John Doe created MAPREDUCE-7518:
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Summary: Use-after-clear on membership while iteration
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
{{setExpiredHeartbeat()}} calls {{membership.get()}} and uses the result, while
{{deleteStateStore()}} may clear {{{}membership{}}}, causing
{{{}NullPointerException{}}}.
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