Rohith Sharma K S created YARN-7152:
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Summary: [Atsv 2] Registering timeline client before AMRMClient
service init throw exception.
Key: YARN-7152
URL: https://issues.apache.org/jira/browse/YARN-7152
Project: Hadoop YARN
Issue Type: Bug
Components: timelineclient
Reporter: Rohith Sharma K S
Assignee: Rohith Sharma K S
It is observed that registering timeline v2 client with AMRMClient before
serviceInit throw exception in AppMaster. This causes AppMaster start up
failure.
{noformat}
Caused by: org.apache.hadoop.yarn.exceptions.YarnException: register timeline
v2 client when not configured.
at
org.apache.hadoop.yarn.client.api.AMRMClient.registerTimelineV2Client(AMRMClient.java:708)
at
org.apache.hadoop.yarn.client.api.async.AMRMClientAsync.registerTimelineV2Client(AMRMClientAsync.java:354)
{noformat}
AMRMClient should not assume that timeline client will be registered only after
serviceInit. In composite service model, this will be a issue.
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