Example usage for javax.management.remote JMXConnectorServer setMBeanServerForwarder

Introduction

In this page you can find the example usage for javax.management.remote JMXConnectorServer setMBeanServerForwarder.

Prototype

public synchronized void setMBeanServerForwarder(MBeanServerForwarder mbsf) 

Source Link

Usage

From source file:org.apache.cassandra.utils.JMXServerUtils.java

/**
 * Creates a server programmatically. This allows us to set parameters which normally are
 * inaccessable.//from   w ww.j av  a2 s.c  o m
 */
public static JMXConnectorServer createJMXServer(int port, boolean local) throws IOException {
    Map<String, Object> env = new HashMap<>();

    String urlTemplate = "service:jmx:rmi://%1$s/jndi/rmi://%1$s:%2$d/jmxrmi";
    InetAddress serverAddress = null;
    if (local) {
        serverAddress = InetAddress.getLoopbackAddress();
        System.setProperty("java.rmi.server.hostname", serverAddress.getHostAddress());
    }

    // Configure the RMI client & server socket factories, including SSL config.
    env.putAll(configureJmxSocketFactories(serverAddress, local));

    // Configure authn, using a JMXAuthenticator which either wraps a set log LoginModules configured
    // via a JAAS configuration entry, or one which delegates to the standard file based authenticator.
    // Authn is disabled if com.sun.management.jmxremote.authenticate=false
    env.putAll(configureJmxAuthentication());

    // Configure authz - if a custom proxy class is specified an instance will be returned.
    // If not, but a location for the standard access file is set in system properties, the
    // return value is null, and an entry is added to the env map detailing that location
    // If neither method is specified, no access control is applied
    MBeanServerForwarder authzProxy = configureJmxAuthorization(env);

    // Make sure we use our custom exporter so a full GC doesn't get scheduled every
    // sun.rmi.dgc.server.gcInterval millis (default is 3600000ms/1 hour)
    env.put(RMIExporter.EXPORTER_ATTRIBUTE, new Exporter());

    String url = String.format(urlTemplate,
            (serverAddress != null ? serverAddress.getHostAddress() : "0.0.0.0"), port);

    int rmiPort = Integer.getInteger("com.sun.management.jmxremote.rmi.port", 0);
    JMXConnectorServer jmxServer = JMXConnectorServerFactory.newJMXConnectorServer(
            new JMXServiceURL("rmi", null, rmiPort), env, ManagementFactory.getPlatformMBeanServer());

    // If a custom authz proxy was created, attach it to the server now.
    if (authzProxy != null)
        jmxServer.setMBeanServerForwarder(authzProxy);

    jmxServer.start();

    // use a custom Registry to avoid having to interact with it internally using the remoting interface
    configureRMIRegistry(port, env);

    logger.info("Configured JMX server at: {}", url);
    return jmxServer;
}

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