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From "Joep Rottinghuis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5210) NPE in Distributed Shell while publishing DS_CONTAINER_START event and other miscellaneous issues
Date Thu, 09 Jun 2016 05:59:21 GMT

    [ https://issues.apache.org/jira/browse/YARN-5210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15321955#comment-15321955
] 

Joep Rottinghuis commented on YARN-5210:
----------------------------------------

Yeah, we need to also discuss whether YARN-5170 should go in. I think patch is very close,
but still needs to be reviewed.
I've been reviewing YARN-5070. I think that we're getting close...

> NPE in Distributed Shell while publishing DS_CONTAINER_START event and other miscellaneous
issues
> -------------------------------------------------------------------------------------------------
>
>                 Key: YARN-5210
>                 URL: https://issues.apache.org/jira/browse/YARN-5210
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>    Affects Versions: YARN-2928
>            Reporter: Varun Saxena
>            Assignee: Varun Saxena
>              Labels: yarn-2928-1st-milestone
>         Attachments: YARN-5210-YARN-2928.01.patch
>
>
> Found a couple of issues while testing ATSv2.
> * There is a NPE while publishing DS_CONTAINER_START_EVENT which in turn means that this
event is not published.
> {noformat}
> 2016-06-07 23:19:00,020 [org.apache.hadoop.yarn.client.api.async.impl.NMClientAsyncImpl
#0] INFO org.apache.hadoop.yarn.client.api.async.impl.NMClientAsyncImpl: Unchecked exception
is thrown from onContainerStarted for Container container_e77_1465311876353_0007_01_000002
> java.lang.NullPointerException
>         at org.apache.hadoop.yarn.client.api.impl.TimelineClientImpl.putEntities(TimelineClientImpl.java:389)
>         at org.apache.hadoop.yarn.applications.distributedshell.ApplicationMaster.putContainerEntity(ApplicationMaster.java:1284)
>         at org.apache.hadoop.yarn.applications.distributedshell.ApplicationMaster.publishContainerStartEvent(ApplicationMaster.java:1235)
>         at org.apache.hadoop.yarn.applications.distributedshell.ApplicationMaster.access$1200(ApplicationMaster.java:175)
>         at org.apache.hadoop.yarn.applications.distributedshell.ApplicationMaster$NMCallbackHandler.onContainerStarted(ApplicationMaster.java:986)
>         at org.apache.hadoop.yarn.client.api.async.impl.NMClientAsyncImpl$StatefulContainer$StartContainerTransition.transition(NMClientAsyncImpl.java:454)
>         at org.apache.hadoop.yarn.client.api.async.impl.NMClientAsyncImpl$StatefulContainer$StartContainerTransition.transition(NMClientAsyncImpl.java:436)
>         at org.apache.hadoop.yarn.state.StateMachineFactory$MultipleInternalArc.doTransition(StateMachineFactory.java:385)
>         at org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:302)
>         at org.apache.hadoop.yarn.state.StateMachineFactory.access$300(StateMachineFactory.java:46)
>         at org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:448)
>         at org.apache.hadoop.yarn.client.api.async.impl.NMClientAsyncImpl$StatefulContainer.handle(NMClientAsyncImpl.java:617)
>         at org.apache.hadoop.yarn.client.api.async.impl.NMClientAsyncImpl$ContainerEventProcessor.run(NMClientAsyncImpl.java:676)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>         at java.lang.Thread.run(Thread.java:745)
> {noformat}
> * Created time is not reported from distributed shell for both DS_CONTAINER and DS_APP_ATTEMPT
entities. 
> As can be seen below, when we query DS_APP_ATTEMPT entities, we do not get createdtime
in response.
> {code}
>   [
>     {
>       "metrics": [ ],
>       "events": [ ],
>       "type": "DS_APP_ATTEMPT",
>       "id": "appattempt_1465246237936_0003_000001",
>       "isrelatedto": { },
>       "relatesto": { },
>       "info": {
>         "UID": "yarn-cluster!application_1465246237936_0003!DS_APP_ATTEMPT!appattempt_1465246237936_0003_000001"
>       },
>       "configs": { }
>     }
>   ]
> {code}
> As can be seen from response received upon querying a DS_CONTAINER entity we can see
that createdtime is not present and DS_CONTAINER_START is not present either(due to NPE pointed
above).
> {code}
>   {
>     "metrics": [ ],
>     "events": [
>       {
>         "id": "DS_CONTAINER_END",
>         "timestamp": 1465314587480,
>         "info": {
>           "Exit Status": 0,
>           "State": "COMPLETE"
>         }
>       }
>     ],
>     "type": "DS_CONTAINER",
>     "id": "container_e77_1465311876353_0003_01_000002",
>     "isrelatedto": { },
>     "relatesto": { },
>     "info": {
>       "UID": "yarn-cluster!application_1465311876353_0003!DS_CONTAINER!container_e77_1465311876353_0003_01_000002"
>     },
>     "configs": { }
>   }
> {code}



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