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From "Craig R. McClanahan" <>
Subject Re: [4.1.12] How to Implement Custom JNDI Tree?
Date Sat, 07 Dec 2002 02:35:09 GMT

On Fri, 6 Dec 2002, Gavin, Rick wrote:

> Date: Fri, 6 Dec 2002 06:49:38 -0800
> From: "Gavin, Rick" <>
> Reply-To: Tomcat Users List <>
> To: "Tomcat Users List (E-mail)" <>
> Subject: [4.1.12] How to Implement Custom JNDI Tree?
> Hi All,
>   I have implemented a JNDI tree for my sites configuration options since
> the built in tomcat context can not be modified at runtime( unless something
> changed ). Can anyone tell me what the best way to implement the use of it.
> Currently I have a static Settings class that has a DirContext property that
> is the InitialContext of the Tree.  I also tried setting the root context
> object as a property of tomcats ServletContext so I'm able to request it
> from within a JSP or servlet with out using the static object.  But both
> ways seem a little clunky.  tomcat uses a URL to get to its own initial
> context..   [ Context envCtx = (Context) initCtx.lookup("java:comp/env"); ]
> .  I looked at the URL binding and I thought I would ask if that's the right
> ( best ) way to go before I spent time on it..

It would be feasible to add your configuration DirContext as a subcontext
of the one Tomcat provides to your app if you wanted to.  See the docs:

especially the part about using your own resource factory.

> Thanks for any help,
> Rick


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