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Posted to yarn-issues@hadoop.apache.org by "Chandni Singh (JIRA)" <ji...@apache.org> on 2017/11/03 21:25:00 UTC
[jira] [Comment Edited] (YARN-7371) NPE in ServiceMaster after RM
is restarted and then the ServiceMaster is killed
[ https://issues.apache.org/jira/browse/YARN-7371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16238397#comment-16238397 ]
Chandni Singh edited comment on YARN-7371 at 11/3/17 9:24 PM:
--------------------------------------------------------------
Addressed the review comments and fixed checkstyle errors in patch 6.
The test failures seem to be unrelated
was (Author: csingh):
Addressed the review comments and fixed checkstyle errors.
The test failures seem to be unrelated
> 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
> Priority: Major
> Attachments: YARN-7371-yarn-native-services.001.patch, YARN-7371-yarn-native-services.002.patch, YARN-7371-yarn-native-services.003.patch, YARN-7371-yarn-native-services.004.patch, YARN-7371-yarn-native-services.005.patch, YARN-7371-yarn-native-services.006.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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