the problem is the client was talking to the given regionserver, and that regionserver kept on rejecting the requests - NSRE. Are you sure your table is online? Are all regions online? Anything interesting in the master log?
-ryan On Tue, Jan 25, 2011 at 7:32 PM, charan kumar <[email protected]> wrote: > Hi, > > Map Reduce Tasks are failing with the following exception. There was > major compaction running on the region server around the same time. > > no. of retries are not customized, which is 10 by default. But I get this > exception for the first time , it gets this exception. Any suggestions? > > org.apache.hadoop.hbase.client.RetriesExhaustedWithDetailsException: > Failed 1 action: NotServingRegionException: 1 time, servers with issues: > XXXXXXX:60020, > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1220) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchOfPuts(HConnectionManager.java:1234) > at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:819) > at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:675) > at org.apache.hadoop.hbase.client.HTable.put(HTable.java:660) > at > org.apache.hadoop.hbase.mapreduce.TableOutputFormat$TableRecordWriter.write(TableOutputFormat.java:126) > at > org.apache.hadoop.hbase.mapreduce.TableOutputFormat$TableRecordWriter.write(TableOutputFormat.java:81) > at > org.apache.hadoop.mapred.ReduceTask$NewTrackingRecordWriter.write(ReduceTask.java:508) > at > org.apache.hadoop.mapreduce.TaskInputOutputContext.write(TaskInputOutputContext.java:80) > at > com.ask.af.segscan.SegmentScanner$WebTableReducer.reduce(SegmentScanner.java:284) > at > com.ask.af.segscan.SegmentScanner$WebTableReducer.reduce(SegmentScanner.java:91) > at org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:176) > at > org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceTask.java:566) > at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:408) > at org.apache.hadoop.mapred.Child.main(Child.java:170) > > Thanks, > Charan >
