|
Not
exatly.
Take a
look at the Naming Service MBean for example. It has a Port and IPAddress RW
attribute for example because when the MBean is started the following
occurs:
- an instance of the Naming Service class is created (new
blabla())
- the attribute values found in jboss-service.xml for this mbean
are assigned to the RW attributes of the Naming Service
MBean
- the service controller invokes create and then start on the MBean
instance
- inside the create/start methods, the Port/IPAddress attribute
values are used to connect to the appropriate port
Once
this is done, changing the Port RW attribute will have *no* effect i.e. the
naming service will not unbind/rebind with a new address/port. For this, you
must stop the service, change the values and restart it. Do you follow
me?
Cheers,
sacha
Sacha,
I don't really understand. What good is a RW attribute if
changing it has no effect? If this is really the case, then I think a
lot of those RW attributes should be changed to RO. The whole idea of
JMX is Management. The interface means something, right?
- Matt
-----Original Message-----
From:
[EMAIL PROTECTED] on behalf of Sacha
Labourey
Sent: Fri 1/24/2003 9:45 AM
To:
[EMAIL PROTECTED]
Cc:
Subject:
RE: [JBoss-dev] [ jboss-Change Notes-672538 ] Master Configuration
Service
Oh, no, nothing wrong at all. It is just that while I can easily see
an advantage to take a snapshot of a server config for future reference or
analysis, re-loading a previous seems as hazardous to me because the
configuration should really be applied when the mbeans are created, not
afterwards because many settings would then have no effects at all (such as
port numbers, etc.)
Thank you. cheers,
Sacha
Sacha,
No. Nothing fancy going on here. Just a quick
one-off proof-of-concept deal. What it does is make text-file-based
mbean persistence available today, in a format perhaps more amenable to vi
hackers.
It's pretty simple to use -- why don't you just drop it in
deploy and try it out...
Basically, it takes and loads snapshots. Simple and
useable. I suppose it could be modified to do other things...
What is wrong with the jboss-service.xml files? I'm
curious -- What are you getting at?
- Matt
-----Original Message-----
From: Sacha
Labourey [mailto:[EMAIL PROTECTED]]
Sent: Fri
1/24/2003 8:00 AM
To: [EMAIL PROTECTED]
Cc:
Subject: RE: [JBoss-dev] [ jboss-Change
Notes-672538 ] Master Configuration Service
Can it be used at server startup instead of the
jboss-service.xml, etc.
files? i.e. can it create all Mbeans and
apply all attributes value at
runtime or can he "only" capture an
instant snapshot of the current values?
> -----Message
d'origine-----
> De :
[EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]De
la part de Matt
> Munz
> Envoyé : mercredi, 22 janvier 2003
19:39
> À : [EMAIL PROTECTED]
> Objet
: RE: [JBoss-dev] [ jboss-Change Notes-672538 ] Master
>
Configuration Service
>
>
> BTW, I realize that the
name "Master Configuration Service" may
> be misleading. It
only configures the JMX RW attributes, and
> isn't really intended
as a fundamental architectural component,
> but rather as an
optional tool and a POC for the flexibility of
JMX.
>
> - Matt
>
> -----Original
Message-----
> From: Matt Munz
> Sent: Wednesday, January
22, 2003 1:14 PM
> To:
[EMAIL PROTECTED]
> Subject: RE: [JBoss-dev]
[ jboss-Change Notes-672538 ] Master
> Configuration
Service
>
>
> Bill,
>
> I read
the forum, and I'm not sure how this relates to MBean
>
Persistence. Your examples seem to be AOP-specific. Could
you
> give an example of what the integration of this stuff with
JMX
> would be like (if that is what you
intend)?
>
> - Matt
>
>
-----Original Message-----
> From: Bill Burke [mailto:[EMAIL PROTECTED]]
> Sent:
Wednesday, January 22, 2003 12:13 PM
> To:
[EMAIL PROTECTED]
> Subject: RE: [JBoss-dev]
[ jboss-Change Notes-672538 ] Master
> Configuration
Service
>
>
> I am doing some things around MetaData
and centralized configuration and
> configuration chains in AOP
that I'd like to merge with the rest of JBoss.
> Please see the
topic configuration and metadata in the AOP forum.
>
>
Bill
>
> > -----Original Message-----
> > From:
[EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED]]On
Behalf Of Matt
> > Munz
> > Sent: Wednesday, January
22, 2003 11:47 AM
> > To:
[EMAIL PROTECTED]
> > Subject: RE:
[JBoss-dev] [ jboss-Change Notes-672538 ] Master
> >
Configuration Service
> >
> >
> >
Dain,
> >
> > I put this together with
your use cases in mind. If possible,
> > check it out,
and let me know what you think.
> >
> > -
Matt
> >
> > -----Original Message-----
> >
From: SourceForge.net [mailto:[EMAIL PROTECTED]]
>
> Sent: Wednesday, January 22, 2003 11:29 AM
> > To:
[EMAIL PROTECTED]
> > Subject: [JBoss-dev] [ jboss-Change
Notes-672538 ] Master Configuration
> > Service
>
>
> >
> > Change Notes item #672538, was opened at
2003-01-22 11:28
> > You can respond by visiting:
> >
https://sourceforge.net/tracker/?func=detail&atid=381174&aid=67253
>
> 8&group_id=22866
> >
> > Category:
None
> > Group: None
> > Status: Open
> >
Priority: 5
> > Submitted By: Matthew Munz (mattmunz)
>
> Assigned to: Nobody/Anonymous (nobody)
> > Summary: Master
Configuration Service
> >
> > Initial Comment:
>
> A Service which writes and reads all of the JMX RW
> >
attributes to a single file in the Java Properties Format.
>
>
> > I figured that this would be a good step on the road
to an
> > XML MBean Persistence engine. This service
operates
> > externally to the MBeans it persists. It is
not really in
> > line with the JMX spec, so it doesn't provide
MBean
> > Persistence in the way implied by the spec.
>
> Nonetheless, a "snapshot" of the server can be written
> >
and loaded quite easily.
> >
> > The details can
be found in the documentation located
> > under
$jboss-head/varia/src/reources/master-
> >
config.sar/documentation .
> >
> > There are a few
little details that should probably be
> > ironed out, but for
those that need MBean persistence
> > today, this is a viable
solution.
> >
> > The main audience for this tool is
the system admin that
> > does not use or prefer gui / html
configuration tools. The
> > use of the Properties file
format is intentional, as it
> > provides a more compact and
readible interface when
> > compared with the XML
format.
> >
> > I'm not sure about the location of
this code in the source
> > tree, so I just put it in varia for
now. I'd appreciate any
> > ideas on a better place for
it.
> >
> > - Matt Munz
>
>
> >
> >
> >
> >
----------------------------------------------------------------------
>
>
> > You can respond by visiting:
> > https://sourceforge.net/tracker/?func=detail&atid=381174&aid=67253
>
8&group_id=22866
>
>
>
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