Thanks :) Regards, Omkar Joshi
-----Original Message----- From: Harsh J [mailto:ha...@cloudera.com] Sent: Friday, August 23, 2013 3:52 PM To: <user@hadoop.apache.org> Subject: Re: Hadoop - impersonation doubts/issues while accessing from remote machine I've answered this on the stackoverflow link: http://stackoverflow.com/questions/18354664/spring-data-hadoop-connectivity On Thu, Aug 22, 2013 at 1:29 PM, Omkar Joshi <omkar.jo...@lntinfotech.com> wrote: > For readability, I haven't posted the code, output etc. in this mail - > please check the thread below : > > > > http://stackoverflow.com/questions/18354664/spring-data-hadoop-connectivity > > > > I'm trying to connect to a remote hadoop(1.1.2) cluster from my local > Windows machine via Spring data(later, eclipse plug-in may also be used). In > future, multiple such connections from several Windows machines are > expected. > > > > On my remote(single-node) cluster, bigdata is the user for Hadoop etc. > > bigdata@cloudx-843-770:~$ groups bigdata > > bigdata : bigdata > > On my local Windows machine > > D:\>echo %username% > > 298790 > > D:\>hostname > > INFVA03351 > > > > Now if I refer to Hadoop Secure Impersonation., does it mean I need to > create a user 298790 on the cluster, add the hostname in core-site.xml etc. > ??? Any less-cumbersome ways out? I tried that too on the cluster but the > (partial given)output error still persists : > > > > Aug 22, 2013 12:29:20 PM > org.springframework.context.support.AbstractApplicationContext > prepareRefresh > > INFO: Refreshing > org.springframework.context.support.ClassPathXmlApplicationContext@1815338: > startup date [Thu Aug 22 12:29:20 IST 2013]; root of context hierarchy > > Aug 22, 2013 12:29:20 PM > org.springframework.beans.factory.xml.XmlBeanDefinitionReader > loadBeanDefinitions > > INFO: Loading XML bean definitions from class path resource > [com/hadoop/basics/applicationContext.xml] > > Aug 22, 2013 12:29:20 PM > org.springframework.core.io.support.PropertiesLoaderSupport loadProperties > > INFO: Loading properties file from class path resource > [resources/hadoop.properties] > > Aug 22, 2013 12:29:20 PM > org.springframework.beans.factory.support.DefaultListableBeanFactory > preInstantiateSingletons > > INFO: Pre-instantiating singletons in > org.springframework.beans.factory.support.DefaultListableBeanFactory@7c197e: > defining beans > [org.springframework.context.support.PropertySourcesPlaceholderConfigurer#0,hadoopConfiguration,wc-job,myjobs-runner,resourceLoader]; > root of factory hierarchy > > Aug 22, 2013 12:29:21 PM > org.springframework.data.hadoop.mapreduce.JobExecutor$2 run > > INFO: Starting job [wc-job] > > Aug 22, 2013 12:29:21 PM org.apache.hadoop.security.UserGroupInformation > doAs > > SEVERE: PriviledgedActionException as:bigdata via 298790 > cause:org.apache.hadoop.ipc.RemoteException: User: 298790 is not allowed to > impersonate bigdata > > Aug 22, 2013 12:29:21 PM > org.springframework.data.hadoop.mapreduce.JobExecutor$2 run > > WARNING: Cannot start job [wc-job] > > org.apache.hadoop.ipc.RemoteException: User: 298790 is not allowed to > impersonate bigdata > > at org.apache.hadoop.ipc.Client.call(Client.java:1107) > > at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:229) > > at org.apache.hadoop.mapred.$Proxy2.getProtocolVersion(Unknown Source) > > at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:411) > > at > org.apache.hadoop.mapred.JobClient.createRPCProxy(JobClient.java:499) > > at org.apache.hadoop.mapred.JobClient.init(JobClient.java:490) > > at org.apache.hadoop.mapred.JobClient.<init>(JobClient.java:473) > > at org.apache.hadoop.mapreduce.Job$1.run(Job.java:513) > > at java.security.AccessController.doPrivileged(Native Method) > > at javax.security.auth.Subject.doAs(Unknown Source) > > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1149) > > at org.apache.hadoop.mapreduce.Job.connect(Job.java:511) > > at org.apache.hadoop.mapreduce.Job.submit(Job.java:499) > > at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:530) > > at > org.springframework.data.hadoop.mapreduce.JobExecutor$2.run(JobExecutor.java:197) > > at > org.springframework.core.task.SyncTaskExecutor.execute(SyncTaskExecutor.java:49) > > at > org.springframework.data.hadoop.mapreduce.JobExecutor.startJobs(JobExecutor.java:168) > > at > org.springframework.data.hadoop.mapreduce.JobExecutor.startJobs(JobExecutor.java:160) > > at > org.springframework.data.hadoop.mapreduce.JobRunner.call(JobRunner.java:52) > > at > org.springframework.data.hadoop.mapreduce.JobRunner.afterPropertiesSet(JobRunner.java:44) > > at > org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1541) > > at > org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1479) > > at > org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:521) > > at > org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458) > > at > org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:295) > > at > org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223) > > at > org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292) > > at > org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194) > > at > org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:628) > > at > org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:932) > > at > org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479) > > at > org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:197) > > at > org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:172) > > at > org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:158) > > at com.hadoop.basics.WordCounter.main(WordCounter.java:58) > > > > Regards, > > Omkar Joshi > > > > > ________________________________ > The contents of this e-mail and any attachment(s) may contain confidential > or privileged information for the intended recipient(s). Unintended > recipients are prohibited from taking action on the basis of information in > this e-mail and using or disseminating the information, and must notify the > sender and delete it from their system. L&T Infotech will not accept > responsibility or liability for the accuracy or completeness of, or the > presence of any virus or disabling code in this e-mail" -- Harsh J
