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From "John George (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7602) wordcount, sort etc on har files fails with NPE
Date Thu, 01 Sep 2011 17:39:15 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13095454#comment-13095454
] 

John George commented on HADOOP-7602:
-------------------------------------

The NPE is as follows:

11/08/13 03:51:42 INFO mapred.JobClient: Cleaning up the staging area
hdfs://<hostname/user_name>/.staging/job_<id>
java.lang.NullPointerException
        at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:137)
        at org.apache.hadoop.security.SecurityUtil.buildDTServiceName(SecurityUtil.java:261)
        at org.apache.hadoop.fs.FileSystem.getCanonicalServiceName(FileSystem.java:161)
        at org.apache.hadoop.mapreduce.security.TokenCache.obtainTokensForNamenodesInternal(TokenCache.java:92)
        at org.apache.hadoop.mapreduce.security.TokenCache.obtainTokensForNamenodes(TokenCache.java:79)
        at org.apache.hadoop.mapred.FileInputFormat.listStatus(FileInputFormat.java:163)
        at org.apache.hadoop.mapred.SequenceFileInputFormat.listStatus(SequenceFileInputFormat.java:44)
        at org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:211)
        at org.apache.hadoop.mapred.JobClient.writeOldSplits(JobClient.java:946)
        at org.apache.hadoop.mapred.JobClient.writeSplits(JobClient.java:938)
        at org.apache.hadoop.mapred.JobClient.access$500(JobClient.java:170)
        at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:854)
        at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:807)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:396)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1059)
        at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:807)
        at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:781)
        at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1218)
        at org.apache.hadoop.examples.Sort.run(Sort.java:176)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
        at org.apache.hadoop.examples.Sort.main(Sort.java:187)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68)
        at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139)
        at org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:64)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.hadoop.util.RunJar.main(RunJar.java:156)

> wordcount, sort etc on har files fails with NPE
> -----------------------------------------------
>
>                 Key: HADOOP-7602
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7602
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 0.20.205.0, 0.20.206.0
>            Reporter: John George
>            Assignee: John George
>
> wordcount, sort etc on har files fails with NPE@createSocketAddr(NetUtils.java:137).


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