you have an inconsistency in your table. Add -details and try and figure where the inconsistency. Grep master logs to try and figure what happened to the problematic regions. See if adding -fix to hbck will clean up your prob.
On Wed, Jul 4, 2012 at 5:58 PM, syed kather <[email protected]> wrote: > Team , > While i am running M-R program . At beginning stages Map - Reduce is > working . But later part it is throwing this error > > > org.apache.hadoop.hbase.client.RetriesExhaustedWithDetailsException: > Failed 18 actions: NotServingRegionException: 18 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) > > Can please give some idea what may be the reason for failure.. > > Thanks and Regards, > S SYED ABDUL KATHER > -- ∞ Shashwat Shriparv
