Examples with JMXConnector javax.management.remote.JMXConnector used on opensource projects

Example 1 with JMXConnector

use of javax.management.remote.JMXConnector in project flink by apache.

the class JMXReporterTest method testJMXAvailability.

/**
	 * Verifies that we can connect to multiple JMXReporters running on the same machine.
	 *
	 * @throws Exception
	 */
@Test
public void testJMXAvailability() throws Exception {
    Configuration cfg = new Configuration();
    cfg.setString(ConfigConstants.METRICS_REPORTER_CLASS_SUFFIX, TestReporter.class.getName());
    cfg.setString(ConfigConstants.METRICS_REPORTERS_LIST, "test1,test2");
    cfg.setString(ConfigConstants.METRICS_REPORTER_PREFIX + "test1." + ConfigConstants.METRICS_REPORTER_CLASS_SUFFIX, JMXReporter.class.getName());
    cfg.setString(ConfigConstants.METRICS_REPORTER_PREFIX + "test1.port", "9040-9055");
    cfg.setString(ConfigConstants.METRICS_REPORTER_PREFIX + "test2." + ConfigConstants.METRICS_REPORTER_CLASS_SUFFIX, JMXReporter.class.getName());
    cfg.setString(ConfigConstants.METRICS_REPORTER_PREFIX + "test2.port", "9040-9055");
    MetricRegistry reg = new MetricRegistry(MetricRegistryConfiguration.fromConfiguration(cfg));
    TaskManagerMetricGroup mg = new TaskManagerMetricGroup(reg, "host", "tm");
    List<MetricReporter> reporters = reg.getReporters();
    assertTrue(reporters.size() == 2);
    MetricReporter rep1 = reporters.get(0);
    MetricReporter rep2 = reporters.get(1);
    Gauge<Integer> g1 = new Gauge<Integer>() {

        @Override
        public Integer getValue() {
            return 1;
        }
    };
    Gauge<Integer> g2 = new Gauge<Integer>() {

        @Override
        public Integer getValue() {
            return 2;
        }
    };
    rep1.notifyOfAddedMetric(g1, "rep1", new FrontMetricGroup<>(0, new TaskManagerMetricGroup(reg, "host", "tm")));
    rep2.notifyOfAddedMetric(g2, "rep2", new FrontMetricGroup<>(1, new TaskManagerMetricGroup(reg, "host", "tm")));
    ObjectName objectName1 = new ObjectName(JMX_DOMAIN_PREFIX + "taskmanager.rep1", JMXReporter.generateJmxTable(mg.getAllVariables()));
    ObjectName objectName2 = new ObjectName(JMX_DOMAIN_PREFIX + "taskmanager.rep2", JMXReporter.generateJmxTable(mg.getAllVariables()));
    JMXServiceURL url1 = new JMXServiceURL("service:jmx:rmi://localhost:" + ((JMXReporter) rep1).getPort() + "/jndi/rmi://localhost:" + ((JMXReporter) rep1).getPort() + "/jmxrmi");
    JMXConnector jmxCon1 = JMXConnectorFactory.connect(url1);
    MBeanServerConnection mCon1 = jmxCon1.getMBeanServerConnection();
    assertEquals(1, mCon1.getAttribute(objectName1, "Value"));
    assertEquals(2, mCon1.getAttribute(objectName2, "Value"));
    jmxCon1.close();
    JMXServiceURL url2 = new JMXServiceURL("service:jmx:rmi://localhost:" + ((JMXReporter) rep2).getPort() + "/jndi/rmi://localhost:" + ((JMXReporter) rep2).getPort() + "/jmxrmi");
    JMXConnector jmxCon2 = JMXConnectorFactory.connect(url2);
    MBeanServerConnection mCon2 = jmxCon2.getMBeanServerConnection();
    assertEquals(1, mCon2.getAttribute(objectName1, "Value"));
    assertEquals(2, mCon2.getAttribute(objectName2, "Value"));
    rep1.notifyOfRemovedMetric(g1, "rep1", null);
    rep1.notifyOfRemovedMetric(g2, "rep2", null);
    jmxCon2.close();
    rep1.close();
    rep2.close();
    mg.close();
    reg.shutdown();
}

Example 2 with JMXConnector

use of javax.management.remote.JMXConnector in project hadoop by apache.

the class JMXGet method init.

/**
   * @throws Exception
   *           initializes MBeanServer
   */
public void init() throws Exception {
    err("init: server=" + server + ";port=" + port + ";service=" + service + ";localVMUrl=" + localVMUrl);
    String url_string = null;
    // build connection url
    if (localVMUrl != null) {
        // use
        // jstat -snap <vmpid> | grep sun.management.JMXConnectorServer.address
        // to get url
        url_string = localVMUrl;
        err("url string for local pid = " + localVMUrl + " = " + url_string);
    } else if (!port.isEmpty() && !server.isEmpty()) {
        // using server and port
        url_string = "service:jmx:rmi:///jndi/rmi://" + server + ":" + port + "/jmxrmi";
    }
    if (url_string == null) {
        // assume local vm (for example for Testing)
        mbsc = ManagementFactory.getPlatformMBeanServer();
    } else {
        JMXServiceURL url = new JMXServiceURL(url_string);
        err("Create RMI connector and connect to the RMI connector server" + url);
        JMXConnector jmxc = JMXConnectorFactory.connect(url, null);
        // Get an MBeanServerConnection
        //
        err("\nGet an MBeanServerConnection");
        mbsc = jmxc.getMBeanServerConnection();
    }
    // Get domains from MBeanServer
    //
    err("\nDomains:");
    String[] domains = mbsc.getDomains();
    Arrays.sort(domains);
    for (String domain : domains) {
        err("\tDomain = " + domain);
    }
    // Get MBeanServer's default domain
    //
    err("\nMBeanServer default domain = " + mbsc.getDefaultDomain());
    // Get MBean count
    //
    err("\nMBean count = " + mbsc.getMBeanCount());
    // Query MBean names for specific domain "hadoop" and service
    ObjectName query = new ObjectName("Hadoop:service=" + service + ",*");
    hadoopObjectNames = new ArrayList<ObjectName>(5);
    err("\nQuery MBeanServer MBeans:");
    Set<ObjectName> names = new TreeSet<ObjectName>(mbsc.queryNames(query, null));
    for (ObjectName name : names) {
        hadoopObjectNames.add(name);
        err("Hadoop service: " + name);
    }
}

Example 3 with JMXConnector

use of javax.management.remote.JMXConnector in project hbase by apache.

the class TestJMXConnectorServer method testRSConnectorServerWhenStopRegionServer.

/**
   * This tests to validate the RegionServer's ConnectorServer after unauthorised stopRegionServer
   * call.
   */
@Test(timeout = 180000)
public void testRSConnectorServerWhenStopRegionServer() throws Exception {
    conf.set(CoprocessorHost.REGIONSERVER_COPROCESSOR_CONF_KEY, JMXListener.class.getName() + "," + MyAccessController.class.getName());
    conf.setInt("regionserver.rmi.registry.port", rmiRegistryPort);
    UTIL.startMiniCluster();
    admin = UTIL.getConnection().getAdmin();
    hasAccess = false;
    ServerName serverName = UTIL.getHBaseCluster().getRegionServer(0).getServerName();
    LOG.info("Stopping Region Server...");
    admin.stopRegionServer(serverName.getHostname() + ":" + serverName.getPort());
    // Check whether Region Sever JMX Connector server can be connected
    JMXConnector connector = null;
    try {
        connector = JMXConnectorFactory.connect(JMXListener.buildJMXServiceURL(rmiRegistryPort, rmiRegistryPort));
    } catch (IOException e) {
        if (e.getCause() instanceof ServiceUnavailableException) {
            Assert.fail("Can't connect to Region Server ConnectorServer.");
        }
    }
    Assert.assertNotNull("JMXConnector should not be null.", connector);
    connector.close();
}

Example 4 with JMXConnector

use of javax.management.remote.JMXConnector in project hbase by apache.

the class TestJMXConnectorServer method testHMConnectorServerWhenShutdownCluster.

/**
   * This tests to validate the HMaster's ConnectorServer after unauthorised shutdown call.
   */
@Test(timeout = 180000)
public void testHMConnectorServerWhenShutdownCluster() throws Exception {
    conf.set(CoprocessorHost.MASTER_COPROCESSOR_CONF_KEY, JMXListener.class.getName() + "," + MyAccessController.class.getName());
    conf.setInt("master.rmi.registry.port", rmiRegistryPort);
    UTIL.startMiniCluster();
    admin = UTIL.getConnection().getAdmin();
    boolean accessDenied = false;
    try {
        hasAccess = false;
        LOG.info("Stopping HMaster...");
        admin.shutdown();
    } catch (AccessDeniedException e) {
        LOG.error("Exception occured while stopping HMaster. ", e);
        accessDenied = true;
    }
    Assert.assertTrue(accessDenied);
    // Check whether HMaster JMX Connector server can be connected
    JMXConnector connector = null;
    try {
        connector = JMXConnectorFactory.connect(JMXListener.buildJMXServiceURL(rmiRegistryPort, rmiRegistryPort));
    } catch (IOException e) {
        if (e.getCause() instanceof ServiceUnavailableException) {
            Assert.fail("Can't connect to HMaster ConnectorServer.");
        }
    }
    Assert.assertNotNull("JMXConnector should not be null.", connector);
    connector.close();
}

Example 5 with JMXConnector

use of javax.management.remote.JMXConnector in project hbase by apache.

the class TestJMXListener method testStop.

@Test
public void testStop() throws Exception {
    MiniHBaseCluster cluster = UTIL.getHBaseCluster();
    LOG.info("shutdown hbase cluster...");
    cluster.shutdown();
    LOG.info("wait for the hbase cluster shutdown...");
    cluster.waitUntilShutDown();
    JMXConnector connector = JMXConnectorFactory.newJMXConnector(JMXListener.buildJMXServiceURL(connectorPort, connectorPort), null);
    expectedEx.expect(IOException.class);
    connector.connect();
}