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From "Hitesh Sharma (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5162) Exceptions thrown during AM registerAM call when Distributed Scheduling is Enabled
Date Thu, 26 May 2016 16:48:14 GMT

    [ https://issues.apache.org/jira/browse/YARN-5162?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15302394#comment-15302394
] 

Hitesh Sharma commented on YARN-5162:
-------------------------------------

On further debugging, there seems to be three issues:

# It is seen that this is caused due to the {{SchedulerSecurityInfo}} class disallowing all
protocols except the ApplicationMasterProtocol.
# Once that was fixed, it was noticed that the AM always dies with a {{NullPointerException}},
since the {{DistSchedRegisterResponse}} did not contain a min and incr allocation capability
# Finally, it looks like the {{finishApplicationMaster}} call does not work. This seems to
be because the method is not declared in the proto file.

> Exceptions thrown during AM registerAM call when Distributed Scheduling is Enabled
> ----------------------------------------------------------------------------------
>
>                 Key: YARN-5162
>                 URL: https://issues.apache.org/jira/browse/YARN-5162
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Arun Suresh
>            Assignee: Hitesh Sharma
>
> The following Exception is seen and the AM fails to register with RM:
> {noformat}
> 16/05/24 17:09:26 INFO ipc.Server: Auth successful for appattempt_1464108777756_0001_000001
(auth:SIMPLE)
> 16/05/24 17:09:26 INFO amrmproxy.AMRMProxyService: Registering application master. Host:
Port:0 Tracking Url:
> 16/05/24 17:09:26 INFO amrmproxy.DefaultRequestInterceptor: Forwarding registration request
to the real YARN RM
> 16/05/24 17:09:26 DEBUG nodemanager.NodeStatusUpdaterImpl: Node's health-status : true,
> 16/05/24 17:09:26 DEBUG nodemanager.NodeStatusUpdaterImpl: Sending out 1 container statuses:
[ContainerStatus: [ContainerId: container_1464108777756_0001_01_000
> 001, ExecutionType: GUARANTEED, State: RUNNING, Capability: <memory:1024, vCores:1>,
Diagnostics: , ExitStatus: -1000, ]]
> 16/05/24 17:09:26 WARN ipc.Client: Exception encountered while connecting to the server
: org.apache.hadoop.security.AccessControlException: Client cannot authe
> nticate via:[TOKEN]
> {noformat}



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