Set resultMBeans = null;
Set resultNames = null;
try
{
server = MBeanServerFactory.createMBeanServer("QueryMBeans");
instances.add(server.registerMBean(new Trivial(),
new ObjectName("Domain1:type=instance1")));
server.registerMBean(new Trivial(),
new ObjectName("Domain1:type=instance2"));
instances.add(server.registerMBean(new Trivial(),
new ObjectName("Domain2:type=instance1")));
instances.add(server.registerMBean(new Trivial(),
new ObjectName("Domain3:type=instance1")));
resultMBeans = server.queryMBeans(new ObjectName("*:type=instance1"), null);
resultNames = server.queryNames(new ObjectName("*:type=instance1"), null);
}
catch (Exception e)