Re: [Springframework-developer] some jmx questions.

[Rob H. <ro...@ca...>]

Mark,

I guess this is a stupid question, but you did compile the Commons 
Attributes stuff? I ran all the tests against MX4J and they seems to run 
fine - including the method invocation ones.

Rob

Rob Harrop wrote:

> Mark,
>
> It seems that you are using a fairly old version of JMX - a lot of the 
> class names are now different, but I don't think that is the problem. 
> I've put some time aside next week to really polish up JMX support and 
> perform a lot of testing on different platforms. I'll get you an 
> answer on this during the week.
>
> Rob
>
> Mark Pollack wrote:
>
>> Hi,
>>
>> I was playing around with the JMX sandbox - very useful - and have a 
>> few questions  Wasn't sure if I should post on the forum...but anyway...
>>
>> I couldn't get the MetadataModelMBeanInfoAssembler to work, when I 
>> tried to execute a managed operation I got "no result" shown in the 
>> MX4J http console, although only the methods I chose to expose were 
>> displayed.  If I remove the usage of the metadata and rely on the 
>> reflection support - it all works fine but I'd like to only expose 
>> some of the methods in my class.
>>
>> Here is a code snip since I was doing this inside a helper class I 
>> already had for MX4J.  Commenting out the metadata config code 
>> results in a happy app... :) 
>>
>>        JmxMBeanAdapter adapter = new JmxMBeanAdapter();
>>        adapter.setBeanFactory(beanFactory_);
>>        adapter.setServer(mBeanServer_);
>>        adapter.setBeans(beans_);
>>        //metadata config start
>>
>>        JmxAttributeSource attributesImpl = new 
>> CommonsAttributesJmxAttributeSource();
>>        MetadataModelMBeanInfoAssembler ass = new 
>> MetadataModelMBeanInfoAssembler();
>>        ass.setAttributeSource(attributesImpl);
>>        MetadataNamingStrategy naming = new MetadataNamingStrategy();
>>        naming.setAttributeSource(attributesImpl);
>>        adapter.setAssembler(ass);
>>        adapter.setNamingStrategy(naming);
>>
>> //metadata config end
>>               LOG.info("Registering mbeans....");
>>        adapter.afterPropertiesSet();
>>        LOG.info("Done registering mbeans.");
>>
>> and I have added attributes such as
>>
>> /**
>> * 
>> @@org.springframework.jmx.metadata.support.ManagedResource(objectName="TeamWork:Name=UserService", 
>> description="User Management")
>> *  */
>> public class HibernateUserService extends HibernateDaoSupport implements
>>        UserService
>>
>>
>>    /**
>>     *     * 
>> @@org.springframework.jmx.metadata.support.ManagedOperation(description="Create 
>> a user with a unique id")
>>     */
>>    public User create(String uniqueName)
>>
>>
>> and the beans_ map contains an entry <entry 
>> key="TeamWork:Name=UserService"><ref bean="UserService"/></entry>
>>
>> with a log like this....
>>
>> INFO [main] 2005-01-21 17:26:01,359 
>> [com.codestreet.application.jmx.DefaultAdapterFactoryBean] - 
>> Registering mbeans....
>>
>> DEBUG [main] 2005-01-21 17:26:01,671 
>> [org.springframework.jmx.JmxMBeanAdapter] - Bean Name: UserService 
>> has been autodetected for JMXification. Instantiating Now.
>>
>> DEBUG [main] 2005-01-21 17:26:01,671 
>> [org.springframework.jmx.JmxMBeanAdapter] - Bean with name: 
>> UserService is already registered for JMXification.
>>
>> DEBUG [main] 2005-01-21 17:26:01,906 
>> [org.springframework.jmx.JmxMBeanAdapter] - Located bean under key 
>> [TeamWork:Name=UserService] registering with JMX server.
>>
>> DEBUG [main] 2005-01-21 17:26:01,906 
>> [org.springframework.jmx.JmxMBeanAdapter] - Registering and 
>> Assembling MBean: TeamWork:Name=UserService
>>
>> INFO [main] 2005-01-21 17:26:01,937 
>> [org.springframework.jmx.JmxMBeanAdapter] - Registered MBean: 
>> TeamWork:Name=UserService
>>
>> INFO [main] 2005-01-21 17:26:01,937 
>> [com.codestreet.application.jmx.DefaultAdapterFactoryBean] - Done 
>> registering mbeans.
>>
>>
>>
>> Another issue was that for some reason the commons-attributes 
>> compiler was changing the string TeamWork:Name=UserService to 
>> TeamWork.Name=UserService, replacing the colon with a period.  Have 
>> you seen that?
>>
>> By way of extention has it been considered to add support for 
>> decribing method parameters in the operation attribute and relaying 
>> that info to the modelmbean?
>>
>> Thanks any help...
>>
>> Cheers,
>> Mark
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
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>>  
>>
>
>
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