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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-6803) Add native gzip read/write coverage to TestCodec
Date Tue, 17 Aug 2010 22:27:18 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-6803?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eli Collins updated HADOOP-6803:
--------------------------------

    Status: Open  (was: Patch Available)

> Add native gzip read/write coverage to TestCodec 
> -------------------------------------------------
>
>                 Key: HADOOP-6803
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6803
>             Project: Hadoop Common
>          Issue Type: Test
>          Components: io
>    Affects Versions: 0.22.0
>            Reporter: Eli Collins
>            Assignee: Eli Collins
>             Fix For: 0.22.0
>
>         Attachments: hadoop-6803-1.patch, hadoop-6803-2.patch, hadoop-6803-3.patch
>
>
> Looking at ZlibCompressor I noticed that the finished member is never modified, and is
therefore always false. This means ZlibCompressor#finished will always return false so CompressorStream#close
loops indefinitely in finish:
> {code} 
>       while (!compressor.finished()) {
>         compress();
>       }
> {code}
> I modifed TestCodec#testGzipCodecWrite to also cover writing using the native lib and
confirmed the hang with jstack. The fix is simple, ZlibCompressor should record when it's
been finished.

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