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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5663) MultithreadedTableMapper doesn't work.
Date Sun, 01 Apr 2012 22:14:26 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13243882#comment-13243882
] 

Hadoop QA commented on HBASE-5663:
----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12520786/5663%2B5636.txt
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 12 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    +1 core tests.  The patch passed unit tests in .

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/1361//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/1361//artifact/trunk/patchprocess/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/1361//console

This message is automatically generated.
                
> 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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