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From "Arun C Murthy (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3181) Terasort fails with Kerberos exception on secure cluster
Date Wed, 19 Oct 2011 04:52:10 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13130355#comment-13130355
] 

Arun C Murthy commented on MAPREDUCE-3181:
------------------------------------------

I found another bug in TeraGen - TeraOutputFormat is broken, it overrides FileOutputCommitter
and does nothing.
                
> Terasort fails with Kerberos exception on secure cluster
> --------------------------------------------------------
>
>                 Key: MAPREDUCE-3181
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3181
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Anupam Seth
>            Assignee: Anupam Seth
>            Priority: Blocker
>             Fix For: 0.23.0
>
>         Attachments: MAPREDUCE-3181-branch0_23.patch, MAPREDUCE-3181-branch0_23.patch,
MAPREDUCE-3181.patch
>
>
> We are seeing the following Kerberos exception upon trying to run terasort on secure
single and multi-node clusters using the latest build from branch 0.23.
> java.io.IOException: Can't get JobTracker Kerberos principal for use as renewer
>         at org.apache.hadoop.mapreduce.security.TokenCache.obtainTokensForNamenodesInternal(TokenCache.java:106)
>         at org.apache.hadoop.mapreduce.security.TokenCache.obtainTokensForNamenodesInternal(TokenCache.java:90)
>         at org.apache.hadoop.mapreduce.security.TokenCache.obtainTokensForNamenodes(TokenCache.java:83)
>         at org.apache.hadoop.mapreduce.lib.input.FileInputFormat.listStatus(FileInputFormat.java:205)
>         at org.apache.hadoop.mapreduce.lib.input.FileInputFormat.getSplits(FileInputFormat.java:269)
>         at org.apache.hadoop.examples.terasort.TeraInputFormat.getSplits(TeraInputFormat.java:318)
>         at org.apache.hadoop.examples.terasort.TeraInputFormat.writePartitionFile(TeraInputFormat.java:169)
>         at org.apache.hadoop.examples.terasort.TeraSort.run(TeraSort.java:306)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:69)
>         at org.apache.hadoop.examples.terasort.TeraSort.main(TeraSort.java:325)
>         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:72)
>         at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:144)
>         at org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:68)
>         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:189)
> Adding debug output shows that the job configuration is not loading up yarn-site.xml
causing the above failure to happen.

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