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From Andres <>
Subject Re: java:comp/ORB
Date Fri, 23 Mar 2007 18:58:15 GMT

I verified that if I add a dependency to j2ee-corba-yoko, the ORB gets
started (port 6882 gets opened) when starting our WAR.  However, my servlet
still cannot see java:comp/ORB.  Do I need any other dependencies?



djencks wrote:
> On Mar 21, 2007, at 10:47 PM, Andres wrote:
>> In our situation, we have a startup servlet that is looking for an ORB
>> because we need to make a callback to another CORBA component.  It  
>> sounds
>> like we should have access to java:comp/ORB since the code is  
>> running in a
>> servlet, but I tried it (after turning the ORB on) in Geronimo 1.2  
>> and it
>> throws an exception (javax.naming.NameNotFoundException: ORB).  Our
>> workaround is to call ORB.init if java:comp/ORB is not found.  I was
>> originally having problems shutting the ORB down using destroy() using
>> Geronimo 1.1/Sun ORB, but since I moved to Geronimo 1.2, this  
>> appears to no
>> longer be a problem with the Yoko ORB.
> I think if you add a dependency on the yoko module (j2ee-corba-yoko)  
> in the environment of your servlet plan you will be able to look up  
> the orb in jndi.  When deciding whether to turn on the orb for you we  
> look for corba style ejb references or an explicit dependency on the  
> orb module: if neither is present we try to simplify the server by  
> not starting the orb.
> Hope this helps
> david jencks
>> Andres
>> djencks wrote:
>>> On Mar 17, 2007, at 5:34 PM, Andres wrote:
>>>> We are porting an application from Websphere 6.1 to Geronimo
>>>> 1.1.1.  We have
>>>> a CORBA component (not EJB) that used to obtain the ORB by  
>>>> looking up
>>>> java:comp/ORB.  Is there a way to do this in the present release
>>>> using JNDI
>>>> or will this be available in 1.2./2.0 when global JNDI support is
>>>> completed?
>>> if this is a corba service that runs in a thread started by the orb,
>>> and doesn't go through any j2ee components, I'm not sure you will be
>>> able to bind the orb under java:comp even in 1.2/2.0.  In 1.2  you'll
>>> be able to write some extra code to bind an orb anywhere you want in
>>> global jndi, but I'm not sure whether you can bind into the
>>> "java:comp" context since that is pretty heavily specified for use by
>>> j2ee components.  It might work, I don't know.  In 2.0 this will be
>>> at least as possible and the orb may be pre-bound (although AFAIK
>>> that isn't implemented yet)
>>> If the thread this runs on went through a j2ee component before
>>> getting to your code, there should be an orb bound to java:comp/ORB
>>> already so long as the orb module is actually running.  We've
>>> generally shipped with the orb turned off and turn it on when we
>>> detect an app using corba transport for ejbs.  So one thing you want
>>> to do is look in var/config/config.xml or the admin console and see
>>> if its on.  In 1.2/2.0 I think the module is called
>>> org.apache.geronimo.configs.corba-yoko/${version}/car, and in 1.1.1
>>> probably geronimo/openejb-corba-sun/1.1.1/car.
>>> Hope this helps,  feel free to ask more.
>>> david jencks
>>>> Thanks.
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