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From Akhil Das <ak...@sigmoidanalytics.com>
Subject Re: Timeout Exception in standalone cluster
Date Tue, 06 Jan 2015 08:14:05 GMT
That's an issue with your firewall (more likely hostnames issue in
/etc/hosts), You may find the following posts helpful

-
http://stackoverflow.com/questions/27039954/intermittent-timeout-exception-using-spark

-
http://koobehub.wordpress.com/2014/09/29/spark-the-standalone-cluster-deployment/

Thanks
Best Regards

On Tue, Jan 6, 2015 at 12:13 AM, rajnish <rajnish.garg27@gmail.com> wrote:

> Hi,
>
> I am getting following exception in Spark (1.1.0) Job that is running on
> "Standalone Cluster". My cluster configuration is:
>
> Intel(R)  2.50GHz 4 Core
> 16 GB RAM
> 5 Machines.
>
> Exception in thread "main" java.lang.reflect.UndeclaredThrowableException:
> Unknown exception in doAs
>         at
>
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1134)
>         at
>
> org.apache.spark.deploy.SparkHadoopUtil.runAsSparkUser(SparkHadoopUtil.scala:52)
>         at
>
> org.apache.spark.executor.CoarseGrainedExecutorBackend$.run(CoarseGrainedExecutorBackend.scala:113)
>         at
>
> org.apache.spark.executor.CoarseGrainedExecutorBackend$.main(CoarseGrainedExecutorBackend.scala:156)
>         at
>
> org.apache.spark.executor.CoarseGrainedExecutorBackend.main(CoarseGrainedExecutorBackend.scala)
> Caused by: java.security.PrivilegedActionException:
> java.util.concurrent.TimeoutException: Futures timed out after [30 seconds]
>         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:1121)
>         ... 4 more
> Caused by: java.util.concurrent.TimeoutException: Futures timed out after
> [30 seconds]
>         at
> scala.concurrent.impl.Promise$DefaultPromise.ready(Promise.scala:219)
>
>
>
> --
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