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https://issues.apache.org/jira/browse/YARN-5918?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15681258#comment-15681258
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Varun Saxena commented on YARN-5918:
------------------------------------
Thanks Bibin for reporting the issue. Can you add a test case here ?
> Opportunistic scheduling allocate request failure when NM lost
> --------------------------------------------------------------
>
> Key: YARN-5918
> URL: https://issues.apache.org/jira/browse/YARN-5918
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Bibin A Chundatt
> Assignee: Bibin A Chundatt
> Attachments: YARN-5918.0001.patch
>
>
> Allocate request failure during Opportunistic container allocation when
> nodemanager is lost
> {noformat}
> 2016-11-20 10:38:49,011 INFO
> org.apache.hadoop.yarn.server.resourcemanager.RMAuditLogger: USER=root
> OPERATION=AM Released Container TARGET=SchedulerApp RESULT=SUCCESS
> APPID=application_1479637990302_0002
> CONTAINERID=container_e12_1479637990302_0002_01_000006
> RESOURCE=<memory:1024, vCores:1>
> 2016-11-20 10:38:49,011 INFO
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler:
> Removed node docker2:38297 clusterResource: <memory:4096, vCores:8>
> 2016-11-20 10:38:49,434 WARN org.apache.hadoop.ipc.Server: IPC Server handler
> 7 on 8030, call Call#35 Retry#0
> org.apache.hadoop.yarn.api.ApplicationMasterProtocolPB.allocate from
> 172.17.0.2:51584
> java.lang.NullPointerException
> at
> org.apache.hadoop.yarn.server.resourcemanager.OpportunisticContainerAllocatorAMService.convertToRemoteNode(OpportunisticContainerAllocatorAMService.java:420)
> at
> org.apache.hadoop.yarn.server.resourcemanager.OpportunisticContainerAllocatorAMService.convertToRemoteNodes(OpportunisticContainerAllocatorAMService.java:412)
> at
> org.apache.hadoop.yarn.server.resourcemanager.OpportunisticContainerAllocatorAMService.getLeastLoadedNodes(OpportunisticContainerAllocatorAMService.java:402)
> at
> org.apache.hadoop.yarn.server.resourcemanager.OpportunisticContainerAllocatorAMService.allocate(OpportunisticContainerAllocatorAMService.java:236)
> 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$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:467)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:990)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:846)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:789)
> 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:1857)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2539)
> 2016-11-20 10:38:50,824 INFO
> org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerImpl:
> container_e12_1479637990302_0002_01_000002 Container Transitioned from
> RUNNING to COMPLETED
> {noformat}
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