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From "Dick King (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-120) Reading an ArrayWriter does not work because valueClass does not get initialized
Date Tue, 04 Apr 2006 23:58:51 GMT
     [ http://issues.apache.org/jira/browse/HADOOP-120?page=all ]

Dick King updated HADOOP-120:
-----------------------------

    Attachment: hadoop-120-fix.patch

This patch appears to fix the problem.  I don't know whether you will object to the exception
modification on ClassNotFoundException .

-dk


> Reading an ArrayWriter does not work because valueClass does not get initialized
> --------------------------------------------------------------------------------
>
>          Key: HADOOP-120
>          URL: http://issues.apache.org/jira/browse/HADOOP-120
>      Project: Hadoop
>         Type: Bug

>   Components: io
>  Environment: Red Hat  
>     Reporter: Dick King
>  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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