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https://issues.apache.org/jira/browse/LUCENE-6124?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Muir resolved LUCENE-6124.
---------------------------------
       Resolution: Fixed
    Fix Version/s: Trunk
                   5.0

> Fix broken close() methods
> --------------------------
>
>                 Key: LUCENE-6124
>                 URL: https://issues.apache.org/jira/browse/LUCENE-6124
>             Project: Lucene - Core
>          Issue Type: Bug
>            Reporter: Robert Muir
>             Fix For: 5.0, Trunk
>
>         Attachments: LUCENE-6124.patch, LUCENE-6124.patch, LUCENE-6124.patch, 
> LUCENE-6124_asserts.patch, LUCENE-6124_asserts.patch
>
>
> Closeable.close() says "If the stream is already closed then invoking this 
> method has no effect.".
> But a lot of our code does not really respect that. If i add an "extra" 
> close() call in assertingcodec, it finds all kinds of bugs in codec code, for 
> example:
> {noformat}
>    [junit4] Tests with failures (first 10 out of 59):
>    [junit4]   - 
> org.apache.lucene.index.TestCrashCausesCorruptIndex.testCrashCorruptsIndexing
>    [junit4]   - 
> org.apache.lucene.codecs.asserting.TestAssertingPostingsFormat.testDocsOnly
>    [junit4]   - 
> org.apache.lucene.codecs.asserting.TestAssertingPostingsFormat.testDocsAndFreqsAndPositionsAndOffsetsAndPayloads
>    [junit4]   - 
> org.apache.lucene.codecs.asserting.TestAssertingPostingsFormat.testDocsAndFreqs
>    [junit4]   - 
> org.apache.lucene.codecs.asserting.TestAssertingPostingsFormat.testDocsAndFreqsAndPositionsAndOffsets
>    [junit4]   - 
> org.apache.lucene.codecs.asserting.TestAssertingPostingsFormat.testRandom
>    [junit4]   - 
> org.apache.lucene.codecs.asserting.TestAssertingPostingsFormat.testDocsAndFreqsAndPositionsAndPayloads
>    [junit4]   - 
> org.apache.lucene.codecs.asserting.TestAssertingPostingsFormat.testDocsAndFreqsAndPositions
>    [junit4]   - org.apache.lucene.index.TestDirectoryReader.testFilesOpenClose
>    [junit4]   - 
> org.apache.lucene.index.TestIndexWriterDelete.testIndexingThenDeleting
> {noformat}



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