[ 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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