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Posted to issues@hbase.apache.org by "Zhihong Yu (Assigned) (JIRA)" <ji...@apache.org> on 2012/03/31 18:12:39 UTC
[jira] [Assigned] (HBASE-5663) MultithreadedTableMapper doesn't
work.
[ https://issues.apache.org/jira/browse/HBASE-5663?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zhihong Yu reassigned HBASE-5663:
---------------------------------
Assignee: Takuya Ueshin
> 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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