Topic: linkage error: javax/management/MBeanServerConnection

linkage error: javax/management/MBeanServerConnection

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Posted By: Anonymous
Posted On: Tuesday, April 20, 2010 08:30 AM

JMXServiceURL address = new JMXServiceURL( "service:jmx:rmi:///jndi/rmi://localhost:3000/jmxrmi"); JMXConnector connector = JMXConnectorFactory.connect(address); MBeanServerConnection mbs = connector.getMBeanServerConnection(); ObjectName oname = new ObjectName( ManagementFactory.OPERATING_SYSTEM_MXBEAN_NAME); // Memory Usage factors if (mbs.isInstanceOf(oname,"com.sun.management.OperatingSystemMXBean")) { // Get platform-specific attribute "ProcessCpuTime" long cpuTime = (Long) mbs.getAttribute(oname, "ProcessCpuTime"); System.out.println("process cpu time " + cpuTime); } what is wron More>>

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Re: linkage error: javax/management/MBeanServerConnection

Posted By: Anonymous
Posted On: Monday, May 3, 2010 01:46 AM

Hi Deb,

Even i am looking for the same. I need to fetch the
information for the CPU utilization of a JVM running on that system.For that i got
"com.sun.management.OperatingSystemMXBean", which provides
CPU time used by the process on which the Java virtual machine
is running NOT the '%CPU Usage' time which i was hoping to get.

Well, in your case i feel problem is here--

ObjectName oname = new ObjectName( ManagementFactory.OPERATING_SYSTEM_MXBEAN_NAME);

This will never give you the instance of com.sun.management.OperatingSystemMXBean.

Correct me if i am wrong?

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