hadoop-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "tesmai4@gmail.com" <tesm...@gmail.com>
Subject Re: java.net.UnknownHostException on one node only
Date Wed, 25 Feb 2015 14:38:32 GMT
Thanks Varun,

Where shall I check to resolve it?


Regards,
Tariq

On Mon, Feb 23, 2015 at 4:07 AM, Varun Kumar <varun.uid@gmail.com> wrote:

> Hi Tariq,
>
> Issues looks like DNS configuration issue.
>
>
> On Sun, Feb 22, 2015 at 3:51 PM, tesmai4@gmail.com <tesmai4@gmail.com>
> wrote:
>
>> I am getting java.net.UnknownHost exception continuously on one node
>> Hadoop MApReduce execution.
>>
>> That node is accessible via SSH. This node is shown in "yarn node -list"
>> and "hadfs dfsadmin -report" queries.
>>
>> Below is the log from execution....
>>
>> 15/02/22 20:17:42 INFO mapreduce.Job: Task Id :
>> attempt_1424622614381_0008_m_000043_0, Status : FAILED
>> Container launch failed for container_1424622614381_0008_01_000016 :
>> java.lang.IllegalArgumentException: *java.net.UnknownHostException:
>> 101-master10*
>> at
>> org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:373)
>> at
>> org.apache.hadoop.security.SecurityUtil.setTokenService(SecurityUtil.java:352)
>> at
>> org.apache.hadoop.yarn.util.ConverterUtils.convertFromYarn(ConverterUtils.java:237)
>> at
>> org.apache.hadoop.yarn.client.api.impl.ContainerManagementProtocolProxy$ContainerManagementProtocolProxyData.newProxy(ContainerManagementProtocolProxy.java:218)
>> at
>> org.apache.hadoop.yarn.client.api.impl.ContainerManagementProtocolProxy$ContainerManagementProtocolProxyData.<init>(ContainerManagementProtocolProxy.java:196)
>> at
>> org.apache.hadoop.yarn.client.api.impl.ContainerManagementProtocolProxy.getProxy(ContainerManagementProtocolProxy.java:117)
>> at
>> org.apache.hadoop.mapreduce.v2.app.launcher.ContainerLauncherImpl.getCMProxy(ContainerLauncherImpl.java:403)
>> at
>> org.apache.hadoop.mapreduce.v2.app.launcher.ContainerLauncherImpl$Container.launch(ContainerLauncherImpl.java:138)
>> at
>> org.apache.hadoop.mapreduce.v2.app.launcher.ContainerLauncherImpl$EventProcessor.run(ContainerLauncherImpl.java:369)
>> 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.net.UnknownHostException: 101-master10*
>> ... 12 more
>>
>>
>>
>> 15/02/22 20:17:44 INFO
>>
>> Regards,
>> Tariq
>>
>
>
>
> --
> Regards,
> Varun Kumar.P
>

Mime
View raw message