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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5663) MultithreadedTableMapper doesn't work.
Date Thu, 05 Apr 2012 00:55:20 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13246901#comment-13246901
] 

Hudson commented on HBASE-5663:
-------------------------------

Integrated in HBase-0.94-security #7 (See [https://builds.apache.org/job/HBase-0.94-security/7/])
    HBASE-5663 HBASE-5636 MultithreadedTableMapper doesn't work (Takuya Ueshin) (Revision
1308354)

     Result = SUCCESS
tedyu : 
Files : 
* /hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/mapreduce/MultithreadedTableMapper.java
* /hbase/branches/0.94/src/test/java/org/apache/hadoop/hbase/mapred/TestTableMapReduce.java
* /hbase/branches/0.94/src/test/java/org/apache/hadoop/hbase/mapreduce/TestMulitthreadedTableMapper.java
* /hbase/branches/0.94/src/test/java/org/apache/hadoop/hbase/mapreduce/TestMultithreadedTableMapper.java
* /hbase/branches/0.94/src/test/java/org/apache/hadoop/hbase/mapreduce/TestTableMapReduce.java

                
> MultithreadedTableMapper doesn't work.
> --------------------------------------
>
>                 Key: HBASE-5663
>                 URL: https://issues.apache.org/jira/browse/HBASE-5663
>             Project: HBase
>          Issue Type: Bug
>          Components: mapreduce
>    Affects Versions: 0.94.0
>            Reporter: Takuya Ueshin
>            Assignee: Takuya Ueshin
>             Fix For: 0.94.0, 0.96.0
>
>         Attachments: 5663+5636.txt, HBASE-5663.patch
>
>
> MapReduce job using MultithreadedTableMapper goes down throwing the following Exception:
> {noformat}
> java.io.IOException: java.lang.NoSuchMethodException: org.apache.hadoop.mapreduce.Mapper$Context.<init>(org.apache.hadoop.conf.Configuration,
org.apache.hadoop.mapred.TaskAttemptID, org.apache.hadoop.hbase.mapreduce.MultithreadedTableMapper$SubMapRecordReader,
org.apache.hadoop.hbase.mapreduce.MultithreadedTableMapper$SubMapRecordWriter, org.apache.hadoop.hbase.mapreduce.TableOutputCommitter,
org.apache.hadoop.hbase.mapreduce.MultithreadedTableMapper$SubMapStatusReporter, org.apache.hadoop.hbase.mapreduce.TableSplit)
> 	at org.apache.hadoop.hbase.mapreduce.MultithreadedTableMapper$MapRunner.<init>(MultithreadedTableMapper.java:260)
> 	at org.apache.hadoop.hbase.mapreduce.MultithreadedTableMapper.run(MultithreadedTableMapper.java:133)
> 	at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:764)
> 	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:370)
> 	at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:396)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1083)
> 	at org.apache.hadoop.mapred.Child.main(Child.java:249)
> Caused by: java.lang.NoSuchMethodException: org.apache.hadoop.mapreduce.Mapper$Context.<init>(org.apache.hadoop.conf.Configuration,
org.apache.hadoop.mapred.TaskAttemptID, org.apache.hadoop.hbase.mapreduce.MultithreadedTableMapper$SubMapRecordReader,
org.apache.hadoop.hbase.mapreduce.MultithreadedTableMapper$SubMapRecordWriter, org.apache.hadoop.hbase.mapreduce.TableOutputCommitter,
org.apache.hadoop.hbase.mapreduce.MultithreadedTableMapper$SubMapStatusReporter, org.apache.hadoop.hbase.mapreduce.TableSplit)
> 	at java.lang.Class.getConstructor0(Class.java:2706)
> 	at java.lang.Class.getConstructor(Class.java:1657)
> 	at org.apache.hadoop.hbase.mapreduce.MultithreadedTableMapper$MapRunner.<init>(MultithreadedTableMapper.java:241)
> 	... 8 more
> {noformat}
> This occured when the tasks are creating MapRunner threads.

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