Example usage for javax.management.remote JMXConnector connect

Introduction

In this page you can find the example usage for javax.management.remote JMXConnector connect.

Prototype

public void connect(Map<String, ?> env) throws IOException;

Source Link

Document

Establishes the connection to the connector server.

If connect has already been called successfully on this object, calling it again has no effect.

Usage

From source file:net.sf.ehcache.management.ManagementServiceTest.java

/**
 * Creates an RMI JMXConnectorServer, connects to it and demonstrates what attributes are traversable.
 * The answer is not all.//from   w  w w  .j  a va 2  s .co  m
 *
 * Note that this test creates a Registry which will keep running until the JVM Exists. There
 * is no way to stop it but it should do no harm.
 *
 *
 */
public void testJMXConnectorServer() throws Exception {

    ManagementService.registerMBeans(manager, mBeanServer, true, true, true, true);

    LocateRegistry.createRegistry(55000);
    String serverUrl = "service:jmx:rmi:///jndi/rmi://localhost:55000/server";
    JMXServiceURL url = new JMXServiceURL(serverUrl);
    JMXConnectorServer cs = JMXConnectorServerFactory.newJMXConnectorServer(url, null, mBeanServer);
    cs.start();
    JMXConnector connector = cs.toJMXConnector(null);
    connector.connect(null);
    MBeanServerConnection connection = connector.getMBeanServerConnection();
    assertEquals(OBJECTS_IN_TEST_EHCACHE,
            connection.queryNames(new ObjectName("net.sf.ehcache:*"), null).size());

    Ehcache ehcache = manager.getCache("sampleCache1");

    ehcache.put(new Element("key1", "value1"));
    ehcache.put(new Element("key2", "value1"));
    assertNotNull(ehcache.get("key1"));
    assertNotNull(ehcache.get("key2"));

    //Test CacheManager
    //not all attributes are accessible due to serializability constraints
    //traverseMBeanAttributes(connection, "CacheManager");

    //Test Cache
    //not all attributes are accessible due to serializability constraints
    //traverseMBeanAttributes(connection, "Cache");

    //Test CacheStatistics
    traverseMBeanAttributes(connection, "CacheStatistics");

    //Test CacheConfiguration
    traverseMBeanAttributes(connection, "CacheConfiguration");

    cs.stop();
}

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From source file:org.opennms.jmxconfiggenerator.jmxconfig.JmxDatacollectionConfiggenerator.java

/**
 * This method gets the JmxConnector to connect with the given jmxServiceURL.
 *
 * @param username may be null//from w ww  .j av a 2  s  .  c o  m
 * @param password may be null
 * @param jmxServiceURL should not be null!
 * @return a jmxConnector
 * @throws IOException if the connection to the given jmxServiceURL fails (e.g. authentication failure or not reachable)
 */
private JMXConnector getJmxConnector(String username, String password, JMXServiceURL jmxServiceURL)
        throws IOException {
    JMXConnector jmxConnector;
    if (username != null && password != null) {
        jmxConnector = JMXConnectorFactory.newJMXConnector(jmxServiceURL, null);
        HashMap<String, String[]> env = new HashMap<String, String[]>();
        String[] credentials = new String[] { username, password };
        env.put("jmx.remote.credentials", credentials);
        jmxConnector.connect(env);
    } else {
        jmxConnector = JMXConnectorFactory.connect(jmxServiceURL);
        jmxConnector.connect();
    }
    return jmxConnector;
}

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