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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5297) Avoid printing a stack trace when recovering an app after the RM restarts
Date Mon, 11 Jul 2016 01:30:11 GMT

    [ https://issues.apache.org/jira/browse/YARN-5297?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15370058#comment-15370058
] 

Junping Du commented on YARN-5297:
----------------------------------

Thanks [~varun_saxena] for review and commit. I think it is OK to go to branch-2.9 given this
is not a critical issue.

> Avoid printing a stack trace when recovering an app after the RM restarts
> -------------------------------------------------------------------------
>
>                 Key: YARN-5297
>                 URL: https://issues.apache.org/jira/browse/YARN-5297
>             Project: Hadoop YARN
>          Issue Type: Task
>            Reporter: Siddharth Seth
>            Assignee: Junping Du
>             Fix For: 2.9.0
>
>         Attachments: YARN-5297-v2.patch, YARN-5297.patch
>
>
> The exception trace is unnecessary, and can cause confusion.
> {code}
> 2016-06-16 22:02:54,262 INFO  ipc.Server (Server.java:logException(2401)) - IPC Server
handler 0 on 8030, call org.apache.hadoop.yarn.api.ApplicationMasterProtocolPB.allocate from
172.22.79.149:42698 Call#2241 Retry#0
> org.apache.hadoop.yarn.exceptions.ApplicationMasterNotRegisteredException: AM is not
registered for known application attempt: appattempt_1466112179488_0001_000001 or RM had restarted
after AM registered . AM should re-register.
>   at org.apache.hadoop.yarn.server.resourcemanager.ApplicationMasterService.allocate(ApplicationMasterService.java:454)
>   at org.apache.hadoop.yarn.api.impl.pb.service.ApplicationMasterProtocolPBServiceImpl.allocate(ApplicationMasterProtocolPBServiceImpl.java:60)
>   at org.apache.hadoop.yarn.proto.ApplicationMasterProtocol$ApplicationMasterProtocolService$2.callBlockingMethod(ApplicationMasterProtocol.java:99)
>   at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:640)
>   at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:969)
>   at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2313)
>   at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2309)
>   at java.security.AccessController.doPrivileged(Native Method)
>   at javax.security.auth.Subject.doAs(Subject.java:422)
>   at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1724)
>   at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2307)
> {code}
> cc [~djp]



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