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From Ted Yu <yuzhih...@gmail.com>
Subject Re: java.util.concurrent.ExecutionException
Date Tue, 02 Sep 2014 21:15:03 GMT
Have you checked the region server (on the same node as the mapper) log to
see if there was anything special around 07:56 ?

Cheers


On Tue, Sep 2, 2014 at 10:36 AM, yeshwanth kumar <yeshwanth43@gmail.com>
wrote:

> hi ted,
>
> configuration is gud, i got couple of mapreduce jobs on hbase running
> without such issue,
> going through logs of the job, i noticed that after processing some rows
> this exception shows up
>
> -yeshwanth
>
>
> On Tue, Sep 2, 2014 at 10:59 PM, Ted Yu <yuzhihong@gmail.com> wrote:
>
> > bq. Call to localhost/127.0.0.1:60020 failed
> >
> > Can you check whether configuration from hbase-site.xml is correctly
> passed
> > to your mapper ?
> >
> > Cheers
> >
> >
> > On Tue, Sep 2, 2014 at 10:25 AM, yeshwanth kumar <yeshwanth43@gmail.com>
> > wrote:
> >
> > > hi i am running HBase 0.94.20 on Hadoop 2.2.0
> > >
> > > i am working on a mapreduce job, where it reads input from a table and
> > > writes the processed back to that table and to another table,
> > > i am using MultiTableOutputFormat class for that.
> > >
> > > while running the mapreduce job, i encounter this exception, as a
> result
> > > regionserver is crashing.
> > >
> > > 2014-09-02 07:56:47,790 WARN [main]
> > >
> > >
> >
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation:
> > > Failed all from
> > > region=crawl_webpage,,1408774462347.a311e4aed343baf54f49ac6519d0bbe8.,
> > > hostname=localhost, port=60020
> > > java.util.concurrent.ExecutionException: java.io.IOException: Call to
> > > localhost/127.0.0.1:60020 failed on local exception:
> > java.io.EOFException
> > > at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> > > at java.util.concurrent.FutureTask.get(FutureTask.java:188)
> > > at
> > >
> > >
> >
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1708)
> > > at
> > >
> > >
> >
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1560)
> > > at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:994)
> > > at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:850)
> > > at org.apache.hadoop.hbase.client.HTable.put(HTable.java:826)
> > > at
> > >
> > >
> >
> org.apache.hadoop.hbase.mapreduce.MultiTableOutputFormat$MultiTableRecordWriter.write(MultiTableOutputFormat.java:132)
> > > at
> > >
> > >
> >
> org.apache.hadoop.hbase.mapreduce.MultiTableOutputFormat$MultiTableRecordWriter.write(MultiTableOutputFormat.java:68)
> > > at
> > >
> > >
> >
> org.apache.hadoop.mapred.MapTask$NewDirectOutputCollector.write(MapTask.java:634)
> > > at
> > >
> > >
> >
> org.apache.hadoop.mapreduce.task.TaskInputOutputContextImpl.write(TaskInputOutputContextImpl.java:89)
> > > at
> > >
> > >
> >
> org.apache.hadoop.mapreduce.lib.map.WrappedMapper$Context.write(WrappedMapper.java:112)
> > > at
> > >
> > >
> >
> com.serendio.icvs.analysis.text.EntitySearcherMR$EntitySearcherMapper.map(EntitySearcherMR.java:119)
> > > at
> > >
> > >
> >
> com.serendio.icvs.analysis.text.EntitySearcherMR$EntitySearcherMapper.map(EntitySearcherMR.java:33)
> > > at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:145)
> > > at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:763)
> > > at org.apache.hadoop.mapred.MapTask.run(MapTask.java:339)
> > > at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:162)
> > > at java.security.AccessController.doPrivileged(Native Method)
> > > at javax.security.auth.Subject.doAs(Subject.java:415)
> > > at
> > >
> > >
> >
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1491)
> > > at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:157)
> > > Caused by: java.io.IOException: Call to localhost/127.0.0.1:60020
> failed
> > > on
> > > local exception: java.io.EOFException
> > > at
> > >
> > >
> >
> org.apache.hadoop.hbase.ipc.HBaseClient.wrapException(HBaseClient.java:1047)
> > > at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:1016)
> > > at
> > >
> > >
> >
> org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:87)
> > > at com.sun.proxy.$Proxy12.multi(Unknown Source)
> > > at
> > >
> > >
> >
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1537)
> > > at
> > >
> > >
> >
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1535)
> > > at
> > >
> > >
> >
> org.apache.hadoop.hbase.client.ServerCallable.withoutRetries(ServerCallable.java:229)
> > > at
> > >
> > >
> >
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1544)
> > > at
> > >
> > >
> >
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1532)
> > > at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> > > at
> > >
> > >
> >
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> > > at
> > >
> > >
> >
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> > > at java.lang.Thread.run(Thread.java:745)
> > > Caused by: java.io.EOFException
> > > at java.io.DataInputStream.readInt(DataInputStream.java:392)
> > > at
> > >
> > >
> >
> org.apache.hadoop.hbase.ipc.HBaseClient$Connection.receiveResponse(HBaseClient.java:654)
> > > at
> > >
> > >
> >
> org.apache.hadoop.hbase.ipc.HBaseClient$Connection.run(HBaseClient.java:588)
> > >
> > > any suggestions, for overcoming this issue,
> > >
> > > thanks,
> > > yeshwanth
> > >
> >
>

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