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From "xiajunluan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-190) Issues when running distributedShell example in hadoop-2.0.1-alpha cluster
Date Tue, 30 Oct 2012 11:20:12 GMT
xiajunluan created YARN-190:

             Summary: Issues when running distributedShell example in hadoop-2.0.1-alpha cluster
                 Key: YARN-190
                 URL: https://issues.apache.org/jira/browse/YARN-190
             Project: Hadoop YARN
          Issue Type: Bug
          Components: applications/distributed-shell
    Affects Versions: 2.0.1-alpha
         Environment: ubuntu 11.04
            Reporter: xiajunluan
            Priority: Critical

  I have successfully run distributed Shell example in single node that deployed the hadoop-2.0.1-alpha.
  But when I run distributedShell in cluster environment, sometimes it works well, but sometimes
it will failed, following is my detail configuration
         A: NameNode, ResourceManager
         B: DataNode, NodeManager
         C: DataNode, NodeManager

   I run the distributedShell with command 
    “./bin/hadoop jar share/hadoop/mapreduce/hadoop-yarn-applications-distributedshell-2.0.1-alpha.jar
org.apache.hadoop.yarn.applications.distributedshell.Client -jar share/hadoop/mapreduce/hadoop-yarn-applications-distributedshell-2.0.1-alpha.jar
-shell_command whoami  -debug”
   When application master is launched, it will create the container to run shell command
“whoami”, so application master will run on node B or C, and container will also randomly
run on B or C, if application master and shell command container run on the same node(for
example all on node B), above command will run successfully, but if in different node, that
is to say, if application master launched successfully in node B and it create the container
that will run on node C, I will receive the error message:

12/10/29 19:18:02 INFO distributedshell.Client: Application did finished unsuccessfully. YarnState=FINISHED,
DSFinalStatus=FAILED. Breaking monitoring loop
12/10/29 19:18:02 ERROR distributedshell.Client: Application failed to complete successfully”

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