syed kather <in.abdul@...> writes: > > Thanks Jean-Daniel Cryans .. > Yes .. some job are executed successfully .. Some of them getting failed > .. i dont know why this is happening .. > Thanks and Regards, > S SYED ABDUL KATHER > > On Fri, Jul 20, 2012 at 12:33 AM, Jean-Daniel Cryans <jdcryans@...>wrote: > > > Is your job configured to talk to HBase correctly? > > > > J-D > > > > On Wed, Jul 18, 2012 at 9:07 AM, syed kather <in.abdul@...> wrote: > > > Team , > > > While Running the Map Reduce Program on 3 node cluster . i had noticed > > > that one of node is throw Error most often > > > > > > java.lang.RuntimeException: java.io.IOException: > > > > > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation <at> 34af863e > > > closed > > > at > > org.apache.hadoop.hbase.mapreduce.TableOutputFormat.setConf (TableOutputFormat.java:200) > > > at > > org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:62) > > > at > > org.apache.hadoop.util.ReflectionUtils.newInstance (ReflectionUtils.java:117) > > > at org.apache.hadoop.mapred.Task.initialize(Task.java:513) > > > at org.apache.hadoop.mapred.MapTask.run(MapTask.java:353) > > > at org.apache.hadoop.mapred.Child$4.run(Child.java:255) > > > at java.security.AccessController.doPrivileged(Native Method) > > > at javax.security.auth.Subject.doAs(Subject.java:415) > > > at > > org.apache.hadoop.security.UserGroupInformation.doAs (UserGroupInformation.java:1121) > > > at org.apache.hadoop.mapred.Child.main(Child.java:249) > > > Caused by: java.io.IOException: > > > > > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation <at> 34af863e > > > closed > > > at > > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.loc ateRegion(HConnectionManager.java:794) > > > at > > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.loc ateRegion(HConnectionManager.java:782) > > > at > > org.apache.hadoop.hbase.client.HTable.finishSetup(HTable.java:249) > > > at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:213) > > > at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:171) > > > at > > org.apache.hadoop.hbase.mapreduce.TableOutputFormat.setConf (TableOutputFormat.java:195) > > > ... 9 more > > > > > > > > > Please help me . > > > Thanks and Regards, > > > S SYED ABDUL KATHER > > >
Hi Syed, I am also getting the same error, on name node mapreduce tasks are completing but on datanodes tasks are giving error as java.io.IOException: org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@63a 5ec6c closed I have installed CDH4 on 5 nodes, machines are Oracle Virtual box VMs Please help me in resolving this. Thanks Siddu
