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https://issues.apache.org/jira/browse/MAPREDUCE-7515?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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John Doe updated MAPREDUCE-7515:
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Attachment: TestViolation.java
> NPE in MRAppMaster shutdown hook before initialization
> ------------------------------------------------------
>
> Key: MAPREDUCE-7515
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-7515
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: John Doe
> Priority: Major
> Attachments: TestViolation.java
>
>
> The shutdown hook in can execute before {{serviceInit}} finishes, accessing
> uninitialized fields ({{{}committer{}}}, {{{}containerAllocator{}}},
> {{{}jobHistoryEventHandler, etc.{}}}) and leading to NullPointerException.
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