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