Reading an ArrayWriter does not work because valueClass does not get initialized
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Key: HADOOP-120
URL: http://issues.apache.org/jira/browse/HADOOP-120
Project: Hadoop
Type: Bug
Components: io
Environment: Red Hat
Reporter: Dick King
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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