The Apache group's j2ee server is called Geronimo. Here are some notes.
The home page is
http://geronimo.apache.org/ and there's a wiki at
http://wiki.apache.org/geronimo/.
Concepts
GBean
Geronimo is modular; it consists of a kernel and a set of components that implement the features needed to implement the
J2EE specification. GBean (short for "Geronimo Bean") is the kernel-component interface. There's no GBean interface per se, but each GBean has a corresponding
GBeanInfo object that describes the GBean and tells the kernel how to interact with it.
The source code for the
GBeanTest
class shows how a GBean is used.
GBeans are tracked using an MBeanServer (
an MBean directory?).
Misc
Startup
Needs to be run from the
target
directory (classpaths are relative to that dir). Runs using a
standalone application jar called
server.jar
. The startup class specified in
MANIFEST.MF
is
o.a.g.system.main.Daemon. The Daemon is a command-line wrapper around
o.a.g.kernel.Kernel.
Deployment
wiki page here:
http://wiki.apache.org/geronimo/Deployment
j2ee xml descriptor files (and their geronimo counterparts) are marshalled into java classes using apache xmlbeans (
http://xml.apache.org/xmlbeans).
--
TobyCabot - 30 Jun 2004
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