Nowadays, I have some problems with the deployment in OAS, as I can't access
the
web application deployed. I have tried to deploy only one WAR file, with the
idea given by
Stuart Lewis, and with the two WAR files, within the same OC4J.
I haven't any problem with the several phases of deployment, but when I try
to access to the
path in the browser, I get an error.
About the questions, I have one Oracle Database configured in dspace.cfg,
and I don't
believe that there could be any problem with several web-apps deployed in
OAS using the same DB.
So, I think that my problem is due to another issue.
When I manage to solve this issue I will communicate it to you.
Best.
On 2/17/07, Graham Triggs <[EMAIL PROTECTED]> wrote:
From: Mark Diggory
>Is there something unique about Oracle Application Server that is
stopping
>two separately deployed web-apps from both using the same db?
I suspect you would be as surprised as I would if you were told that was
the
case. It would be a massive limitation.
>I'm a little naive about using Oracle Application Server / Oracle DB.
What
>stops you from deploying each war separately? What issues would arise
that
>are a concern if you did?
The question is whether both WARs can reside with the same OC4J instance,
or
whether they have to be in separate ones. I've only got a vague
understanding of what an OC4J instance is, but to put in context, it
sounds
like it has a roughly similar scope to a CATALINA_BASE instance (then
imagine Tomcat running with multiple simultaneous instances of those).
I can see administration benefits to having both web apps in a single
instance (and some restrictions when running in spearate instances).
Judging
by question 25 of the FAQ, this should be possible:
http://www.oracle.com/technology/tech/java/oc4j/1012/collateral/OC4J-FAQ-101202.pdf
25 Where can I put shared class libraries so they are accessible to all my
deployed applications?
OC4J is configured by default with a shared directory. The directory is
<J2EE_HOME>/applib. Any class libraries that are placed in this directory
will be accessible to applications deployed on OC4J.
The shared directory is specified using the <library> tag in the default
application configuration file <J2EE_HOME>/config/application.xml.
<orion-application autocreate-tables="true"
default-data-source="jdbc/OracleDS">
<web-module id="defaultWebApp" path="../../home/default-web-app"/>
<web-module id="dms0" path="../../home/applications/dms0.war"/>
<web-module id="dms" path="../../home/applications/dms.war"/>
<persistence path="../persistence"/>
<!-- Path to the libraries that are installed on this server.
These will accesible for the servlets, EJBs etc -->
<library path="../applib"/>
...
</orion-application>
For more information about class Loading and packaging issues, see the
technical note on OTN --
http://otn.oracle.com/tech/java/oc4j/pdf/ClassLoadingInOC4J_WP.pdf.
G
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