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From "Zhiyuan Yang (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (TEZ-3834) TaskSchedulerManager NullPointerException during shutdown when failed to start
Date Fri, 05 Jan 2018 00:18:21 GMT

     [ https://issues.apache.org/jira/browse/TEZ-3834?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zhiyuan Yang closed TEZ-3834.
-----------------------------

> TaskSchedulerManager NullPointerException during shutdown when failed to start
> ------------------------------------------------------------------------------
>
>                 Key: TEZ-3834
>                 URL: https://issues.apache.org/jira/browse/TEZ-3834
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Jonathan Eagles
>            Assignee: Jonathan Eagles
>             Fix For: 0.9.1
>
>         Attachments: TEZ-3834.001.patch, TEZ-3834.002.patch, TEZ-3834.003.patch
>
>
> {noformat:title=NPE 1}
> 2017-09-14 12:16:48,259 [ERROR] [main] |rm.TaskSchedulerManager|: Failed to do a clean
initiateStop for Scheduler: [0:TezYarn]
> java.lang.NullPointerException
> 	at org.apache.tez.dag.app.rm.TaskSchedulerManager.initiateStop(TaskSchedulerManager.java:696)
> 	at org.apache.tez.dag.app.DAGAppMaster.initiateStop(DAGAppMaster.java:2223)
> 	at org.apache.tez.dag.app.DAGAppMaster.serviceStop(DAGAppMaster.java:2239)
> 	at org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221)
> 	at org.apache.hadoop.service.ServiceOperations.stop(ServiceOperations.java:52)
> 	at org.apache.hadoop.service.ServiceOperations.stopQuietly(ServiceOperations.java:80)
> 	at org.apache.hadoop.service.AbstractService.start(AbstractService.java:203)
> 	at org.apache.tez.dag.app.DAGAppMaster$9.run(DAGAppMaster.java:2707)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1936)
> 	at org.apache.tez.dag.app.DAGAppMaster.initAndStartAppMaster(DAGAppMaster.java:2703)
> 	at org.apache.tez.dag.app.DAGAppMaster.main(DAGAppMaster.java:2508)
> {noformat}
> {noformat:title=NPE 2}
> 2017-09-14 12:16:48,610 [ERROR] [main] |rm.TaskSchedulerManager|: Error in TaskScheduler
when checking if a scheduler has unregistered, scheduler=[0:TezYarn]
> java.lang.NullPointerException
> 	at org.apache.tez.dag.app.rm.TaskSchedulerManager.hasUnregistered(TaskSchedulerManager.java:998)
> 	at org.apache.tez.dag.app.DAGAppMaster.serviceStop(DAGAppMaster.java:2252)
> 	at org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221)
> 	at org.apache.hadoop.service.ServiceOperations.stop(ServiceOperations.java:52)
> 	at org.apache.hadoop.service.ServiceOperations.stopQuietly(ServiceOperations.java:80)
> 	at org.apache.hadoop.service.AbstractService.start(AbstractService.java:203)
> 	at org.apache.tez.dag.app.DAGAppMaster$9.run(DAGAppMaster.java:2707)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1936)
> 	at org.apache.tez.dag.app.DAGAppMaster.initAndStartAppMaster(DAGAppMaster.java:2703)
> 	at org.apache.tez.dag.app.DAGAppMaster.main(DAGAppMaster.java:2508)
> {noformat}



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