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MapReduce >> mail # user >> Re: Authentication issue on Hadoop 2.2.0


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Re: Authentication issue on Hadoop 2.2.0
I forgot to mention that the wordcount pipes example runs successfully.
On 18 December 2013 10:50, Silvina Caíno Lores <[EMAIL PROTECTED]>wrote:

> Hi everyone,
>
> I'm working with a single node cluster and a Hadoop Pipes job that throws
> the following exception on execution:
>
> 13/12/18 10:44:55 INFO mapreduce.Job: Running job: job_1387359324416_0002
> 13/12/18 10:45:03 INFO mapreduce.Job: Job job_1387359324416_0002 running
> in uber mode : false
> 13/12/18 10:45:03 INFO mapreduce.Job: map 0% reduce 0%
> 13/12/18 10:45:08 INFO mapreduce.Job: Task Id :
> attempt_1387359324416_0002_m_000000_0, Status : FAILED
> Error: java.io.IOException
> at
> org.apache.hadoop.mapred.pipes.OutputHandler.waitForAuthentication(OutputHandler.java:186)
> at
> org.apache.hadoop.mapred.pipes.Application.waitForAuthentication(Application.java:195)
> at org.apache.hadoop.mapred.pipes.Application.<init>(Application.java:150)
> at
> org.apache.hadoop.mapred.pipes.PipesMapRunner.run(PipesMapRunner.java:69)
> at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:430)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:342)
> at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:171)
> 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:1515)
> at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:166)
>
> /// same exception several times ///
>
> 13/12/18 10:45:25 INFO mapreduce.Job: map 93% reduce 0%
> 13/12/18 10:45:26 INFO mapreduce.Job: map 100% reduce 100%
> 13/12/18 10:45:26 INFO mapreduce.Job: Job job_1387359324416_0002 failed
> with state FAILED due to: Task failed task_1387359324416_0002_m_000000
> Job failed as tasks failed. failedMaps:1 failedReduces:0
>
>
> I don't really get why the job is at 100% if it actually failed by the way.
>
> Any ideas? Thanks in advance!
>
> Best,
> Silvina
>
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