[jira] [Resolved] (MAPREDUCE-4678) Running the Pentomino example with defaults throws java.lang.NegativeArraySizeException

["Harsh J (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4678?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Harsh J resolved MAPREDUCE-4678.
--------------------------------

          Resolution: Fixed
       Fix Version/s: 3.0.0
    Target Version/s:   (was: 3.0.0)

Thanks for the patch Chris, I've committed it to trunk. Hope to see more contributions in the future :)
                
> Running the Pentomino example with defaults throws java.lang.NegativeArraySizeException
> ---------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4678
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4678
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: examples
>    Affects Versions: 2.0.0-alpha
>            Reporter: Chris McConnell
>            Priority: Minor
>             Fix For: 3.0.0
>
>         Attachments: MAPREDUCE-4678.patch, MAPREDUCE-4678.patch.txt
>
>
> HADOOP_HOME/hadoop-examples.jar pentomino <output_dir> will fail with the following error message: 
> INFO util.NativeCodeLoader: Loaded the native-hadoop library 
> INFO mapred.FileInputFormat: Total input paths to process : 1 
> INFO mapred.JobClient: Running job: job_xxxxx
> INFO mapred.JobClient: map 0% reduce 0% 
> INFO mapred.JobClient: Task Id : attempt_xxxx, Status : FAILED 
> java.lang.NegativeArraySizeException 
> at org.apache.hadoop.examples.dancing.DistributedPentomino$PentMap.map(Di 
> stributedPentomino.java:95) 
> at org.apache.hadoop.examples.dancing.DistributedPentomino$PentMap.map(Di 
> stributedPentomino.java:51) 
> at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:50) 
> at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:391) 
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:325) 
> at org.apache.hadoop.mapred.Child$4.run(Child.java:270) 
> at java.security.AccessController.doPrivileged(Native Method) 
> at javax.security.auth.Subject.doAs(Subject.java:396) 
> at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformat 
> ion.java:1177) 
> at org.apache.hadoop.mapred.Child.main(Child.java:264)

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