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From Jagannath Naidu <jagannath.na...@fosteringlinux.com>
Subject Re: issue about pig can not know HDFS HA configuration
Date Thu, 06 Nov 2014 14:06:55 GMT
got it, thanks

On 05/11/2014, ch huang <justlooks@gmail.com> 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 <
> jagannath.naidu@fosteringlinux.com> wrote:
>
>>
>>
>> On 5 November 2014 14:49, ch huang <justlooks@gmail.com> 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

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