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From Ron Smits <r...@ronsmits.com>
Subject Re: JNDI Datasource question
Date Mon, 02 Dec 2002 08:17:50 GMT
Jake,

thanks, this is a great answer and answers my question exactly. :)
Especially the "META-INF/context.xml". was somthing that I must have
overlooked 

Ron

On Mon, 2002-12-02 at 11:09, Jacob Kjome wrote:
> 
> Hi Ron,
> 
> That is referring to a context configuration file.  You *always* need to 
> set up your DataSources through the proprietary server configuration.  The 
> stuff in the web.xml only defines the interface.  For instance, if you set 
> up DBCP specific stuff in the web.xml file, your app would be dependent on 
> running under Tomcat and be incompatible with every other app server.  JNDI 
> is meant to provide a standard interface while allowing the vendor to 
> provide a proprietary implementation.  That way, you get to code to a 
> standard and you get to pick the vendor who provides the best 
> implementation (by your own definition).  That provides for both standards 
> *and* market competition.  Neat, eh?
> 
> See the following for context configuration files:
> http://jakarta.apache.org/tomcat/tomcat-4.1-doc/config/host.html#Automatic%20Application%20Deployment
> 
> Also, look at admin.xml and manager.xml in CATALINA_HOME/webapps for reference.
> 
> I addition, Craig R. McClanahan pointed out the following when deploying 
> via the manager app:
> 
> <quote>
> For the deploy command, simply include your context confgiuration file in
> the WAR at "META-INF/context.xml".
> 
> In Tomcat 4.1, you can dynamically deploy a "context configuration file"
> instead of, or along with your webapp.  Such a file can contain the
> <Context> element, and all nested subelements, from what you would
> normally put in server.xml, so you can indeed dynamically deploy an app
> with a custom realm.
> </quote>
> 
> Jake



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