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https://issues.apache.org/jira/browse/HADOOP-4467?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris K Wensel updated HADOOP-4467:
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Attachment: hadoop-4467-v2.patch
delegates classloading back to Configuration
> SerializationFactory should use current context ClassLoader
> -----------------------------------------------------------
>
> Key: HADOOP-4467
> URL: https://issues.apache.org/jira/browse/HADOOP-4467
> Project: Hadoop Core
> Issue Type: Bug
> Affects Versions: 0.18.1, 0.19.0
> Reporter: Chris K Wensel
> Attachments: hadoop-4467-v2.patch, hadoop-4467.patch
>
>
> SerializationFactory#add calls Class.forName without a ClassLoader instance.
> This prevents user-space Serialization classes from being loaded.
> The resulting ClassNotFoundException is eaten after being logged, and a NPE
> is thrown further down the line when a Serializer is requested.
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