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https://issues.apache.org/jira/browse/YARN-3731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14562279#comment-14562279
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Rohith commented on YARN-3731:
------------------------------

Hi [~amitmsbi]
Thanks for using Hadoop. You are trying to access the log link where the 
application master itself never launched. From the diagnosis message, it is 
clear that application is not launched. So first and formost, you need to check 
the application mater that why it is not launched. There would be some 
application configuration or classpath issue which you can get it from syserr 
container logs.

And JIRA is meant for tracking development activities.For queries kinldy 
register to [mailing list|https://hadoop.apache.org/mailing_lists.html] and 
send mail to users mailing list i.e {{u...@hadoop.apache.org}}. Definitely 
folks will help you to solve or answer your queries.

> Unknown container. Container either has not started or has already completed 
> or doesn’t belong to this node at all. 
> --------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-3731
>                 URL: https://issues.apache.org/jira/browse/YARN-3731
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: amit
>            Priority: Critical
>
> Hi 
> I am importing data from sql server to hdfs and below is the command
> sqoop import –connect 
> “jdbc:sqlserver://Servername:1433;username=hadoop;password=Password;database=MSBI”
>  –table DimDate –target-dir /Hadoop/hdpdatadn/dn/DW/msbi
> but I am getting following error:
> User: amit.tomar
>  Name: DimDate.jar
>  Application Type: MAPREDUCE
>  Application Tags:
>  State: FAILED
>  FinalStatus: FAILED
>  Started: Wed May 27 12:39:48 +0800 2015
>  Elapsed: 23sec
>  Tracking URL: History
>  Diagnostics: Application application_1432698911303_0005 failed 2 times due 
> to AM Container for appattempt_1432698911303_0005_000002 exited with 
> exitCode: 1
>  For more detailed output, check application tracking 
> page:http://ServerName/proxy/application_1432698911303_0005/Then, click on 
> links to logs of each attempt.
>  Diagnostics: Exception from container-launch.
>  Container id: container_1432698911303_0005_02_000001
>  Exit code: 1
>  Stack trace: ExitCodeException exitCode=1:
>  at org.apache.hadoop.util.Shell.runCommand(Shell.java:538)
>  at org.apache.hadoop.util.Shell.run(Shell.java:455)
>  at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:715)
>  at 
> org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.launchContainer(DefaultContainerExecutor.java:212)
>  at 
> org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:302)
>  at 
> org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:82)
>  at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>  at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  at java.lang.Thread.run(Thread.java:745)
>  Shell output: 1 file(s) moved.
>  Container exited with a non-zero exit code 1
>  Failing this attempt. Failing the application. 
> From the log below is the message:
> java.lang.Exception: Unknown container. Container either has not started or 
> has already completed or doesn’t belong to this node at all. 
> Thanks in advance
> 



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