public static final String TRIVIA_SERVER_ADDRESS = "service:jmx:rmi:///jndi/rmi://localhost/trivia"; MBeanServer server; JMXConnectorServer connector; public TriviaMBeanStarter() { System.out.println("MBeanServer の起動"); server = MBeanServerFactory.createMBeanServer(); startAgent(); try { System.out.println("Connector の起動"); JMXServiceURL url = new JMXServiceURL(TRIVIA_SERVER_ADDRESS); connector =