Hi,
We are attempting to monitor various components in our Camel web application
deployed in Tomcat. We are using spring so we enabled JMX by adding the
following element to the camelContext.
<camel:jmxAgent id="jmxAgent" createConnector="true"/>
We are able to connect using JConsole and browse the components without an
issue. However when we try to access the components using some standalone
JMX client code we are running into some difficulty.
For instance, in JConsole the object name for the component we want to
monitor is as follows.
org.apache.camel:context=work-laptop/camelContext,type=consumers,name=FileConsumer(0x2c65b)
However it can't seem to find the object name as we get the following
exception.
javax.management.InstanceNotFoundException:
org.apache.camel:context=work-laptop/camelContext,type=consumers,name=FileConsumer(0x2c65b)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getMBean(DefaultMBeanServerInterceptor.java:1094)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:662)
at
com.sun.jmx.mbeanserver.JmxMBeanServer.getAttribute(JmxMBeanServer.java:638)
at
javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1404)
at
javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72)
at
javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1265)
at
javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1360)
at
javax.management.remote.rmi.RMIConnectionImpl.getAttribute(RMIConnectionImpl.java:600)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
at sun.rmi.transport.Transport$1.run(Transport.java:159)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
at
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
at
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
at
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
at
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:255)
at
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:233)
at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:142)
at com.sun.jmx.remote.internal.PRef.invoke(Unknown Source)
at
javax.management.remote.rmi.RMIConnectionImpl_Stub.getAttribute(Unknown
Source)
at
javax.management.remote.rmi.RMIConnector$RemoteMBeanServerConnection.getAttribute(RMIConnector.java:878)
at ch.syabru.nagios.NagiosJmxPlugin.query(NagiosJmxPlugin.java:322)
at ch.syabru.nagios.NagiosJmxPlugin.execute(NagiosJmxPlugin.java:416)
... 1 more
>From the past experiences with JMX we are probably missing some subtle
syntax for the object name, but can't for the life of us figure it out.
Please help us from our madness!
-Jonathan
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