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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-2317) HadoopArchives throwing NullPointerException while creating hadoop archives (.har files)
Date Fri, 22 Apr 2011 18:45:05 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2317?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13023331#comment-13023331
] 

Hadoop QA commented on MAPREDUCE-2317:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12477114/MAPREDUCE-2317-trunk.patch
  against trunk revision 1094093.

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

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    +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 (version 1.3.9) warnings.

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

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

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

    +1 system test framework.  The patch passed system test framework compile.

Test results: https://builds.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/179//testReport/
Findbugs warnings: https://builds.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/179//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/179//console

This message is automatically generated.

> HadoopArchives throwing NullPointerException while creating hadoop archives (.har files)
> ----------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-2317
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2317
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: harchive
>    Affects Versions: 0.20.3
>         Environment: windows
>            Reporter: Devaraj K
>            Assignee: Devaraj K
>            Priority: Minor
>             Fix For: 0.20.3, 0.23.0
>
>         Attachments: MAPREDUCE-2317-0.20.patch, MAPREDUCE-2317-trunk.patch, MAPREDUCE-2317.patch
>
>
> While we are trying to run hadoop archive tool in widows using this way, it is giving
the below exception.
> java org.apache.hadoop.tools.HadoopArchives -archiveName temp.har D:/test/in E:/temp
> {code:xml} 
> java.lang.NullPointerException
> 	at org.apache.hadoop.tools.HadoopArchives.writeTopLevelDirs(HadoopArchives.java:320)
> 	at org.apache.hadoop.tools.HadoopArchives.archive(HadoopArchives.java:386)
> 	at org.apache.hadoop.tools.HadoopArchives.run(HadoopArchives.java:725)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
> 	at org.apache.hadoop.tools.HadoopArchives.main(HadoopArchives.java:739)
> {code} 
> I see the code flow to handle this feature in windows also, 
> {code:title=Path.java|borderStyle=solid}
> /** Returns the parent of a path or null if at root. */
>   public Path getParent() {
>     String path = uri.getPath();
>     int lastSlash = path.lastIndexOf('/');
>     int start = hasWindowsDrive(path, true) ? 3 : 0;
>     if ((path.length() == start) ||               // empty path
>         (lastSlash == start && path.length() == start+1)) { // at root
>       return null;
>     }
>     String parent;
>     if (lastSlash==-1) {
>       parent = CUR_DIR;
>     } else {
>       int end = hasWindowsDrive(path, true) ? 3 : 0;
>       parent = path.substring(0, lastSlash==end?end+1:lastSlash);
>     }
>     return new Path(uri.getScheme(), uri.getAuthority(), parent);
>   }
> {code} 

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