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https://issues.apache.org/jira/browse/HADOOP-3208?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12586937#action_12586937
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Doug Cutting commented on HADOOP-3208:
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The patch looks good to me. Can you please add a test case?
Should this be a blocker? It could break Configurable Writable implementations
that depend on a non-null configuration.
> WritableDeserializer does not pass the Configuration to deserialized Writables
> ------------------------------------------------------------------------------
>
> Key: HADOOP-3208
> URL: https://issues.apache.org/jira/browse/HADOOP-3208
> Project: Hadoop Core
> Issue Type: Bug
> Affects Versions: 0.17.0
> Reporter: Enis Soztutar
> Assignee: Enis Soztutar
> Fix For: 0.17.0
>
> Attachments: writableDeserializer_v1.patch
>
>
> {{WritableDeserializer}} does not hold a reference to the Configuration
> object, so it does not pass it to deserialized writables, but uses
> ReflectionUtils.newInstance(writableClass, null), which results in objects
> defining Configurable interface to be initialized with null configuration.
> Serialization framework have been introduced in 0.17, so this bug affects
> 0.17.
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