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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-3078) 0.20.3: java.lang.IndexOutOfBoundsException in reduce task with TableOutputFormat
Date Sun, 08 Jun 2014 22:05:01 GMT

     [ https://issues.apache.org/jira/browse/HBASE-3078?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell resolved HBASE-3078.
-----------------------------------

    Resolution: Not a Problem

Stale

> 0.20.3: java.lang.IndexOutOfBoundsException in reduce task with TableOutputFormat
> ---------------------------------------------------------------------------------
>
>                 Key: HBASE-3078
>                 URL: https://issues.apache.org/jira/browse/HBASE-3078
>             Project: HBase
>          Issue Type: Bug
>          Components: mapreduce
>    Affects Versions: 0.20.3
>         Environment: Centos 5.5, 4 nodes, jre 1.6u21 x86_64, hbase 0.20.3, hadoop-0.20.2+228
(from cloudera)
>            Reporter: Stanislav Kogut
>            Priority: Minor
>
> It happens very rare (was seen only once yet), but looks like it was caused inside HBase
TableOutputFormat class while running periodic mapreduce job on my cluster.
> Here is a task log for failed task:
> 2010-10-04 12:08:00,339 WARN org.apache.hadoop.mapred.TaskTracker: Error running child
> java.lang.IndexOutOfBoundsException: toIndex = 850
> 	at java.util.SubList.<init>(Unknown Source)
> 	at java.util.RandomAccessSubList.<init>(Unknown Source)
> 	at java.util.AbstractList.subList(Unknown Source)
> 	at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:611)
> 	at org.apache.hadoop.hbase.mapreduce.TableOutputFormat$TableRecordWriter.close(TableOutputFormat.java:80)
> 	at org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceTask.java:567)
> 	at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:408)
> 	at org.apache.hadoop.mapred.Child.main(Child.java:170)
> 2010-10-04 12:08:00,343 INFO org.apache.hadoop.mapred.TaskRunner: Runnning cleanup for
the task



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