got it, thanks On 05/11/2014, ch huang <[email protected]> wrote: > this name is not a host name ,it is NN HA service name, behind the name ,is > two NN box, one for active node , one for standby node > > On Wed, Nov 5, 2014 at 7:41 PM, Jagannath Naidu < > [email protected]> wrote: > >> >> >> On 5 November 2014 14:49, ch huang <[email protected]> wrote: >> >>> hi,maillist: >>> i set namenode HA in my HDFS cluster,but seems pig can not know it >>> ,why? >>> >>> 2014-11-05 14:34:54,710 [JobControl] INFO >>> org.apache.hadoop.mapreduce.JobSubmitter - Cleaning up the staging area >>> file:/tmp/hadoop-root/mapred/staging/root1861403840/.staging/job_local1861403840_0001 >>> 2014-11-05 14:34:54,716 [JobControl] WARN >>> org.apache.hadoop.security.UserGroupInformation - >>> PriviledgedActionException as:root (auth:SIMPLE) >>> cause:org.apache.pig.backend.executionengine.ExecException: ERROR 2118: >>> java.net.UnknownHostException: develop >>> >> >> unknown host exception, this can be the issue. Check that the host is >> discoverable either form dns or from hosts. >> >> >>> 2014-11-05 14:34:54,717 [JobControl] INFO >>> org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob - >>> PigLatin:DefaultJobName got an error while submitting >>> org.apache.pig.backend.executionengine.ExecException: ERROR 2118: >>> java.net.UnknownHostException: develop >>> at >>> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigInputFormat.getSplits(PigInputFormat.java:288) >>> at >>> org.apache.hadoop.mapreduce.JobSubmitter.writeNewSplits(JobSubmitter.java:493) >>> at >>> org.apache.hadoop.mapreduce.JobSubmitter.writeSplits(JobSubmitter.java:510) >>> at >>> org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:394) >>> at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1295) >>> at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1292) >>> 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:1554) >>> at org.apache.hadoop.mapreduce.Job.submit(Job.java:1292) >>> at >>> org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob.submit(ControlledJob.java:335) >>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >>> at >>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) >>> at >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >>> at java.lang.reflect.Method.invoke(Method.java:606) >>> at >>> org.apache.pig.backend.hadoop23.PigJobControl.submit(PigJobControl.java:128) >>> at >>> org.apache.pig.backend.hadoop23.PigJobControl.run(PigJobControl.java:191) >>> at java.lang.Thread.run(Thread.java:744) >>> at >>> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher$1.run(MapReduceLauncher.java:270) >>> Caused by: java.lang.IllegalArgumentException: >>> java.net.UnknownHostException: develop >>> at >>> org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:377) >>> at >>> org.apache.hadoop.hdfs.NameNodeProxies.createNonHAProxy(NameNodeProxies.java:237) >>> at >>> org.apache.hadoop.hdfs.NameNodeProxies.createProxy(NameNodeProxies.java:141) >>> at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:576) >>> at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:521) >>> at >>> org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:146) >>> at >>> org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2397) >>> at >>> org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:89) >>> at >>> org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2431) >>> at >>> org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2413) >>> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:368) >>> at org.apache.hadoop.fs.Path.getFileSystem(Path.java:296) >>> at >>> org.apache.hcatalog.mapreduce.HCatBaseInputFormat.setInputPath(HCatBaseInputFormat.java:326) >>> at >>> org.apache.hcatalog.mapreduce.HCatBaseInputFormat.getSplits(HCatBaseInputFormat.java:127) >>> at >>> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigInputFormat.getSplits(PigInputFormat.java:274) >>> ... 18 more >>> Caused by: java.net.UnknownHostException: develop >>> ... 33 more >>> >>> >> >> >> -- >> >> Jaggu Naidu >> >
-- Thanks & Regards B Jagannath +919871324006
