rangjiaheng created MAPREDUCE-6978:
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Summary: MR task counters deserialized through RPC throws
OutOfBoundsException if Counter enum class version not match
Key: MAPREDUCE-6978
URL: https://issues.apache.org/jira/browse/MAPREDUCE-6978
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: mr-am, task
Affects Versions: 3.0.0-alpha4
Environment: NM1 TaskCounter.class old version;
NM2 TaskCounter.class new version (new Enumeration values appended);
Reporter: rangjiaheng
Environment:
NM1 TaskCounter.class old version;
NM2 TaskCounter.class new version (new Enumeration values appended);
Result:
When an MR app's AM running on NM1, and it's containers on NM2; the containers
on NM2 will all failed
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