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
