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Lars Hofhansl commented on HBASE-5663: -------------------------------------- Can this be closed? > 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. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira