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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-120) Reading an ArrayWriter does not work because valueClass does not get initialized
Date Tue, 18 Sep 2007 23:12:47 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12528606
] 

Hudson commented on HADOOP-120:
-------------------------------

Integrated in Hadoop-Nightly #241 (See [http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Nightly/241/])

> 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: Cameron Pope
>             Fix For: 0.15.0
>
>         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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