[jboss-dev-forums] [JMX Development] - Isolating the JBoss package tree from the execution environm

[Giampaolo Tomassoni]

Giampaolo Tomassoni [http://community.jboss.org/people/g.tomassoni] replied to the discussion

"Isolating the JBoss package tree from the execution environm"

To view the discussion, visit: http://community.jboss.org/message/539075#539075

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Well, I'm sorry for my very late reply to your, Jaikiran. But let me first thank for your interest in the matter, anyway.

> jaikiran pai wrote:
> 
> So the data-directory value itself is just an "example". But i see what you mean. If we are providing an commented out example, we might as well provide one which uses the JBoss system property ${jboss.server.data.dir}.
> 

Right. That was I meant.

> jaikiran pai wrote:You mean after you uncomment that section and point it to some location, the folder (if non-existent) does not get created, in AS 5.1.0? Can you post the exact configuration (i.e. the location you are using in that file)?
I have somewhere in my startup config files:

-Djboss.server.data.dir=/var/lib/jboss/data

One would expect that this dir had to be more or less like the default jboss.server.data.dir: an empty directory owned by jboss. But this doesn't seem enough, since starting jboss with that setting and an empty /var/lib/jboss/data, one gets the following error in boot.log:

16:53:41,276 DEBUG [AttributePersistenceService] Starting failed jboss:service=AttributePersistenceService
java.lang.NullPointerException
        at org.jboss.system.pm.XMLAttributePersistenceManager.create(XMLAttributePersistenceManager.java:184)
        at org.jboss.system.pm.AttributePersistenceService.startService(AttributePersistenceService.java:186)
        at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:376)
        at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:322)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 
        ...
16:53:41,279 ERROR [AbstractKernelController] Error installing to Start: name=jboss:service=AttributePersistenceService state=Create mode=Manual requiredState=Installed


One has to create the xmbean-attrs directory in it, then everything gets fine. Maybe the problem may be circumvented by specifying some further attribute in the AttributePersistenceManagerConfig entry,

There is nowere an error explicitly stating that, so it is a bit tricky to isolate this as the source of the problem.


> jaikiran pai wrote:
> 
> You mean after you uncomment that section and point it to some location, the folder (if non-existent) does not get created, in AS 5.1.0? Can you post the exact configuration (i.e. the location you are using in that file)? 
> 
> > "g.tomassoni" wrote:
> > 2) adding the url of my external deploy directory to the URLs attribute of URLDeploymentScanner in jboss-service.xml (JBoss 4.x) or as a new uri element to the property applicationURIs in bootstrap/profile.xml (JBoss 5.x).
> > 
> > 
> > but I would like to know if I have any way of adding a further deploy uri after JBoss startup, in example through JMX. The basic idea is to let JBoss start and then use JMX or whatever to contact the running JBoss and instruct it to have a look to that furter deploy URL. Is it possible? How?
> 
> 
> AS-5.1.0 is backed by ProfileService's DeploymentManager which is the official API for managing deployments. I am not sure where this feature is available in the current API.
> 

Ok, thank you: I'm going to see if I can find somthing about the +ProfileService's DeploymentManager+, then.


> jaikiran pai wrote:
> 
> You have mix of questions/suggestions in this topic  :)  And both are not directly related to JMX itself.

Well, I'm sorry about both my "mixed mode" and, of course, about the fact I didn't get which was the right place to report/ask about this.


> jaikiran pai wrote:
> 
> For the second question, i guess the best place would be the "Management" forum. But that's just my opinion. Let's see, if some moderator knows of a better place, he will move it appropriately.

I see they didn't move this, but I'm going to stick with your hint anyway.

Thankyou again for your prompt reply,  Jaikira.

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