hbase-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jean-Daniel Cryans <jdcry...@apache.org>
Subject Re: HConnectionManager get closed
Date Thu, 19 Jul 2012 19:03:52 GMT
Is your job configured to talk to HBase correctly?

J-D

On Wed, Jul 18, 2012 at 9:07 AM, syed kather <in.abdul@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

Mime
View raw message