[ 
https://issues.apache.org/jira/browse/LUCENE-6522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14579708#comment-14579708
 ] 

Kevin Langman commented on LUCENE-6522:
---------------------------------------

Found the problem. Now I am just looking for an appropriate fix.

> Reproducible fieldcache AIOOBE only on J9
> -----------------------------------------
>
>                 Key: LUCENE-6522
>                 URL: https://issues.apache.org/jira/browse/LUCENE-6522
>             Project: Lucene - Core
>          Issue Type: Bug
>            Reporter: Robert Muir
>
> Haven't dug in yet, just:
> * reproduces easily on J9
> * does not happen on Oracle JVM
> {noformat}
>    [junit4] Suite: org.apache.lucene.uninverting.TestFieldCacheVsDocValues
>    [junit4] IGNOR/A 0.51s J2 | 
> TestFieldCacheVsDocValues.testHugeBinaryValueLimit
>    [junit4]    > Assumption #1: test requires codec with limits on max binary 
> field length
>    [junit4]   2> NOTE: reproduce with: ant test  
> -Dtestcase=TestFieldCacheVsDocValues 
> -Dtests.method=testSortedSetFixedLengthVsUninvertedField 
> -Dtests.seed=831619B333C362E6 -Dtests.locale=es_UY 
> -Dtests.timezone=Atlantic/Bermuda -Dtests.asserts=true 
> -Dtests.file.encoding=US-ASCII
>    [junit4] ERROR   0.54s J2 | 
> TestFieldCacheVsDocValues.testSortedSetFixedLengthVsUninvertedField <<<
>    [junit4]    > Throwable #1: java.lang.ArrayIndexOutOfBoundsException
>    [junit4]    >      at 
> __randomizedtesting.SeedInfo.seed([831619B333C362E6:B6EC641493EA4AD3]:0)
>    [junit4]    >      at 
> org.apache.lucene.uninverting.DocTermOrds$OrdWrappedTermsEnum.seekCeil(DocTermOrds.java:692)
>    [junit4]    >      at 
> org.apache.lucene.uninverting.TestFieldCacheVsDocValues.assertEquals(TestFieldCacheVsDocValues.java:570)
>    [junit4]    >      at 
> org.apache.lucene.uninverting.TestFieldCacheVsDocValues.assertEquals(TestFieldCacheVsDocValues.java:511)
>    [junit4]    >      at 
> org.apache.lucene.uninverting.TestFieldCacheVsDocValues.doTestSortedSetVsUninvertedField(TestFieldCacheVsDocValues.java:385)
>    [junit4]    >      at 
> org.apache.lucene.uninverting.TestFieldCacheVsDocValues.testSortedSetFixedLengthVsUninvertedField(TestFieldCacheVsDocValues.java:105)
>    [junit4]    >      at java.lang.Thread.run(Thread.java:785)
>    [junit4]   2> NOTE: reproduce with: ant test  
> -Dtestcase=TestFieldCacheVsDocValues 
> -Dtests.method=testSortedSetVariableLengthVsUninvertedField 
> -Dtests.seed=831619B333C362E6 -Dtests.locale=es_UY 
> -Dtests.timezone=Atlantic/Bermuda -Dtests.asserts=true 
> -Dtests.file.encoding=US-ASCII
>    [junit4] ERROR   0.42s J2 | 
> TestFieldCacheVsDocValues.testSortedSetVariableLengthVsUninvertedField <<<
>    [junit4]    > Throwable #1: java.lang.ArrayIndexOutOfBoundsException
>    [junit4]    >      at 
> __randomizedtesting.SeedInfo.seed([831619B333C362E6:2AB51ED6D324E426]:0)
>    [junit4]    >      at 
> org.apache.lucene.uninverting.DocTermOrds$OrdWrappedTermsEnum.seekCeil(DocTermOrds.java:692)
>    [junit4]    >      at 
> org.apache.lucene.uninverting.TestFieldCacheVsDocValues.assertEquals(TestFieldCacheVsDocValues.java:570)
>    [junit4]    >      at 
> org.apache.lucene.uninverting.TestFieldCacheVsDocValues.assertEquals(TestFieldCacheVsDocValues.java:511)
>    [junit4]    >      at 
> org.apache.lucene.uninverting.TestFieldCacheVsDocValues.doTestSortedSetVsUninvertedField(TestFieldCacheVsDocValues.java:385)
>    [junit4]    >      at 
> org.apache.lucene.uninverting.TestFieldCacheVsDocValues.testSortedSetVariableLengthVsUninvertedField(TestFieldCacheVsDocValues.java:112)
>    [junit4]    >      at java.lang.Thread.run(Thread.java:785)
>    [junit4]   2> NOTE: leaving temporary files on disk at: 
> /home/rmuir/workspace/trunk-ibm/lucene/build/misc/test/J2/temp/lucene.uninverting.TestFieldCacheVsDocValues
>  831619B333C362E6-001
>    [junit4]   2> NOTE: test params are: codec=Asserting(Lucene50): 
> {indexed=FSTOrd50, id=Lucene50(blocksize=128)}, 
> docValues:{dv=DocValuesFormat(name=Asserting), 
> field=DocValuesFormat(name=Asserting)}, sim=DefaultSimilarity, locale=es_UY, 
> timezone=Atlantic/Bermuda
>    [junit4]   2> NOTE: Linux 3.13.0-49-generic amd64/IBM Corporation 1.8.0 
> (64-bit)/cpus=8,threads=1,free=10179616,total=32243712
>    [junit4]   2> NOTE: All tests run in this JVM: [TestDocTermOrds, 
> TestNumericTerms32, TestFieldCacheVsDocValues]
>    [junit4] Completed [21/25] on J2 in 4.50s, 10 tests, 2 errors, 1 skipped 
> <<< FAILURES!
> {noformat}



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