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https://issues.apache.org/jira/browse/YARN-5562?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rohith Sharma K S resolved YARN-5562.
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Resolution: Duplicate
In weekly meeting with ATSv2 folks, we discussed this scenario and found that
YARN-4220 intended to solve the same case. I will be closing this JIRA and put
recent exception trace in YARN-4220.
> [Atsv2] system entities retrieval in REST throws NPE
> ----------------------------------------------------
>
> Key: YARN-5562
> URL: https://issues.apache.org/jira/browse/YARN-5562
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Rohith Sharma K S
> Assignee: Rohith Sharma K S
>
> It is seen that when evene try to retrieval system entities throw NPE. URL
> /ws/v2/timeline/apps/{app-id}/entities
> # for YARN_APPLICATION and YARN_FLOW_RUN
> {noformat}
> {
> "exception": "WebApplicationException",
> "message": "java.lang.NullPointerException: userId shouldn't be null",
> "javaClassName": "javax.ws.rs.WebApplicationException"
> }
> {noformat}
> May be these entities can be skipped if not intended to use via REST apis.
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