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From Martyn Thompson <thompson_mar...@hotmail.com>
Subject Re: Mina with Spring and JMX
Date Tue, 09 Oct 2007 14:26:44 GMT

I hadn't tried locateExistingServerIfPossible, but have done now and the
MBeans register. Thank you.

I'm using 1.1.3, but am now looking at the trunk so that I can use the
startCollectingStats method.

Thanks for your time and help.

Martyn


Niklas Therning wrote:
> 
> Ok, seems like IoServiceManager has been changed slightly since 1.0/1.1 
> and you seem to be using MINA from trunk, right?
> 
> Anyways, AFAIKT IoServiceManager won't collect any stats unless you call 
> startCollectingStats() on it. Since this method has been changed to a 
> no-args method in MINA trunk you should be able to call it directly from 
> Spring using init-method. But, I guess your IoServiceManager should show 
> up at least in JConsole regardless of whether startCollectinStats() have 
> been called or not.
> 
> Have you tried setting the locateExistingServerIfPossible property to 
> true on your mbeanServer bean?
> 
> /Niklas
> 
> Martyn Thompson wrote:
>> I tried your suggestion, but that does not work. This only indicates how
>> often to collect the stats and has a default value of 5000 so does not
>> need
>> to be set. 
>>
>> The problem lies in actually registering the IoServiceManager with the
>> the
>> MBeanServer within the Spring config.
>>
>>
>>
>> Niklas Therning wrote:
>>   
>>> I haven't used the JMX stuff myself but from the tutorial it seems like 
>>> you need to tell the IoServiceManager to start collecting stats:
>>>
>>> IoServiceManager serviceManager = new IoServiceManager( acceptor );
>>> serviceManager.startCollectingStats(1000);
>>> MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
>>> ObjectName name = new
>>> ObjectName("mina.example.http.server:type=IoServiceManager");
>>> mbs.registerMBean(serviceManager, name);
>>>
>>> So it seems like you need to call startCollectingStats(...) somehow. I 
>>> don't think you can do this from within Spring (AFAIK init-method cannot 
>>> take parameters). For now you could try to call it programmatically from 
>>> within the MyServer.initialise() method and see if JMX starts working.
>>>
>>> MINA should probably provide some Spring integration for 
>>> IoServiceManager. A IoServieManagerFactoryBean would solve this problem 
>>> I guess. Any contributions are welcome as always.
>>>
>>> HTH
>>>
>>> /Niklas
>>>
>>> Martyn Thompson wrote:
>>>     
>>>> What happens? Nothing. I was expecting the bean "Port81JMX" to be added
>>>> to
>>>> the MBeanServer and viewable in JConsole, but this does not the case
>>>>
>>>> I've created a very basic test example (attached) that sets up the
>>>> server
>>>> to
>>>> listen on port 81. To use, start the Server class and then telnet to
>>>> port
>>>> 81. Anything typed in the console will be echoed back. This is all
>>>> configured in Spring.
>>>>
>>>> All I need to see is the MBeans that are supplied by default with Mina
>>>> by
>>>> configuring them with Spring.
>>>>
>>>> HTH and thanks
>>>>
>>>> http://www.nabble.com/file/p13114900/MinaJmxExample.zip
>>>> MinaJmxExample.zip 
>>>>
>>>>
>>>>
>>>> Niklas Therning wrote:
>>>>   
>>>>       
>>>>> Martyn Thompson wrote:
>>>>>     
>>>>>         
>>>>>> Hi,
>>>>>>
>>>>>> I've only been using MINA for 1 day and had great success in getting
>>>>>> it
>>>>>> working with the Spring Framework, rewritting an app within 3 days
>>>>>> which
>>>>>> is
>>>>>> great. I've been able to get the JMX working as per the example and
>>>>>> hard
>>>>>> coding but my preference is to use Spring but just can't seem to
get
>>>>>> the
>>>>>> MINA JMX beans registered as part of the Spring config.
>>>>>>
>>>>>> Could someone give the config snippet I've attached and see where
I
>>>>>> am
>>>>>> going
>>>>>> wrong. I've search the forums but can't find an answer
>>>>>>
>>>>>> Thanks in advance for all and any help.
>>>>>>
>>>>>> Martyn
>>>>>>
>>>>>> http://www.nabble.com/file/p13019309/MINA_Spring_JMX_conf_snippet.txt
>>>>>> MINA_Spring_JMX_conf_snippet.txt 
>>>>>>   
>>>>>>       
>>>>>>           
>>>>> Well, what happens? Do you get an exception of some kind? Could you 
>>>>> provide us with your code as well?
>>>>>
>>>>> /Niklas
>>>>>
>>>>>
>>>>>
>>>>>     
>>>>>         
>>>>   
>>>>       
>>>
>>>     
>>
>>   
> 
> 
> 

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