John Doe created MAPREDUCE-7513:
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Summary: Thread-unsafe collection can be accessed concurrently
Key: MAPREDUCE-7513
URL: https://issues.apache.org/jira/browse/MAPREDUCE-7513
Project: Hadoop Map/Reduce
Issue Type: Bug
Affects Versions: 3.4.1
Reporter: John Doe
reduces in RMContainerAllocator is a thread-unsafe linked hash map. When it is
accessed by an iterator, if another function accesses it concurrently, a
ConcurrentModificationException occurs.
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