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