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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1522) FileInputFormat may change the file system of an input path
Date Thu, 25 Feb 2010 16:10:28 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12838390#action_12838390

Hadoop QA commented on MAPREDUCE-1522:

-1 overall.  Here are the results of testing the latest attachment 
  against trunk revision 915223.

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

    +1 tests included.  The patch appears to include 5 new or modified tests.

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

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

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

    +1 release audit.  The applied patch does not increase the total number of release audit

    -1 core tests.  The patch failed core unit tests.

    -1 contrib tests.  The patch failed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/488/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/488/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/488/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/488/console

This message is automatically generated.

> FileInputFormat may change the file system of an input path
> -----------------------------------------------------------
>                 Key: MAPREDUCE-1522
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1522
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Tsz Wo (Nicholas), SZE
>         Attachments: m1522_20100224.patch, m1522_20100224_0.20.patch, m1552_20100223_0.20.patch
> org.apache.hadoop.mapreduce.lib.input.FileInputFormat.addInputPath(Job job, Path path)
uses the default FileSystem but not the FileSystem specified in the path.
> {code}
> //org.apache.hadoop.mapreduce.lib.input.FileInputFormat
>   public static void addInputPath(Job job, 
>                                   Path path) throws IOException {
>     Configuration conf = job.getConfiguration();
>     FileSystem fs = FileSystem.get(conf);
>     path = path.makeQualified(fs); // the original FileSystem is lost.
>     ...
>   }
> {code}
> There is a similar problem in FileInputFormat.setInputPaths(..).

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