[ 
https://issues.apache.org/jira/browse/YARN-945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13714266#comment-13714266
 ] 

Hitesh Shah commented on YARN-945:
----------------------------------

am log has:

{code}
2013-07-19 17:26:28,837 DEBUG [main] org.apache.hadoop.service.AbstractService: 
noteFailure org.apache.hadoop.yarn.exceptions.YarnRuntimeException: 
org.apache.hadoop.security.AccessControlException: SIMPLE authentication is not 
enabled.  Available:[TOKEN]
2013-07-19 17:26:28,837 INFO [main] org.apache.hadoop.service.AbstractService: 
Service org.apache.hadoop.mapreduce.v2.app.MRAppMaster failed in state STARTED; 
cause: org.apache.hadoop.yarn.exceptions.YarnRuntimeException: 
org.apache.hadoop.security.AccessControlException: SIMPLE authentication is not 
enabled.  Available:[TOKEN]
org.apache.hadoop.yarn.exceptions.YarnRuntimeException: 
org.apache.hadoop.security.AccessControlException: SIMPLE authentication is not 
enabled.  Available:[TOKEN]
        at 
org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator.register(RMCommunicator.java:159)
        at 
org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator.serviceStart(RMCommunicator.java:107)
        at 
org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator.serviceStart(RMContainerAllocator.java:213)
        at 
org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
        at 
org.apache.hadoop.mapreduce.v2.app.MRAppMaster$ContainerAllocatorRouter.serviceStart(MRAppMaster.java:789)
        at 
org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
        at 
org.apache.hadoop.service.CompositeService.serviceStart(CompositeService.java:101)
        at 
org.apache.hadoop.mapreduce.v2.app.MRAppMaster.serviceStart(MRAppMaster.java:1019)
        at 
org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
        at 
org.apache.hadoop.mapreduce.v2.app.MRAppMaster$1.run(MRAppMaster.java:1401)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:396)
        at 
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1493)
        at 
org.apache.hadoop.mapreduce.v2.app.MRAppMaster.initAndStartAppMaster(MRAppMaster.java:1397)
        at 
org.apache.hadoop.mapreduce.v2.app.MRAppMaster.main(MRAppMaster.java:1330)
Caused by: org.apache.hadoop.security.AccessControlException: SIMPLE 
authentication is not enabled.  Available:[TOKEN]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at 
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at 
org.apache.hadoop.yarn.ipc.RPCUtil.instantiateException(RPCUtil.java:53)
        at 
org.apache.hadoop.yarn.ipc.RPCUtil.unwrapAndThrowException(RPCUtil.java:104)
        at 
org.apache.hadoop.yarn.api.impl.pb.client.ApplicationMasterProtocolPBClientImpl.registerApplicationMaster(ApplicationMasterProtocolPBClientImpl.java:109)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at 
org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:175)
        at 
org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:94)
        at com.sun.proxy.$Proxy29.registerApplicationMaster(Unknown Source)
        at 
org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator.register(RMCommunicator.java:147)
        ... 14 more
Caused by: 
org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.security.AccessControlException):
 SIMPLE authentication is not enabled.  Available:[TOKEN]
        at org.apache.hadoop.ipc.Client.call(Client.java:1433)
        at org.apache.hadoop.ipc.Client.call(Client.java:1385)
        at 
org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:206)
        at com.sun.proxy.$Proxy28.registerApplicationMaster(Unknown Source)
        at 
org.apache.hadoop.yarn.api.impl.pb.client.ApplicationMasterProtocolPBClientImpl.registerApplicationMaster(ApplicationMasterProtocolPBClientImpl.java:106)

{code}
                
> AM register failing after AMRMToken
> -----------------------------------
>
>                 Key: YARN-945
>                 URL: https://issues.apache.org/jira/browse/YARN-945
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Bikas Saha
>            Assignee: Vinod Kumar Vavilapalli
>         Attachments: nm.log, rm.log, yarn-site.xml
>
>
> 509 2013-07-19 15:53:55,569 INFO org.apache.hadoop.ipc.Server: IPC Server 
> listener on 54313: readAndProcess from client 127.0.0.1       threw exception 
> [org.apache.hadoop.security.AccessControlException: SIMPLE authentication is 
> not enabled.  Available:[TOKEN]]
> 510 org.apache.hadoop.security.AccessControlException: SIMPLE authentication 
> is not enabled.  Available:[TOKEN]
> 511   at 
> org.apache.hadoop.ipc.Server$Connection.initializeAuthContext(Server.java:1531)
> 512   at 
> org.apache.hadoop.ipc.Server$Connection.readAndProcess(Server.java:1482)
> 513   at org.apache.hadoop.ipc.Server$Listener.doRead(Server.java:788)
> 514   at 
> org.apache.hadoop.ipc.Server$Listener$Reader.doRunLoop(Server.java:587)
> 515   at org.apache.hadoop.ipc.Server$Listener$Reader.run(Server.java:562)

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