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From "Gera Shegalov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-6240) Hadoop client displays confusing error message
Date Mon, 29 Jun 2015 05:26:05 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-6240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gera Shegalov updated MAPREDUCE-6240:
-------------------------------------
    Affects Version/s: 2.7.0
     Target Version/s: 2.8.0
               Status: Patch Available  (was: Open)

> Hadoop client displays confusing error message
> ----------------------------------------------
>
>                 Key: MAPREDUCE-6240
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6240
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 2.7.0
>            Reporter: Mohammad Kamrul Islam
>            Assignee: Gera Shegalov
>         Attachments: MAPREDUCE-6240-gera.001.patch, MAPREDUCE-6240-gera.001.patch, MAPREDUCE-6240-gera.002.patch,
MAPREDUCE-6240.003.patch, MAPREDUCE-6240.1.patch
>
>
> Hadoop client often throws exception  with "java.io.IOException: Cannot initialize Cluster.
Please check your configuration for mapreduce.framework.name and the correspond server addresses".
> This is a misleading and generic message for any cluster initialization problem. It takes
a lot of debugging hours to identify the root cause. The correct error message could resolve
this problem quickly.
> In one such instance, Oozie log showed the following exception  while the root cause
was CNF  that Hadoop client didn't return in the exception.
> {noformat}
>  JA009: Cannot initialize Cluster. Please check your configuration for mapreduce.framework.name
and the correspond server addresses.
>         at org.apache.oozie.action.ActionExecutor.convertExceptionHelper(ActionExecutor.java:412)
>         at org.apache.oozie.action.ActionExecutor.convertException(ActionExecutor.java:392)
>         at org.apache.oozie.action.hadoop.JavaActionExecutor.submitLauncher(JavaActionExecutor.java:979)
>         at org.apache.oozie.action.hadoop.JavaActionExecutor.start(JavaActionExecutor.java:1134)
>         at org.apache.oozie.command.wf.ActionStartXCommand.execute(ActionStartXCommand.java:228)
>         at org.apache.oozie.command.wf.ActionStartXCommand.execute(ActionStartXCommand.java:63)
>         at org.apache.oozie.command.XCommand.call(XCommand.java:281)
>         at org.apache.oozie.service.CallableQueueService$CompositeCallable.call(CallableQueueService.java:323)
>         at org.apache.oozie.service.CallableQueueService$CompositeCallable.call(CallableQueueService.java:252)
>         at org.apache.oozie.service.CallableQueueService$CallableWrapper.run(CallableQueueService.java:174)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:744)
> Caused by: java.io.IOException: Cannot initialize Cluster. Please check your configuration
for mapreduce.framework.name and the correspond server addresses.
>         at org.apache.hadoop.mapreduce.Cluster.initialize(Cluster.java:120)
>         at org.apache.hadoop.mapreduce.Cluster.<init>(Cluster.java:82)
>         at org.apache.hadoop.mapreduce.Cluster.<init>(Cluster.java:75)
>         at org.apache.hadoop.mapred.JobClient.init(JobClient.java:470)
>         at org.apache.hadoop.mapred.JobClient.<init>(JobClient.java:449)
>         at org.apache.oozie.service.HadoopAccessorService$1.run(HadoopAccessorService.java:372)
>         at org.apache.oozie.service.HadoopAccessorService$1.run(HadoopAccessorService.java:370)
>         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:1548)
>         at org.apache.oozie.service.HadoopAccessorService.createJobClient(HadoopAccessorService.java:379)
>         at org.apache.oozie.action.hadoop.JavaActionExecutor.createJobClient(JavaActionExecutor.java:1185)
>         at org.apache.oozie.action.hadoop.JavaActionExecutor.submitLauncher(JavaActionExecutor.java:927)
>  ... 10 more
> {noformat}



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