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From syed kather <in.ab...@gmail.com>
Subject Region server dies ..
Date Mon, 09 Jul 2012 16:43:18 GMT
Hi all ,
When map reduce program is executed the regionserver is get closed
automatically . See the error below




org.apache.hadoop.hbase.client.RetriesExhaustedWithDetailsException:
Failed 15 actions: NotServingRegionException: 15 times, servers with
issues: alok:60020,
	at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1239)
	at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchOfPuts(HConnectionManager.java:1253)
	at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:828)
	at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:684)
	at org.apache.hadoop.hbase.client.HTable.put(HTable.java:669)
	at org.apache.hadoop.hbase.mapreduce.TableOutputFormat$TableRecordWriter.write(TableOutputFormat.java:127)
	at org.apache.hadoop.hbase.mapreduce.TableOutputFormat$TableRecordWriter.write(TableOutputFormat.java:82)
	at org.apache.hadoop.mapred.MapTask$NewDirectOutputCollector.write(MapTask.java:639)
	at org.apache.hadoop.mapreduce.TaskInputOutputContext.write(TaskInputOutputContext.java:80)
	at org.apache.hadoop.hbase.mapreduce.Import$Importer.map(Import.java:60)
	at org.apache.hadoop.hbase.mapreduce.Import$Importer.map(Import.java:45)
	at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144)
	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:1059)
	at org.apache.hadoop.mapred.Child.main(Child.java:249)


            Thanks and Regards,
        S SYED ABDUL KATHER

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