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1. Re: jmx-console
peterj Nov 3, 2006 11:13 AM (in response to editha)When I want to look up an mbean, I usually go through JNDI as follows:
Context ctx = new InitialContext(...); MBeanServerConnection mconn = (MBeanServerConnection)ctx.lookup("jmx/invoker/RMIAdaptor"); String mbean = "JMImplementation:service=LoaderRepository"; Object result = mconn.invoke(new ObjectName(mbean), "getLoaders", new Object[]{} ,newString[]{});
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2. Re: jmx-console
editha Nov 3, 2006 11:38 AM (in response to editha)Thank you for your answer!
I tried to do it your way but it still isn't working. I still get the MBeanException caused by the InstanceNotFoundException.. -
3. Re: jmx-console
peterj Nov 3, 2006 12:28 PM (in response to editha)I went to the jmx-console and noticed that the name you should be looking up is:
String mbean = "JMImplementation:name=Default,service=LoaderRepository"; -
4. Re: jmx-console
editha Nov 4, 2006 10:54 AM (in response to editha)
Thank you very much!
I was indeed looking at the wring name. -
5. Re: jmx-console
editha Nov 6, 2006 10:30 AM (in response to editha)Now I'm facing another problem:
Invoking some methods of the LoaderRepository mbean works, and invoking other methods doesn't work:
e.g.
mconn.invoke(new ObjectName(mbean), "getUrls", new Object[]{} ,newString[]{});
works, whereas
mconn.invoke(new ObjectName(mbean), "getLoaders", new Object[]{} ,newString[]{});
throws a ReflectionException caused by an IllegalArgumentException: Unable to find operation getLoaders() in AbstractMBeanInvoker.
The method getLoaders() doesn't take any arguments, so I do not know why this exception is thrown. Any ideas? -
6. Re: jmx-console
peterj Nov 6, 2006 10:55 AM (in response to editha)There is no "getLoaders" method, nor is there a "Loaders" property. I do see a getPackageClassLoaders method.
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7. Re: jmx-console
editha Nov 6, 2006 10:59 AM (in response to editha)
Thank you for your quick answer. Where do you see that? I was looking at the jboss LoaderRepository class... -
8. Re: jmx-console
peterj Nov 6, 2006 11:00 AM (in response to editha)I ran the jmx-console and looked at the available properties and operations.
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9. Re: jmx-console
editha Nov 6, 2006 11:11 AM (in response to editha)Ah, now I saw it too. thanks again!
I thought since since it is an instance of UnifiedLoaderRepository3, I thought it was inheriting the methods of the LoaderRepository class, but it seems I was wrong..