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https://issues.apache.org/jira/browse/HADOOP-1601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12521594
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Raghu Angadi commented on HADOOP-1601:
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The UpgradeUtilities patch is part of HADOOP-1696, either way is ok, we can
include it in this patch since it is small enough.
> GenericWritable should use ReflectionUtils.newInstance to avoid problems with
> classloaders
> ------------------------------------------------------------------------------------------
>
> Key: HADOOP-1601
> URL: https://issues.apache.org/jira/browse/HADOOP-1601
> Project: Hadoop
> Issue Type: Bug
> Components: io
> Affects Versions: 0.15.0
> Reporter: Owen O'Malley
> Assignee: Enis Soztutar
> Fix For: 0.15.0
>
> Attachments: genericWritable_v1.0.patch, genericWritable_v1.1.patch,
> genericWritable_v1.2-sortFiles.patch
>
>
> GenericWritable currently uses Class.newInstance and it should use
> hadoop.utils.ReflectionUtils.newInstance. Furthermore, GenericWritable should
> be Configurable and should configure the nested objects. This will prevent a
> lot of classloader issues and allow the objects to get a configuration.
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