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https://issues.apache.org/jira/browse/YARN-7371?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chandni Singh updated YARN-7371:
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Attachment: YARN-7371-yarn-native-services.003.patch
> NPE in ServiceMaster after RM is restarted and then the ServiceMaster is
> killed
> -------------------------------------------------------------------------------
>
> Key: YARN-7371
> URL: https://issues.apache.org/jira/browse/YARN-7371
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Chandni Singh
> Assignee: Chandni Singh
> Attachments: YARN-7371-yarn-native-services.001.patch,
> YARN-7371-yarn-native-services.002.patch,
> YARN-7371-yarn-native-services.003.patch
>
>
> java.lang.NullPointerException
> at
> org.apache.hadoop.yarn.service.ServiceScheduler.recoverComponents(ServiceScheduler.java:313)
> at
> org.apache.hadoop.yarn.service.ServiceScheduler.serviceStart(ServiceScheduler.java:265)
> at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194)
> at
> org.apache.hadoop.service.CompositeService.serviceStart(CompositeService.java:121)
> at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194)
> at org.apache.hadoop.yarn.service.ServiceMaster.main(ServiceMaster.java:150)
> Steps:
> 1. Stopped RM and then started it
> 2. Application was still running
> 3. Killed the ServiceMaster to check if it recovers
> 4. Next attempt failed with the above exception
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