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From Josh Wills <jwi...@cloudera.com>
Subject Re: Crunch Errors while running jobs on YARN
Date Thu, 08 Aug 2013 12:56:32 GMT
Hey Matt,

It looks like this is the problem:
https://issues.apache.org/jira/browse/MAPREDUCE-4442

Is it causing the job to fail? We could add a similar workaround to the one
described in the JIRA.

J


On Wed, Aug 7, 2013 at 5:37 PM, Matt Christiansen <admin@nikore.net> wrote:

> Hey guys, im getting this error while running a crunch job on our YARN
> cluster. It doesn't seem to be serious buts generating a lot of QA
> questions:
>
>
> ERROR exec.MRExecutor: Exception thrown fetching job counters for
> stage: com.rr.crunch.ads.KeyValuePairsAggregator:
>
> Avro(/QA/event_logs/2013_08_07/pixel_tracking)+S0+pre-distinct+GBK+post-distinct+S1+SeqFile(/tmp/crunch-1725623982/p1)
> java.io.IOException
>      at
> org.apache.hadoop.mapred.ClientServiceDelegate.invoke(ClientServiceDelegate.java:317)
>      at
> org.apache.hadoop.mapred.ClientServiceDelegate.getJobCounters(ClientServiceDelegate.java:337)
>      at
> org.apache.hadoop.mapred.YARNRunner.getJobCounters(YARNRunner.java:476)
>      at org.apache.hadoop.mapreduce.Job$8.run(Job.java:757)
>      at org.apache.hadoop.mapreduce.Job$8.run(Job.java:754)
>      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:1408)
>      at org.apache.hadoop.mapreduce.Job.getCounters(Job.java:754)
>      at
> org.apache.crunch.impl.mr.exec.MRExecutor.execute(MRExecutor.java:69)
>      at org.apache.crunch.impl.mr.MRPipeline.run(MRPipeline.java:153)
>      at
> com.rr.crunch.ads.KeyValuePairsAggregator.process(KeyValuePairsAggregator.java:79)
>      at
> com.rr.crunch.ads.KeyValuePairsAggregator.main(KeyValuePairsAggregator.java:63)
>
> This is with crunch 0.5.0 but I have tried 0.7.0 and get the same
> general error (no message about it being job counters but same strack
> trace and in the code its at the job.getJob().getCounters() part) I
> have tried both the hadoop-1 and hadoop-2 jars; I was wondering if any
> one had come acrossed this before or had any idea
>



-- 
Director of Data Science
Cloudera <http://www.cloudera.com>
Twitter: @josh_wills <http://twitter.com/josh_wills>

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