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