[jopr-dev] Introduction and first question

[John Mazzitelli]

This jopr-dev mailing list can be used to discuss development of the code - if you want to add code, add features, write plugins, etc... you can ask here.

If you have user questions ("how do I use the UI" or "my resource is showing red, what is wrong?"), those are more appropriate on the user forums (and it gets that information out to the user community too, which benefits all our users).

----- Original Message -----
From: "Bruno Wassermann" <bruno.wassermann at googlemail.com>
To: "John Mazzitelli" <mazz at redhat.com>
Cc: "jopr-dev" <jopr-dev at lists.jboss.org>
Sent: Tuesday, July 28, 2009 9:56:01 AM GMT -05:00 US/Canada Eastern
Subject: Re: [jopr-dev] Introduction and first question

Hi John, 

I managed to fix this. getAvailability() was looking for an attribute that didn't exist (different Tomcat versions I guess?). 

Would this be the correct forum to ask (in the near future) about how to maybe add an auto-discovery post-processing step to extract dependencies and the like? 

Thanks, 

-- Bruno 


On Tue, Jul 28, 2009 at 2:28 PM, John Mazzitelli < mazz at redhat.com > wrote: 



> Does anyone have any ideas why the the Tomcat plugin's 
> connection is not responsive (using the same URL as for JConsole)? 

This question is probably best to post on the user forums - get it out there to the user community. 

This problem does sounds familiar. I think I recall at least one other person saying that they see this too. 

Post a thread on the Jopr user forum at http://www.jboss.org/index.html?module=bb&op=viewforum&f=292 and provide information like: 

1) Which version of the core RHQ engine are you using? Which version of the Tomcat plugin? Released versions or builds from trunk? 
2) Post the relevent agent log messages here. 

Thanks, 
John Mazz 




----- Original Message ----- 
From: "Bruno Wassermann" < bruno.wassermann at googlemail.com > 
To: jopr-dev at lists.jboss.org 
Sent: Tuesday, July 28, 2009 6:07:04 AM GMT -05:00 US/Canada Eastern 
Subject: [jopr-dev] Introduction and first question 


Hi, 

I am interested in some slight modifications to Jopr and RHQ that I am going to try my luck with over the next couple of weeks. In particular, I want to introduce dependencies between components (on a single host, between components on differents in the same domain and inter-domain) that can be displayed to users. I am also interested in plugins for SOAP runtimes, such as Axis, the ActiveBPEL engine and some Grid middleware, all of which I will hopefully be able to contribute. 

My first question is to do with the new Tomcat plugin. Discovery of Tomcat works, but the plugin mistakenly insists that the Tomcat instance is not available. I found that its EMSConnection is not servicing any requests, which results in a corresponding exception and the connection to be closed. Hence, the plugin does not successfully collect any metrics I would like it to. 
JConsole on the same host works fine and allows me to inspect all the MBeans. 

Does anyone have any ideas why the the Tomcat plugin's connection is not responsive (using the same URL as for JConsole)? 

Thanks, 

-- Bruno 

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