Jason Lowe created YARN-7248:
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Summary: NM returns new SCHEDULED container status to older clients
Key: YARN-7248
URL: https://issues.apache.org/jira/browse/YARN-7248
Project: Hadoop YARN
Issue Type: Bug
Components: nodemanager
Affects Versions: 3.0.0-alpha2, 2.9.0
Reporter: Jason Lowe
Priority: Blocker
YARN-4597 added a new SCHEDULED container state and that state is returned to
clients when the container is localizing, etc. However the client may be
running on an older software version that does not have the new SCHEDULED state
which could lead the client to crash on the unexpected container state value or
make incorrect assumptions like any state != NEW and != RUNNING must be
COMPLETED which was true in the older version.
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