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https://issues.apache.org/jira/browse/TEZ-1961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14581320#comment-14581320
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Jeff Zhang commented on TEZ-1961:
---------------------------------
Thanks [~sseth] [~bikassaha], committed to branch-0.7 & master
> Remove misleading exception "No running dag" from AM logs
> ---------------------------------------------------------
>
> Key: TEZ-1961
> URL: https://issues.apache.org/jira/browse/TEZ-1961
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Siddharth Seth
> Assignee: Jeff Zhang
> Priority: Critical
> Fix For: 0.8.0, 0.7.1
>
> Attachments: TEZ-1961-1.patch, TEZ-1961-2.patch, TEZ-1961-3.patch,
> TEZ-1961-4.patch
>
>
> {code}
> 15/01/14 16:45:06 INFO ipc.Server: IPC Server handler 0 on 51000, call
> org.apache.tez.dag.api.client.rpc.DAGClientAMProtocolBlockingPB.getDAGStatus
> from Call#0 Retry#0
> org.apache.tez.dag.api.TezException: No running dag at present
> at
> org.apache.tez.dag.api.client.DAGClientHandler.getDAG(DAGClientHandler.java:84)
> at
> org.apache.tez.dag.api.client.DAGClientHandler.getACLManager(DAGClientHandler.java:151)
> at
> org.apache.tez.dag.api.client.rpc.DAGClientAMProtocolBlockingPBServerImpl.getDAGStatus(DAGClientAMProtocolBlockingPBServerImpl.java:94)
> at
> org.apache.tez.dag.api.client.rpc.DAGClientAMProtocolRPC$DAGClientAMProtocol$2.callBlockingMethod(DAGClientAMProtocolRPC.java:7375)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:617)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:962)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2041)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2037)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:415)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2035)
> 15/01/14 16:45:06 INFO client.DAGClientImpl: DAG initialized:
> CurrentState=Running
> {code}
> This exception shows up fairly often and isn't very relevant - queries before
> a DAG is submitted to the AM.
> This is very misleading, especially for folks new to Tez, and should be
> removed.
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