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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-2884) StandardCodec sometimes supplies skip pointers past EOF
Date Mon, 24 Jan 2011 15:17:46 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-2884?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12985731#action_12985731
] 

Robert Muir commented on LUCENE-2884:
-------------------------------------

wierd, as simon mentioned its not entirely deterministic.
sometimes the test passes with the same seed... sometimes not.

if I wire the test to use SerialMergeScheduler it passes always.


> StandardCodec sometimes supplies skip pointers past EOF
> -------------------------------------------------------
>
>                 Key: LUCENE-2884
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2884
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Codecs
>    Affects Versions: 4.0
>            Reporter: Robert Muir
>
> Pretty sure this is 4.0-only:
> I added an assertion, the test to reproduce is:
> ant test-core -Dtestcase=TestPayloadNearQuery -Dtestmethod=testMinFunction -Dtests.seed=4841190615781133892:3888521539169738727
-Dtests.multiplier=3
> {noformat}
>     [junit] Testcase: testMinFunction(org.apache.lucene.search.payloads.TestPayloadNearQuery):
 FAILED
>     [junit] invalid skip pointer: 404, length=337
>     [junit] junit.framework.AssertionFailedError: invalid skip pointer: 404, length=337
>     [junit]     at org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1127)
>     [junit]     at org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1059)
>     [junit]     at org.apache.lucene.index.codecs.MultiLevelSkipListReader.init(MultiLevelSkipListReader.java:176)
>     [junit]     at org.apache.lucene.index.codecs.standard.DefaultSkipListReader.init(DefaultSkipListReader.java:50)
>     [junit]     at org.apache.lucene.index.codecs.standard.StandardPostingsReader$SegmentDocsAndPositionsAndPayloadsEnum.advance(StandardPostingsReader.java:742)
>     [junit]     at org.apache.lucene.search.spans.TermSpans.skipTo(TermSpans.java:72)
> {noformat}

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