[jira] Commented: (MAPREDUCE-2121) TestControlledMapReduceJob times out on trunk.

["Todd Lipcon (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12978064#action_12978064 ] 

Todd Lipcon commented on MAPREDUCE-2121:
----------------------------------------

This is a regression due to HADOOP-6856, I believe. The SequenceFile.createWriter call no longer uses the {{fs}} parameter, so the signal files are getting created on the local FS instead of HDFS.

> TestControlledMapReduceJob times out on trunk.
> ----------------------------------------------
>
>                 Key: MAPREDUCE-2121
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2121
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.21.0
>            Reporter: Amareshwari Sriramadasu
>            Assignee: Todd Lipcon
>            Priority: Blocker
>             Fix For: 0.22.0
>
>
> TestControlledMapReduceJob times out on trunk. Logs show the following ArrayIndexOutOfBoundsException:
> {noformat} 
> java.lang.ArrayIndexOutOfBoundsException: 0
>     [junit]     at org.apache.hadoop.mapred.ControlledMapReduceJob.map(ControlledMapReduceJob.java:302)
>     [junit]     at org.apache.hadoop.mapred.ControlledMapReduceJob.map(ControlledMapReduceJob.java:60)
>     [junit]     at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54)
>     [junit]     at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:397)
>     [junit]     at org.apache.hadoop.mapred.MapTask.run(MapTask.java:330)
>     [junit]     at org.apache.hadoop.mapred.Child$4.run(Child.java:223)
>     [junit]     at java.security.AccessController.doPrivileged(Native Method)
>     [junit]     at javax.security.auth.Subject.doAs(Subject.java:396)
>     [junit]     at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1114)
>     [junit]     at org.apache.hadoop.mapred.Child.main(Child.java:217)
> {noformat}

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