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https://issues.apache.org/jira/browse/HBASE-6049?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhihong Yu updated HBASE-6049:
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Attachment: 6049-v3.patch
Patch v3 rebased on trunk.
> Serializing "List" containing null elements will cause NullPointerException
> in HbaseObjectWritable.writeObject()
> ----------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-6049
> URL: https://issues.apache.org/jira/browse/HBASE-6049
> Project: HBase
> Issue Type: Bug
> Components: io
> Affects Versions: 0.94.0
> Reporter: Maryann Xue
> Attachments: 6049-v3.patch, HBASE-6049-v2.patch, HBASE-6049-v3.patch,
> HBASE-6049.patch
>
>
> An error case could be in Coprocessor AggregationClient, the median()
> function handles an empty region and returns a List Object with the first
> element as a Null value. NPE occurs in the RPC response stage and the
> response never gets sent.
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