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From "jincheng (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-15452) Snappy Decpmpressor met ArrayIndexOutOfBoundsException when reduce task fetch map output data
Date Wed, 09 May 2018 11:54:00 GMT

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

jincheng updated HADOOP-15452:
------------------------------
    Description: 
RT, when reducers tasks fetch  data from mapper tasks, it met ArrayIndexOutOfBoundsException,
here is stackTrace:
{code:java}
Error: 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?

  was:
RT, when reducers tasks fetch  data from mapper tasks, it met ArrayIndexOutOfBoundsException,
here is stackTrace:
{code:java}
// code placeholder
{code}
Error: 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)

 

Anyone has ideas?


> 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
>            Priority: Major
>
> RT, when reducers tasks fetch  data from mapper tasks, it met ArrayIndexOutOfBoundsException,
here is stackTrace:
> {code:java}
> Error: 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?



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