xiajunluan created YARN-190:
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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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