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From "David Jencks (JIRA)" <j...@apache.org>
Subject [jira] Created: (DIRSERVER-834) Schema partition bootstrap code should be more flexible and reliable
Date Mon, 22 Jan 2007 00:58:29 GMT
Schema partition bootstrap code should be more flexible and reliable
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                 Key: DIRSERVER-834
                 URL: https://issues.apache.org/jira/browse/DIRSERVER-834
             Project: Directory ApacheDS
          Issue Type: Improvement
    Affects Versions: 1.5.0
            Reporter: David Jencks
         Assigned To: David Jencks


Currently the extraction code is packed together with the output of the apacheds-bootstrap-plugin
into the same jar.  However, the extraction code blythely assumes that there's only one set
of files to be loaded available on the classpath.  This makes it needlessly difficult to change
the bootstrap schemas (you have to include the extraction code yourself) and dangerous (there's
no check that only one set of files exist).

I'd like to

- put the extraction classes in a separate jar
- change them to check that there is only one set of files to try to load.

After this it should be easy to set up a jar with the bootstrap schemas you need for a particular
apacheds application by using the apacheds-bootstrap-plugin and then include that jar in the
server cp for that application and get the schemas you need with no setup code.

Apparently there's been some misconception that getClass().getResource() will only load from
the jar the class is in.  Looking at the code involved, Class.getResource delegates to the
class's classloader, which proceeds (in general) to start by searching the parent classpath.
If not found it calls findResource. The javadoc for URLClassLoader.findResource says:
     * Finds the resource with the specified name on the URL search path.

so there is no restriction to the jar the class came from.

So, I think that even if we keep the extraction classes in the same jar as the files to extract
we should make sure there's only one set in the classpath to unpack.

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