while(1) the entire night.
> TestAddIndexes#testAddIndexesWithThreads fails on Realtime
> ----------------------------------------------------------
>
> Key: LUCENE-3033
> URL: https://issues.apache.org/jira/browse/LUCENE-3033
> Project: Lucene - Java
> Issue Type: Bug
> Components: Index
> Affects Versions: Realtime Branch
> Reporter: Simon Willnauer
> Fix For: Realtime Branch
>
>
> Selckin reported two failures on LUCENE-3023 which I can unfortunately not
> reproduce at all. here are the traces
> {noformat}
> [junit] Testsuite: org.apache.lucene.index.TestAddIndexes
> [junit] Testcase:
> testAddIndexesWithThreads(org.apache.lucene.index.TestAddIndexes): FAILED
> [junit] expected:<3160> but was:<3060>
> [junit] junit.framework.AssertionFailedError: expected:<3160> but
> was:<3060>
> [junit] at
> org.apache.lucene.index.TestAddIndexes.testAddIndexesWithThreads(TestAddIndexes.java:783)
> [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: 14.272 sec
> [junit]
> [junit] ------------- Standard Error -----------------
> [junit] NOTE: reproduce with: ant test -Dtestcase=TestAddIndexes
> -Dtestmethod=testAddIndexesWithThreads
> -Dtests.seed=6128854208955988865:2552774338676281184
> [junit] NOTE: test params are: codec=PreFlex, locale=no_NO_NY,
> timezone=America/Edmonton
> [junit] NOTE: all tests run in this JVM:
> [junit] [TestToken, TestDateTools, Test2BTerms, TestAddIndexes]
> [junit] NOTE: Linux 2.6.37-gentoo amd64/Sun Microsystems Inc. 1.6.0_24
> (64-bit)/cpus=8,threads=1,free=84731792,total=258080768
> [junit] ------------- ---------------- ---------------
> {noformat}
> and
> {noformat}
> [junit] Testsuite: org.apache.lucene.index.TestAddIndexes
> [junit] Testcase:
> testAddIndexesWithThreads(org.apache.lucene.index.TestAddIndexes): FAILED
> [junit] expected:<3160> but was:<3060>
> [junit] junit.framework.AssertionFailedError: expected:<3160> but
> was:<3060>
> [junit] at
> org.apache.lucene.index.TestAddIndexes.testAddIndexesWithThreads(TestAddIndexes.java:783)
> [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: 14.841 sec
> [junit]
> [junit] ------------- Standard Error -----------------
> [junit] NOTE: reproduce with: ant test -Dtestcase=TestAddIndexes
> -Dtestmethod=testAddIndexesWithThreads
> -Dtests.seed=4502815121171887759:-6764285049309266272
> [junit] NOTE: test params are: codec=PreFlex, locale=tr_TR,
> timezone=Mexico/BajaNorte
> [junit] NOTE: all tests run in this JVM:
> [junit] [TestToken, TestDateTools, Test2BTerms, TestAddIndexes]
> [junit] NOTE: Linux 2.6.37-gentoo amd64/Sun Microsystems Inc. 1.6.0_24
> (64-bit)/cpus=8,threads=1,free=163663416,total=243335168
> [junit] ------------- ---------------- ---------------
> {noformat}
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