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From "Jian He (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5002) getApplicationReport call may raise NPE
Date Wed, 27 Apr 2016 19:53:12 GMT

    [ https://issues.apache.org/jira/browse/YARN-5002?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15260821#comment-15260821
] 

Jian He commented on YARN-5002:
-------------------------------

yeah, it is indeed confusing, earlier viewable  applications becomes not viewable if the queue
gets removed. I think the non-existing queue should be treated explicitly instead of imbedding
in the logic of access control. The fact that the queue is removed probably means the apps
in that queue is of less concern in terms of ACLs.  For this patch, I think I'll still return
true if queue does not exist for the sake of usability. 

> getApplicationReport call may raise NPE
> ---------------------------------------
>
>                 Key: YARN-5002
>                 URL: https://issues.apache.org/jira/browse/YARN-5002
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Sumana Sathish
>            Assignee: Jian He
>            Priority: Critical
>         Attachments: YARN-5002.1.patch, YARN-5002.2.patch, YARN-5002.3.patch
>
>
> getApplicationReport call may raise NPE
> {code}
> Exception in thread "main" java.lang.NullPointerException: java.lang.NullPointerException
>  org.apache.hadoop.yarn.server.resourcemanager.security.QueueACLsManager.checkAccess(QueueACLsManager.java:57)
>  org.apache.hadoop.yarn.server.resourcemanager.ClientRMService.checkAccess(ClientRMService.java:279)
>  org.apache.hadoop.yarn.server.resourcemanager.ClientRMService.getApplications(ClientRMService.java:760)
>  org.apache.hadoop.yarn.server.resourcemanager.ClientRMService.getApplications(ClientRMService.java:682)
>  org.apache.hadoop.yarn.api.impl.pb.service.ApplicationClientProtocolPBServiceImpl.getApplications(ApplicationClientProtocolPBServiceImpl.java:234)
>  org.apache.hadoop.yarn.proto.ApplicationClientProtocol$ApplicationClientProtocolService$2.callBlockingMethod(ApplicationClientProtocol.java:425)
>  org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
>  org.apache.hadoop.ipc.RPC$Server.call(RPC.java:969)
>  org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2268)
>  org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2264)
>  java.security.AccessController.doPrivileged(Native Method)
>  javax.security.auth.Subject.doAs(Subject.java:422)
>  org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1708)
>  org.apache.hadoop.ipc.Server$Handler.run(Server.java:2262)
>  sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>  sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
>  sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
>  java.lang.reflect.Constructor.newInstance(Constructor.java:423)
>  org.apache.hadoop.yarn.ipc.RPCUtil.instantiateException(RPCUtil.java:53)
>  org.apache.hadoop.yarn.ipc.RPCUtil.unwrapAndThrowException(RPCUtil.java:107)
>  org.apache.hadoop.yarn.api.impl.pb.client.ApplicationClientProtocolPBClientImpl.getApplications(ApplicationClientProtocolPBClientImpl.java:254)
>  sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>  sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>  sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  java.lang.reflect.Method.invoke(Method.java:498)
>  org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:256)
>  org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:104)
>  com.sun.proxy.$Proxy18.getApplications(Unknown Source)
>  org.apache.hadoop.yarn.client.api.impl.YarnClientImpl.getApplications(YarnClientImpl.java:479)
>  org.apache.hadoop.mapred.ResourceMgrDelegate.getAllJobs(ResourceMgrDelegate.java:135)
>  org.apache.hadoop.mapred.YARNRunner.getAllJobs(YARNRunner.java:167)
>  org.apache.hadoop.mapreduce.Cluster.getAllJobStatuses(Cluster.java:294)
>  org.apache.hadoop.mapreduce.tools.CLI.listJobs(CLI.java:553)
>  org.apache.hadoop.mapreduce.tools.CLI.run(CLI.java:338)
>  org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
>  org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:90)
>  org.apache.hadoop.mapred.JobClient.main(JobClient.java:1274)
> {code}



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