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 <yeshwant...@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 <yuzhih...@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 <yeshwant...@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 > > > > > >
