The put() call handles more than one row, destined for more than one region server. HConnectionManager wasn't able to find the region server which serves the row, hence the error.
Please upgrade to 0.90.1 On Tue, Feb 22, 2011 at 6:27 AM, Hari Sreekumar <[email protected]>wrote: > What does this exception signify: > > org.apache.hadoop.hbase.client.RetriesExhaustedException: Trying to contact > region server Some server, retryOnlyOne=true, index=0, islastrow=false, > tries=9, numtries=10, i=0, listsize=405, > region=NwKeywordTest,20927_57901_277247_8728141,1298383184948 for region > KeywordTest,20927_57901_277247_8728141,1298383184948, row > '20927_57902_277417_8744379', but failed after 10 attempts. > Exceptions: > > at > > org.apache.hadoop.hbase.client.HConnectionManager$TableServers$Batch.process(HConnectionManager.java:1157) > at > > org.apache.hadoop.hbase.client.HConnectionManager$TableServers.processBatchOfRows(HConnectionManager.java:1238) > at > org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:666) > at org.apache.hadoop.hbase.client.HTable.put(HTable.java:510) > at > > org.apache.hadoop.hbase.mapreduce.TableOutputFormat$TableRecordWriter.write(TableOutputFormat.java:94) > at > > org.apache.hadoop.hbase.mapreduce.TableOutputFormat$TableRecordWriter.write(TableOutputFormat.java:55) > at > > org.apache.hadoop.mapred.MapTask$NewDirectOutputCollector.write(MapTask.java:498) > at > > org.apache.hadoop.mapreduce.TaskInputOutputContext.write(TaskInputOutputContext.java:80) > at > > com.clickable.dataengine.hbase.upload.BulkUploadtoHBase$BulkUploadMapper.map(Unknown > Source) > at > > com.clickable.dataengine.hbase.upload.BulkUploadtoHBase$BulkUploadMapper.map(Unknown > Source) > at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144) > at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:621) > at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305) > at org.apache.hadoop.mapred.Child.main(Child.java:170) > > How can I avoid it? > > Thanks, > Hari >
