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Posted to issues@tez.apache.org by "Mit Desai (JIRA)" <ji...@apache.org> on 2015/05/22 20:13:18 UTC
[jira] [Commented] (TEZ-2307) DAGAppMaster may still be in RUNNING
when DAG is finished
[ https://issues.apache.org/jira/browse/TEZ-2307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14556539#comment-14556539 ]
Mit Desai commented on TEZ-2307:
--------------------------------
[~zjffdu], is there a way of reproducing this?
> DAGAppMaster may still be in RUNNING when DAG is finished
> ---------------------------------------------------------
>
> Key: TEZ-2307
> URL: https://issues.apache.org/jira/browse/TEZ-2307
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Jeff Zhang
>
> It is possible that DAG is finished while DAGAppMaster is still in RUNNING, in this case the next submission of dag will cause the following error:
> {code}
> 2015-04-10 06:01:50,369 INFO [IPC Server handler 0 on 46821] ipc.Server (Server.java:run(2070)) - IPC Server handler 0 on 46821, call org.apache.tez.dag.api.client.rpc.DAGClientAMProtocolBlockingPB.submitDAG from 10.0.0.223:48581 Call#411 Retry#0
> org.apache.tez.dag.api.TezException: App master already running a DAG
> at org.apache.tez.dag.app.DAGAppMaster.submitDAGToAppMaster(DAGAppMaster.java:1131)
> at org.apache.tez.dag.api.client.DAGClientHandler.submitDAG(DAGClientHandler.java:118)
> at org.apache.tez.dag.api.client.rpc.DAGClientAMProtocolBlockingPBServerImpl.submitDAG(DAGClientAMProtocolBlockingPBServerImpl.java:163)
> at org.apache.tez.dag.api.client.rpc.DAGClientAMProtocolRPC$DAGClientAMProtocol$2.callBlockingMethod(DAGClientAMProtocolRPC.java:7471)
> at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:969)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2049)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2045)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:415)
> at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2043)
> {code}
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