ldif files not sorted in alphabetical order on Linux
----------------------------------------------------

                 Key: DIRSERVER-1560
                 URL: https://issues.apache.org/jira/browse/DIRSERVER-1560
             Project: Directory ApacheDS
          Issue Type: Bug
    Affects Versions: 1.5.7
         Environment: CentOS - Linux
            Reporter: Carsten Kaiser


        Von:    Kiran Ayyagari <[email protected]>
        Betreff:        Re: Problem with sorting of ldif files on Linux
        Datum:  28. September 2010 12:51:36 MESZ
        An:     [email protected]
        Kopie:  Sven Baum <[email protected]>
        Antwort an:     [email protected]

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 org.apache.directory.server.configuration.ApacheDS

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 java.io.File

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 updated 

Kind regards,
CAK 

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