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Date: Wed, 20 Feb 2008 13:11:43 -0800 (PST)
From: "Hadoop QA (JIRA)" <jira@apache.org>
To: core-dev@hadoop.apache.org
Subject: [jira] Commented: (HADOOP-1902) du command throws an exception when
 the directory is not specified
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    [ https://issues.apache.org/jira/browse/HADOOP-1902?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12570833#action_12570833 ] 

Hadoop QA commented on HADOOP-1902:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
http://issues.apache.org/jira/secure/attachment/12376046/Hadoop-1902_1.patch
against trunk revision 619744.

    @author +1.  The patch does not contain any @author tags.

    tests included +1.  The patch appears to include 3 new or modified tests.

    javadoc +1.  The javadoc tool did not generate any warning messages.

    javac +1.  The applied patch does not generate any new javac compiler warnings.

    release audit +1.  The applied patch does not generate any new release audit warnings.

    findbugs +1.  The patch does not introduce any new Findbugs warnings.

    core tests +1.  The patch passed core unit tests.

    contrib tests +1.  The patch passed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1821/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1821/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1821/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1821/console

This message is automatically generated.

> du command throws an exception when the directory is not specified
> ------------------------------------------------------------------
>
>                 Key: HADOOP-1902
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1902
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.13.1
>            Reporter: Mukund Madhugiri
>            Assignee: Mahadev konar
>         Attachments: Hadoop-1902_1.patch
>
>
> Running the du command without specifying a directory throws an exception. It runs fine if a directory is specified. Here is the output
> mukundm@ucdev28 hadoop]$ bin/hadoop dfs -du
> Exception in thread "main" java.lang.IllegalArgumentException: Can not create a Path from an empty string
>         at org.apache.hadoop.fs.Path.checkPathArg(Path.java:82)
>         at org.apache.hadoop.fs.Path.<init>(Path.java:90)
>         at org.apache.hadoop.fs.FsShell.du(FsShell.java:351)
>         at org.apache.hadoop.fs.FsShell.run(FsShell.java:1040)
>         at org.apache.hadoop.util.ToolBase.doMain(ToolBase.java:189)
>         at org.apache.hadoop.fs.FsShell.main(FsShell.java:1092)
> [mukundm@ucdev28 hadoop]$ bin/hadoop dfs -du .
> Found 2 items
> /user/mukundm/input     28578
> /user/mukundm/output    747

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