RE: [Springframework-developer] Spring/Geronimo

[Keith D. <kd...@cs...>]

James,

When you get some time, if you could elaborate more on the JMX support =
in
Geronimo, and how you see Spring beans being recognized as 'manageable' =
(via
configuration metadata I assume?) so they can be appropriately =
registered in
an MBeanServer running with in the app server, that would be =
fantastic...
Some questions I had:

- Are you planning to support Standard (specifically StandardMBean in =
JMX
1.2), Model, and/or Dynamic MBeans?

- If I were to instantiate a POJO in a spring context and associate
management metadata with it: e.g. metadata that could consist of the =
class
of a management interface (for standard mbeans), or a model mbean =
descriptor
key (that could be used to lookup mbean metadata from some other source,
used to instantiate a generic model mbean proxy), along with the JMX =
object
name, how do you see that whole process working?  Would we be able to =
say
that a particular bean is a "ServiceMBean" for example, were =
"ServiceMBean"
is a standard management interface defined as part of the standard
JSR-77/CIM management hierarchy with well-known keys, attributes and
operations?  Then you'd be able to query on all beans that were =
"Services"
from the MBeanServer?

- How will the lifecycle of JMX-managed bean configured in a spring =
context
be defined?  For example, let's say I implement a "Service" management
interface, which extends InitializingBean, adding in support for start() =
and
stop() operations.  Will the app server be responsible for registering =
and
starting the service on startup, and stopping and de-regisering it on
shutdown?

- Will relations be supported; e.g I have two services that depend on =
each
other, and I want to capture that dependency as a relation between the =
two
management clients can then use to reason on.  Or possibly the app =
server
itself; for example, for triggering a stop of all dependents services =
during
shutdown in the correct order.

Thanks. This sounds really great; Keith

-----Original Message-----
From: spr...@li...
[mailto:spr...@li...] On Behalf =
Of
jas...@ma...
Sent: Friday, July 09, 2004 8:34 AM
To: spr...@li...
Subject: Re: [Springframework-developer] Spring/Geronimo



On 9 Jul 2004, at 10:30, Nadeem Bitar wrote:

> his is really great.
>
> A quick question, how would that affect sping's JMX support.

I think they are parallel activities depending on what your deployment=20
environment is. Sometimes you might just want Spring + (say) mx4j.=20
Other times you might wanna deploy your POJOs inside a full J2EE stack=20
with full access to all of Geronimo's J2EE services (transaction=20
manager, security, JCA etc).

If you deploy in Geronimo then the geronimo-spring module should be=20
capable of deploying your spring stuff inside Geronimo & wiring all=20
your POJOs into Geronimo's JSR 77 / 88 and JMX management/deployment=20
stack so it should work with any J2EE 1.4 management tool.

If you don't want to deploy inside Geronimo but still want JMX support=20
then use Spring-JMX.

James
-------
http://radio.weblogs.com/0112098/



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