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https://issues.apache.org/jira/browse/MRUNIT-70?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13226759#comment-13226759
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Jim Donofrio commented on MRUNIT-70:
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I dont consider the failure of ByteBuffer to be mrunit's problem, there should
be a serialization class that you can set in io.serializations to get
ByteBuffer to work
> copy(orig, conf) in Serialization shouldn't require objects to have a no-args
> constructor, and copy(orig, copy, conf) seems to violate contract for
> deserializer.deserialize()
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: MRUNIT-70
> URL: https://issues.apache.org/jira/browse/MRUNIT-70
> Project: MRUnit
> Issue Type: Bug
> Affects Versions: 0.8.0
> Reporter: Meloss Xeloss
> Assignee: Jim Donofrio
> Priority: Minor
> Fix For: 1.0.0
>
> Attachments: MRUNIT-70-1.patch
>
>
> The copy(orig, conf) method requires objects to have a no-args constructor,
> which is non-ideal, since it passes on to Deserializer.deserialize, which can
> create a new object if passed in null. Additionally, the contract for
> deserialize only _can_ fill in the object passed in, so the copy method will
> not perform as expected if it does not.
> http://hadoop.apache.org/common/docs/current/api/org/apache/hadoop/io/serializer/Deserializer.html#deserialize%28T%29
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