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Posted to common-issues@hadoop.apache.org by "Chris Nauroth (JIRA)" <ji...@apache.org> on 2010/10/25 08:41:21 UTC

[jira] Created: (HADOOP-7006) hadoop fs -getmerge does not work using codebase from trunk.

hadoop fs -getmerge does not work using codebase from trunk.
------------------------------------------------------------

                 Key: HADOOP-7006
                 URL: https://issues.apache.org/jira/browse/HADOOP-7006
             Project: Hadoop Common
          Issue Type: Bug
          Components: fs
    Affects Versions: 0.22.0
            Reporter: Chris Nauroth
             Fix For: 0.22.0


Running the codebase from trunk, the hadoop fs -getmerge command does not work.  As implemented in prior versions (i.e. 0.20.2), I could run hadoop fs -getmerge pointed at a directory containing multiple files.  It would merge all files into a single file on the local file system.  Running the same command using the codebase from trunk, it looks like nothing happens.


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[jira] Updated: (HADOOP-7006) hadoop fs -getmerge does not work using codebase from trunk.

Posted by "Chris Nauroth (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/HADOOP-7006?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chris Nauroth updated HADOOP-7006:
----------------------------------

    Attachment: HADOOP-7006.patch

I've attached the patch.  Could I please have a code review?  Thank you.

> hadoop fs -getmerge does not work using codebase from trunk.
> ------------------------------------------------------------
>
>                 Key: HADOOP-7006
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7006
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.22.0
>            Reporter: Chris Nauroth
>             Fix For: 0.22.0
>
>         Attachments: HADOOP-7006.patch
>
>
> Running the codebase from trunk, the hadoop fs -getmerge command does not work.  As implemented in prior versions (i.e. 0.20.2), I could run hadoop fs -getmerge pointed at a directory containing multiple files.  It would merge all files into a single file on the local file system.  Running the same command using the codebase from trunk, it looks like nothing happens.

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[jira] Commented: (HADOOP-7006) hadoop fs -getmerge does not work using codebase from trunk.

Posted by "Chris Nauroth (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/HADOOP-7006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12925045#action_12925045 ] 

Chris Nauroth commented on HADOOP-7006:
---------------------------------------

Thanks, Aaron and Doug.

I'm following the directions from http://wiki.apache.org/hadoop/HowToContribute .  I don't see the "Submit Patch" link to trigger Hudson though.  Is there something else that I need to do?


> hadoop fs -getmerge does not work using codebase from trunk.
> ------------------------------------------------------------
>
>                 Key: HADOOP-7006
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7006
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.22.0
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>             Fix For: 0.22.0
>
>         Attachments: HADOOP-7006.patch, HADOOP-7006.patch
>
>
> Running the codebase from trunk, the hadoop fs -getmerge command does not work.  As implemented in prior versions (i.e. 0.20.2), I could run hadoop fs -getmerge pointed at a directory containing multiple files.  It would merge all files into a single file on the local file system.  Running the same command using the codebase from trunk, it looks like nothing happens.

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[jira] Updated: (HADOOP-7006) hadoop fs -getmerge does not work using codebase from trunk.

Posted by "Doug Cutting (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/HADOOP-7006?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Doug Cutting updated HADOOP-7006:
---------------------------------

    Attachment: HADOOP-7006.patch

Tests failed for me until I also changed the file merge to sort the files.  This is probably a good idea anyway.  Here's a new version of the patch with that change.

> hadoop fs -getmerge does not work using codebase from trunk.
> ------------------------------------------------------------
>
>                 Key: HADOOP-7006
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7006
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.22.0
>            Reporter: Chris Nauroth
>             Fix For: 0.22.0
>
>         Attachments: HADOOP-7006.patch, HADOOP-7006.patch
>
>
> Running the codebase from trunk, the hadoop fs -getmerge command does not work.  As implemented in prior versions (i.e. 0.20.2), I could run hadoop fs -getmerge pointed at a directory containing multiple files.  It would merge all files into a single file on the local file system.  Running the same command using the codebase from trunk, it looks like nothing happens.

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[jira] Commented: (HADOOP-7006) hadoop fs -getmerge does not work using codebase from trunk.

Posted by "Aaron T. Myers (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/HADOOP-7006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12924625#action_12924625 ] 

Aaron T. Myers commented on HADOOP-7006:
----------------------------------------

I've reviewed the patch, and it looks good to me.

> hadoop fs -getmerge does not work using codebase from trunk.
> ------------------------------------------------------------
>
>                 Key: HADOOP-7006
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7006
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.22.0
>            Reporter: Chris Nauroth
>             Fix For: 0.22.0
>
>         Attachments: HADOOP-7006.patch
>
>
> Running the codebase from trunk, the hadoop fs -getmerge command does not work.  As implemented in prior versions (i.e. 0.20.2), I could run hadoop fs -getmerge pointed at a directory containing multiple files.  It would merge all files into a single file on the local file system.  Running the same command using the codebase from trunk, it looks like nothing happens.

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[jira] Commented: (HADOOP-7006) hadoop fs -getmerge does not work using codebase from trunk.

Posted by "Aaron T. Myers (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/HADOOP-7006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12925053#action_12925053 ] 

Aaron T. Myers commented on HADOOP-7006:
----------------------------------------

Doug already marked the ticket patch available.

Not quite sure why Hudson hasn't picked it up yet - might just be taking some time to get around to it (the HDFS tests take quite a while to run.)

> hadoop fs -getmerge does not work using codebase from trunk.
> ------------------------------------------------------------
>
>                 Key: HADOOP-7006
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7006
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.22.0
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>             Fix For: 0.22.0
>
>         Attachments: HADOOP-7006.patch, HADOOP-7006.patch
>
>
> Running the codebase from trunk, the hadoop fs -getmerge command does not work.  As implemented in prior versions (i.e. 0.20.2), I could run hadoop fs -getmerge pointed at a directory containing multiple files.  It would merge all files into a single file on the local file system.  Running the same command using the codebase from trunk, it looks like nothing happens.

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[jira] Updated: (HADOOP-7006) hadoop fs -getmerge does not work using codebase from trunk.

Posted by "Doug Cutting (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/HADOOP-7006?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Doug Cutting updated HADOOP-7006:
---------------------------------

    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

I just committed this.  Thanks, Chris!

> hadoop fs -getmerge does not work using codebase from trunk.
> ------------------------------------------------------------
>
>                 Key: HADOOP-7006
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7006
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.22.0
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>             Fix For: 0.22.0
>
>         Attachments: HADOOP-7006.patch, HADOOP-7006.patch
>
>
> Running the codebase from trunk, the hadoop fs -getmerge command does not work.  As implemented in prior versions (i.e. 0.20.2), I could run hadoop fs -getmerge pointed at a directory containing multiple files.  It would merge all files into a single file on the local file system.  Running the same command using the codebase from trunk, it looks like nothing happens.

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[jira] Commented: (HADOOP-7006) hadoop fs -getmerge does not work using codebase from trunk.

Posted by "Hudson (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/HADOOP-7006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12925330#action_12925330 ] 

Hudson commented on HADOOP-7006:
--------------------------------

Integrated in Hadoop-Common-trunk #494 (See [https://hudson.apache.org/hudson/job/Hadoop-Common-trunk/494/])
    HADOOP-7006. Fix 'fs -getmerge' command to not be a no-op.  Contributed by Chris Nauroth.


> hadoop fs -getmerge does not work using codebase from trunk.
> ------------------------------------------------------------
>
>                 Key: HADOOP-7006
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7006
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.22.0
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>             Fix For: 0.22.0
>
>         Attachments: HADOOP-7006.patch, HADOOP-7006.patch
>
>
> Running the codebase from trunk, the hadoop fs -getmerge command does not work.  As implemented in prior versions (i.e. 0.20.2), I could run hadoop fs -getmerge pointed at a directory containing multiple files.  It would merge all files into a single file on the local file system.  Running the same command using the codebase from trunk, it looks like nothing happens.

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[jira] Commented: (HADOOP-7006) hadoop fs -getmerge does not work using codebase from trunk.

Posted by "Doug Cutting (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/HADOOP-7006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12925099#action_12925099 ] 

Doug Cutting commented on HADOOP-7006:
--------------------------------------

Ran test-patch by hand.

{code}
-1 overall.  

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

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

    -1 javadoc.  The javadoc tool appears to have generated 1 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 warnings.

    +1 system tests framework.  The patch passed system tests framework compile.
{code}

The javadoc test seems broken, as it fails even when I run test-patch with an empty patch file.

> hadoop fs -getmerge does not work using codebase from trunk.
> ------------------------------------------------------------
>
>                 Key: HADOOP-7006
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7006
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.22.0
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>             Fix For: 0.22.0
>
>         Attachments: HADOOP-7006.patch, HADOOP-7006.patch
>
>
> Running the codebase from trunk, the hadoop fs -getmerge command does not work.  As implemented in prior versions (i.e. 0.20.2), I could run hadoop fs -getmerge pointed at a directory containing multiple files.  It would merge all files into a single file on the local file system.  Running the same command using the codebase from trunk, it looks like nothing happens.

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[jira] Commented: (HADOOP-7006) hadoop fs -getmerge does not work using codebase from trunk.

Posted by "Hudson (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/HADOOP-7006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12925159#action_12925159 ] 

Hudson commented on HADOOP-7006:
--------------------------------

Integrated in Hadoop-Common-trunk-Commit #402 (See [https://hudson.apache.org/hudson/job/Hadoop-Common-trunk-Commit/402/])
    HADOOP-7006. Fix 'fs -getmerge' command to not be a no-op.  Contributed by Chris Nauroth.


> hadoop fs -getmerge does not work using codebase from trunk.
> ------------------------------------------------------------
>
>                 Key: HADOOP-7006
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7006
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.22.0
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>             Fix For: 0.22.0
>
>         Attachments: HADOOP-7006.patch, HADOOP-7006.patch
>
>
> Running the codebase from trunk, the hadoop fs -getmerge command does not work.  As implemented in prior versions (i.e. 0.20.2), I could run hadoop fs -getmerge pointed at a directory containing multiple files.  It would merge all files into a single file on the local file system.  Running the same command using the codebase from trunk, it looks like nothing happens.

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[jira] Commented: (HADOOP-7006) hadoop fs -getmerge does not work using codebase from trunk.

Posted by "Chris Nauroth (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/HADOOP-7006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12924465#action_12924465 ] 

Chris Nauroth commented on HADOOP-7006:
---------------------------------------

It appears that this was introduced with changeset 949658.  Here is a partial diff of org.apache.hadoop.fs.FileUtil:

{noformat}
@@ -258,7 +258,7 @@
                                   Configuration conf, String addString) throws IOException {
     dstFile = checkDest(srcDir.getName(), dstFS, dstFile, false);
 
-    if (!srcFS.getFileStatus(srcDir).isDir())
+    if (srcFS.getFileStatus(srcDir).isDirectory())
       return false;
{noformat}

Notice that in addition to switching from isDir() to isDirectory(), this change also dropped the negation on the front of the condition.  I'll attach a simple one-line patch to restore functionality.  I've also added a unit test to cover the FileUtil.copyMerge API.  I'd like to volunteer for HADOOP-6387 next, and I want this unit test in place as a regression test while I work on that.


> hadoop fs -getmerge does not work using codebase from trunk.
> ------------------------------------------------------------
>
>                 Key: HADOOP-7006
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7006
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.22.0
>            Reporter: Chris Nauroth
>             Fix For: 0.22.0
>
>
> Running the codebase from trunk, the hadoop fs -getmerge command does not work.  As implemented in prior versions (i.e. 0.20.2), I could run hadoop fs -getmerge pointed at a directory containing multiple files.  It would merge all files into a single file on the local file system.  Running the same command using the codebase from trunk, it looks like nothing happens.

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[jira] Updated: (HADOOP-7006) hadoop fs -getmerge does not work using codebase from trunk.

Posted by "Doug Cutting (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/HADOOP-7006?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Doug Cutting updated HADOOP-7006:
---------------------------------

        Assignee: Chris Nauroth
    Hadoop Flags: [Reviewed]
          Status: Patch Available  (was: Open)

> hadoop fs -getmerge does not work using codebase from trunk.
> ------------------------------------------------------------
>
>                 Key: HADOOP-7006
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7006
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.22.0
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>             Fix For: 0.22.0
>
>         Attachments: HADOOP-7006.patch, HADOOP-7006.patch
>
>
> Running the codebase from trunk, the hadoop fs -getmerge command does not work.  As implemented in prior versions (i.e. 0.20.2), I could run hadoop fs -getmerge pointed at a directory containing multiple files.  It would merge all files into a single file on the local file system.  Running the same command using the codebase from trunk, it looks like nothing happens.

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