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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-120) Reading an ArrayWriter does not work because valueClass does not get initialized
Date Thu, 13 Sep 2007 23:21:32 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12527308

Hadoop QA commented on HADOOP-120:

-1 overall.  Here are the results of testing the latest attachment 
against trunk revision r575472.

    @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 failed contrib unit tests.

Test results: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/754/testReport/
Findbugs warnings: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/754/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/754/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/754/console

This message is automatically generated.

> Reading an ArrayWriter does not work because valueClass does not get initialized
> --------------------------------------------------------------------------------
>                 Key: HADOOP-120
>                 URL: https://issues.apache.org/jira/browse/HADOOP-120
>             Project: Hadoop
>          Issue Type: Bug
>          Components: io
>    Affects Versions: 0.15.0
>         Environment: Red Hat  
>            Reporter: Dick King
>            Assignee: Doug Cutting
>         Attachments: HADOOP-120-3.patch, hadoop-120-fix.patch, hadoop-120-workaround.patch
> If you have a Reducer whose value type is an ArrayWriter it gets enstreamed alright but
at reconstruction type when ArrayWriter::readFields(DataInput in) runs on a DataInput that
has a nonempty ArrayWriter , newInstance fails trying to instantiate the null class.

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