In /etc/hosts Regards, Varun
On Wed, Feb 25, 2015 at 9:38 AM, [email protected] <[email protected]> wrote: > Thanks Varun, > > Where shall I check to resolve it? > > > Regards, > Tariq > > On Mon, Feb 23, 2015 at 4:07 AM, Varun Kumar <[email protected]> wrote: > >> Hi Tariq, >> >> Issues looks like DNS configuration issue. >> >> >> On Sun, Feb 22, 2015 at 3:51 PM, [email protected] <[email protected]> >> 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 >> > > -- Regards, Varun Kumar.P
