Hello,
If you have seen this message before, please ignore.
Here is a problem regarding to EJB development, and I would like to know
how other people solve it.
We are currently developing a reasonably large system with WebLogic EJB
Server with dozens of developers. We plan to have each developer run
their own EJB Server on their PC for developing their own EJBean. Once
the EJBean is developed, it is moved/deployed to a EJB Server running on
a larger Unix box to be shared by all developers. Then developers work
on new EJBeans which depends on those EJBeans on the Unix server.
This present a problem: How do you concurrently access EJBeans in two
EJB
server with location transparency? We don't want to hard-code any
location
info because all EJBeans will evnetually end up on the Unix Server.
My understanding is that EJB Homes are published in JNDI by containers
into
individual EJB servers. If we can make the contents of Unix Server's
JNDI
naming space available on each developer's PC's EJB server / JNDI naming
system, then the problem is solved. At present, we are not planning to
use WebLogic clustering approach.
We are writing a JNDI application to do it ourself. I am thinking along
the line
1) get a JNDI Reference of the EJB Home on Unix Server,
2) add that Reference/LinkRef into my PC's JNDI.
I have no success yet - I could not find a way to get the JNDI Reference
in
step 1) after reading all the specs and tutorials (with some
confusions).
It seems to me that Reference is handled by Service Provider and not
for "client" programming use.
So I wonder
- is our approach correct?
- If no, what's correct approach?
- If yes, How do I get the Reference?
- Also, how an EJBean is published in JNDI naming system? I mean, does
Container just bind the Home class to the name, or a JNDI Reference to
the Home class is bound?
- JNDI also mentioned URL for constructing RefAddr/Reference. Where
could I
get this URL naming convention for EJB servers?
Thanks in advance,
Chuck Zheng
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