ConcurrentModificationException in counter groups
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Key: MAPREDUCE-3750
URL: https://issues.apache.org/jira/browse/MAPREDUCE-3750
Project: Hadoop Map/Reduce
Issue Type: Bug
Reporter: Tom White
Priority: Blocker
Iterating over a counter's groups while adding more groups results in a
ConcurrentModificationException. This was discovered while running Hive unit
tests on a recent 0.23 version of Hadoop.
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