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From Alec Swan <alecs...@gmail.com>
Subject Re: Virtual host deployment
Date Tue, 14 Sep 2010 22:10:18 GMT
GlobalResources sounds like what I am looking for. According this page (
http://tomcat.apache.org/tomcat-6.0-doc/config/globalresources.html) it
seems like I need to just add the following configuration in server.xml:

<GlobalNamingResources ...>
  ...
  <Resource name="jdbc/EmployeeDB" auth="Container"
            type="javax.sql.DataSource"
     description="Employees Database for HR Applications"/>
  ...
</GlobalNamingResources>


If I understand correctly, this will make jdbc/EmployeeDB JNDI resource
available to every web application deployed in the container, correct?
Will it override the JNDI resource definition packaged in
META-INF/context.xml inside of the WAR file?

Thanks!

On Tue, Sep 14, 2010 at 3:58 PM, Pid <pid@pidster.com> wrote:

> On 14/09/2010 22:52, Alec Swan wrote:
> > Hi Chris,
> >
> > Thank you for the defaultHost recommendation.
> >
> > The deployment scenario I would like to support requires deploying the
> same
> > WAR file on the development server first and then on the production
> server.
> > Development and production servers use different database credentials, so
> I
> > cannot package them in the WAR file itself. So, the database credentials
> > should be stored somewhere in the server configuration.
> >
> > What is the recommended way to support  this scenario? Is there any other
> > place besides conf/context.xml where I can store server-specific DB
> > credentials?
>
> You're not defining the DB Resource in GlobalResources?
>
>
> p
>
> > Thanks,
> >
> > Alec
> >
> > On Tue, Sep 14, 2010 at 3:18 PM, Christopher Schultz <
> > chris@christopherschultz.net> wrote:
> >
> > Alec,
> >
> > On 9/14/2010 5:04 PM, Alec Swan wrote:
> >>>> I have a WAR file which I distribute to multiple servers with multiple
> >>>> virtual hosts. On each server I have a database, which is accessed by
> all
> >>>> virtual host apps on this server.
> >
> > I'm interested: is the WAR actually identical, including all settings
> > for all virtual hosts? If so, you can save yourself a lot of memory and
> > database connections by deploying a single copy to a single <Host> and
> > either setting that host as the "defaultHost" for the <Service> or using
> > <Aliases> within the <Host>.
> >
> >>>> Is it the right approach to put database access credentials in
> >>>> $TOMCAT/conf/context.xml
> >
> > No. You shouldn't really modify conf/context.xml unless you have a
> > really really good reason to do so.
> >
> >>>> which will then be loaded by each virtual host app
> >>>> or should I put them somewhere else?
> >
> > Put the <Resource> for your database connection pool into your webapp's
> > META-INF/context.xml file.
> >
> > -chris
> >>
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