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From yeshwanth kumar <yeshwant...@gmail.com>
Subject java.util.concurrent.ExecutionException
Date Tue, 02 Sep 2014 17:25:41 GMT
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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