Is your job configured to talk to HBase correctly? J-D
On Wed, Jul 18, 2012 at 9:07 AM, syed kather <in.ab...@gmail.com> 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@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@34af863e > closed > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:794) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(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
