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From "Felix Knecht (JIRA)" <>
Subject [jira] Updated: (DIRSERVER-1560) ldif files not sorted in alphabetical order on Linux
Date Tue, 28 Sep 2010 13:04:33 GMT


Felix Knecht updated DIRSERVER-1560:

    Attachment: ldif-alphabetic-order.patch

Patch for alphabetic ordering. I don't commit it as I'm not able to test it, sorry.

Hope that anybody with more knowledge can test (and when ok commit) it.

> ldif files not sorted in alphabetical order on Linux
> ----------------------------------------------------
>                 Key: DIRSERVER-1560
>                 URL:
>             Project: Directory ApacheDS
>          Issue Type: Bug
>    Affects Versions: 1.5.7
>         Environment: CentOS - Linux
>            Reporter: Carsten Kaiser
>         Attachments: ldif-alphabetic-order.patch
> 	Von: 	Kiran Ayyagari <>
> 	Betreff: 	Re: Problem with sorting of ldif files on Linux
> 	Datum: 	28. September 2010 12:51:36 MESZ
> 	An:
> 	Kopie: 	Sven Baum <>
> 	Antwort an:
> Hi there,
> we are using ApacheDS respectively the Maven ApacheDS Plugin to run our integration tests
against a clean LDAP server instance and therefore populate
> it with the according schema information and setup data on test startup. We have different
ldif files for schema and setup data especially named in alphabetical order
> to ensure, that the schema information is loaded before the setup data. Although this
works fine for e.g. on MacOSX it does not work on Linux due to the following
> Code Snippet from class
> else
> {
>     // get all the ldif files within the directory (should be sorted alphabetically)
>    File[] ldifFiles = ldifDirectory.listFiles( new FileFilter()
>    { 
>        public boolean accept( File pathname )
>        {
>              boolean isLdif = pathname.getName().toLowerCase().endsWith( ".ldif" );
>              return pathname.isFile() && pathname.canRead() && isLdif;
>        }
>     } );
> According to Javadoc of class
> Returns an array of abstract pathnames denoting the files in the directory denoted by
this abstract pathname.
> If this abstract pathname does not denote a directory, then this method returns null.
Otherwise an array of File objects is returned, one for each file or directory in the directory.
Pathnames denoting the directory itself and the directory's parent directory are not included
in the result. Each resulting abstract pathname is constructed from this abstract pathname
using the File(File, String) constructor. Therefore if this pathname is absolute then each
resulting pathname is absolute; if this pathname is relative then each resulting pathname
will be relative to the same directory.
> -> There is no guarantee that the name strings in the resulting array will appear
in any specific order; they are not, in particular, guaranteed to appear in alphabetical order.
> the assumption stated in the code snippet above is not valid and depends on the platform
resp. Java implementation.
> In order to be platform independent the retrieved array of ldif files should be sorted
in alphabetical order explicitly after retrieval.
> so you want them in a sorted order right, can you create a JIRA for this, will fix it
> Since I'm not a committer could someone please provide a patch for this problem?
> When will the next version of the maven ApacheDS plugin be available depending on the
most current ApacheDS version (hopefully including a fix for this problem)? Currently it refers
to 1.5.5...
> this is not a official plugin from Apache Directory Project, so can't say when it gets
> Kind regards,
> CAK 

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