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https://issues.apache.org/jira/browse/MAPREDUCE-7518?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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John Doe updated MAPREDUCE-7518:
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Attachment: TestViolation.java
> Use-after-clear on membership
> -----------------------------
>
> Key: MAPREDUCE-7518
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-7518
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 3.4.1
> Reporter: John Doe
> Priority: Major
> Attachments: TestViolation.java
>
>
> {{setExpiredHeartbeat()}} calls {{membership.get()}} and uses the result,
> while {{deleteStateStore()}} may clear {{{}membership{}}}, causing
> {{{}NullPointerException{}}}.
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