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From "Rohan A Mehta (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-120) Reading an ArrayWriter does not work because valueClass does not get initialized
Date Fri, 11 May 2007 15:10:15 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12495070
] 

Rohan A Mehta commented on HADOOP-120:
--------------------------------------

Hello,
This bug is still not fixed in the latest versions of Hadoop. I wrote a fix similar to the
one submitted. But it hasnt been updated in the respository.
Is there some issue with this fix ?

> 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
>         Environment: Red Hat  
>            Reporter: Dick King
>         Assigned To: Owen O'Malley
>         Attachments: hadoop-120-fix.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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