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https://issues.apache.org/jira/browse/HIVE-8372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14161354#comment-14161354
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Vikram Dixit K commented on HIVE-8372:
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+1 LGTM. +1 for 0.14 as well.
> Potential NPE in Tez MergeFileRecordProcessor
> ---------------------------------------------
>
> Key: HIVE-8372
> URL: https://issues.apache.org/jira/browse/HIVE-8372
> Project: Hive
> Issue Type: Bug
> Components: Tez
> Affects Versions: 0.14.0
> Reporter: Prasanth J
> Assignee: Prasanth J
> Attachments: HIVE-8372.1.patch
>
>
> MergeFileRecordProcessor retrieves map work from cache. This map work can be
> instance of merge file work. When the merge file work already exists in the
> cache casting the map work to merge file work is missing which will result in
> NullPointerException.
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