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Posted to mapreduce-dev@hadoop.apache.org by "shenxianqiang (JIRA)" <ji...@apache.org> on 2016/10/28 05:13:58 UTC
[jira] [Created] (MAPREDUCE-6805) Negative Array Exception while
reducer fetch mapper output
shenxianqiang created MAPREDUCE-6805:
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Summary: Negative Array Exception while reducer fetch mapper output
Key: MAPREDUCE-6805
URL: https://issues.apache.org/jira/browse/MAPREDUCE-6805
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: mrv2
Affects Versions: 2.6.0
Environment: CHD5.7.0
Reporter: shenxianqiang
Priority: Minor
MapReduce job stuck with a Negative Array Size exception thrown by the reducer,lead to MR job failed
stack trace:
{quote}
2016-10-28 08:01:16,882 WARN [main] org.apache.hadoop.security.UserGroupInformation: PriviledgedActionException as:web_vr (auth:SIMPLE) cause:org.apache.hadoop.mapreduce.task.reduce.Shuffle$ShuffleError: error in shuffle in fetcher#3
2016-10-28 08:01:16,883 WARN [main] org.apache.hadoop.mapred.YarnChild: Exception running child : org.apache.hadoop.mapreduce.task.reduce.Shuffle$ShuffleError: error in shuffle in fetcher#3
at org.apache.hadoop.mapreduce.task.reduce.Shuffle.run(Shuffle.java:134)
at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:376)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:164)
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:1930)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Caused by: java.lang.NegativeArraySizeException
at org.apache.hadoop.io.BoundedByteArrayOutputStream.<init>(BoundedByteArrayOutputStream.java:56)
at org.apache.hadoop.io.BoundedByteArrayOutputStream.<init>(BoundedByteArrayOutputStream.java:46)
at org.apache.hadoop.mapreduce.task.reduce.InMemoryMapOutput.<init>(InMemoryMapOutput.java:63)
at org.apache.hadoop.mapreduce.task.reduce.MergeManagerImpl.unconditionalReserve(MergeManagerImpl.java:305)
at org.apache.hadoop.mapreduce.task.reduce.MergeManagerImpl.reserve(MergeManagerImpl.java:295)
at org.apache.hadoop.mapreduce.task.reduce.Fetcher.copyMapOutput(Fetcher.java:514)
at org.apache.hadoop.mapreduce.task.reduce.Fetcher.copyFromHost(Fetcher.java:336)
at org.apache.hadoop.mapreduce.task.reduce.Fetcher.run(Fetcher.java:193)
{quote}
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