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From ch huang <justlo...@gmail.com>
Subject Re: issue about pig can not know HDFS HA configuration
Date Wed, 05 Nov 2014 13:52:31 GMT
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
>

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