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From "Arpit Gupta (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2366) webhds throws a npe when ugi is null from getDelegationToken
Date Mon, 26 Sep 2011 23:13:12 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13115028#comment-13115028
] 

Arpit Gupta commented on HDFS-2366:
-----------------------------------

bash-3.2$ bin/hadoop  jar hadoop-examples-0.20.205.0.jar wordcount webhdfs://host:50070/wordcount
webhdfs/wordcount_output1
java.lang.NullPointerException
        at org.apache.hadoop.hdfs.web.resources.UserParam.<init>(UserParam.java:43)
        at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.toUrl(WebHdfsFileSystem.java:184)
        at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.httpConnect(WebHdfsFileSystem.java:196)
        at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.run(WebHdfsFileSystem.java:232)
        at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.getDelegationToken(WebHdfsFileSystem.java:407)
        at org.apache.hadoop.hdfs.HftpFileSystem.initialize(HftpFileSystem.java:183)
        at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.initialize(WebHdfsFileSystem.java:96)
        at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1326)
        at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:65)
        at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1344)
        at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:242)
        at org.apache.hadoop.fs.Path.getFileSystem(Path.java:187)
        at org.apache.hadoop.mapreduce.lib.input.FileInputFormat.addInputPath(FileInputFormat.java:372)
        at org.apache.hadoop.examples.WordCount.main(WordCount.java:65)
        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)

                
> webhds throws a npe when ugi is null from getDelegationToken
> ------------------------------------------------------------
>
>                 Key: HDFS-2366
>                 URL: https://issues.apache.org/jira/browse/HDFS-2366
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 0.20.205.0
>            Reporter: Arpit Gupta
>            Assignee: Tsz Wo (Nicholas), SZE
>


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