[ 
https://issues.apache.org/jira/browse/HADOOP-15452?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Work on HADOOP-15452 started by Zsolt Venczel.
----------------------------------------------
> Snappy Decpmpressor met ArrayIndexOutOfBoundsException when reduce task fetch 
> map output data
> ---------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-15452
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15452
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: common
>    Affects Versions: 2.6.0
>         Environment: hadoop -2.6.0-cdh5.4.4
>            Reporter: jincheng
>            Assignee: Zsolt Venczel
>            Priority: Major
>
> RT, when reducers tasks fetch  data from mapper tasks, it met 
> ArrayIndexOutOfBoundsException, here is stackTrace:
> {code:java}
> org.apache.hadoop.mapred.YarnChild: Exception running child : 
> org.apache.hadoop.mapreduce.task.reduce.Shuffle$ShuffleError: error in 
> shuffle in fetcher#1
>       at org.apache.hadoop.mapreduce.task.reduce.Shuffle.run(Shuffle.java:134)
>       at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:379)
>       at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:165)
>       at java.security.AccessController.doPrivileged(Native Method)
>       at javax.security.auth.Subject.doAs(Subject.java:422)
>       at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1671)
>       at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:160)
> Caused by: java.lang.ArrayIndexOutOfBoundsException
>       at 
> org.apache.hadoop.io.compress.snappy.SnappyDecompressor.setInput(SnappyDecompressor.java:111)
>       at 
> org.apache.hadoop.io.compress.BlockDecompressorStream.decompress(BlockDecompressorStream.java:104)
>       at 
> org.apache.hadoop.io.compress.DecompressorStream.read(DecompressorStream.java:85)
>       at org.apache.hadoop.io.IOUtils.readFully(IOUtils.java:199)
>       at 
> org.apache.hadoop.mapreduce.task.reduce.InMemoryMapOutput.shuffle(InMemoryMapOutput.java:98)
>       at 
> org.apache.hadoop.mapreduce.task.reduce.Fetcher.copyMapOutput(Fetcher.java:549)
>       at 
> org.apache.hadoop.mapreduce.task.reduce.Fetcher.copyFromHost(Fetcher.java:346)
>       at org.apache.hadoop.mapreduce.task.reduce.Fetcher.run(Fetcher.java:202)
> {code}
>  
> Anyone has ideas?



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

---------------------------------------------------------------------
To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org
For additional commands, e-mail: common-issues-h...@hadoop.apache.org

Reply via email to