On Apr 30, 2009, at 6:51 AM, fmeili wrote:
Hi all,
I try to deploy an EAR with some (skinny) WAR's and some EJB's. All
EJB's
use the @Resource tag for Database access. I always get a deployment
error,
that the resource could not auto-map. Instead the error message tell
me to
use a Geronimo deployment plan.
After looking deeper in the Deployment plan mechanism of Geronimo I'm
completely confused. I found that I need an "openejb-jar.xml" and
use the
<resource-ref> Tag in it. This only works, if I have also a standard
"ejb-jar.xml". But does this mean, that I have to really write all
the "old
pre JEE5" deployment descriptors for all my EJB's to deploy the EAR to
Geronimo?
You don't have to do that.
Is there a way to tell Geronimo the name of a JDBC resource globally
- maybe
in the "geronimo-application.xml" - I haven't found a hint about this?
I tried Geronimo 2.1.4 and 2.2-SNAPSHOT.
So..... geronimo is assembled out of plugins (e.g. your app becomes a
plugin once deployed). The plugins form a directed acyclic graph
(each plugin has a bunch of parents, and you can't have circular
dependencies). When the deployer tries to figure out what datasource
you're asking for it looks only in the directed acyclic subgraph of
ancestors of your app. (this lets you deploy lots of distinct
datasources with the same "name" in different plugins and still be
able to refer to them individually without specifying the exact plugin
they come from everywhere you want a datasource).
So...
- deploy a datasource e.g. using the console and note what the
artifact name is for the resulting plugin
- add a dependency on that datasource plugin into the ear or ejb plan
(geronimo-application.xml or openejb-jar.xml)
As long as the name in the @Resource annotation matches the name in
the connector plan that's all that's necessary.
thanks
david jencks
Thanks in advance for an answer,
greetings,
Frank
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