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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-2212) java.lang.ArithmeticException: / by zero in ChecksumFileSystem.open
Date Sat, 17 Nov 2007 15:24:43 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12543289

Hadoop QA commented on HADOOP-2212:

+1 overall.  Here are the results of testing the latest attachment 
against trunk revision r595563.

    @author +1.  The patch does not contain any @author tags.

    javadoc +1.  The javadoc tool did not generate any warning messages.

    javac +1.  The applied patch does not generate any new compiler warnings.

    findbugs +1.  The patch does not introduce any new Findbugs warnings.

    core tests +1.  The patch passed core unit tests.

    contrib tests +1.  The patch passed contrib unit tests.

Test results: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1114/testReport/
Findbugs warnings: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1114/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1114/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1114/console

This message is automatically generated.

> java.lang.ArithmeticException: / by zero in ChecksumFileSystem.open
> -------------------------------------------------------------------
>                 Key: HADOOP-2212
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2212
>             Project: Hadoop
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.15.0
>            Reporter: Michael Bieniosek
>            Priority: Critical
>         Attachments: hadoop-2212.patch
> The ChecksumFileSystem uses a default bytesPerChecksum value of zero.  This number appears
as a divisor in ChecksumFileSystem.getSumBufferSize, if it is not overriden in config.

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