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From "Ivan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (GERONIMO-6475) Legacy JNDI context usage support
Date Mon, 01 Jul 2013 05:55:19 GMT
Ivan created GERONIMO-6475:
------------------------------

             Summary: Legacy JNDI context usage support
                 Key: GERONIMO-6475
                 URL: https://issues.apache.org/jira/browse/GERONIMO-6475
             Project: Geronimo
          Issue Type: Bug
      Security Level: public (Regular issues)
          Components: naming
    Affects Versions: 3.0.1
            Reporter: Ivan
            Assignee: Ivan
             Fix For: 3.0.2


One tradition usage for JNDI API is that, the users could configure a factory class while
creating the Context instance, and the jar file contains the context factory is shipped in
the user application. 

Hashtable env = new Hashtable();
env.put(Context.INITIAL_CONTEXT_FACTORY, "org.apache.myContextFactory");
InitialContext ctx = new InitialContext(env);

While moving to OSGi, the typical scenario above will not work, as the current JNDI lookup
follows the JNDI OSGi spec, except that the configured factory could be loaded from JRE, we
will always return the default XBean context.

I could saw two solutions for this, 

a. Enable the leagacy JNDI support from Aries

http://svn.apache.org/repos/asf/aries/tags/jndi-0.3/jndi-legacy-support/src/main/java/org/apache/aries/jndi/legacy/support/LegacyInitialContextFinder.java

b. Add the similar logic in our DefaultInitialContextFactoryBuilder.

I would prefer the option b, considering the logic is so simple, and there is no need to import
another  jar file, also, we may not suffer the potential ordering issue, since the current
DefaultInitialContextFactoryBuilder will always return one context instance.

Another reason is that, in my opinion, once the users have specified the context factory and
we failed to create the jndi context, there is no need to for the next step trying, also,
the log should be print to notify the users for the errors.

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