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

Example 76 with JMXConnector

use of javax.management.remote.JMXConnector in project Activiti by Activiti.

the class JobExecutorJMXClientTest method testJobExecutorJMXClient.

@Test
public void testJobExecutorJMXClient() throws InterruptedException, IOException, MalformedObjectNameException, AttributeNotFoundException, InstanceNotFoundException, MBeanException, ReflectionException {
    String hostName = Utils.getHostName();
    JMXServiceURL url = new JMXServiceURL("service:jmx:rmi://" + hostName + ":10111/jndi/rmi://" + hostName + ":1099/jmxrmi/activiti");
    ProcessEngineConfiguration processEngineConfig = ProcessEngineConfiguration.createProcessEngineConfigurationFromResource("activiti.cfg.xml");
    processEngineConfig.buildProcessEngine();
    // wait for jmx server to come up
    Thread.sleep(500);
    JMXConnector jmxc = JMXConnectorFactory.connect(url, null);
    MBeanServerConnection mbsc = jmxc.getMBeanServerConnection();
    ObjectName jobExecutorBeanName = new ObjectName("org.activiti.jmx.Mbeans:type=JobExecutor");
    processEngineConfig.getJobExecutor().shutdown();
    // first check that job executor is not activated and correctly reported as being inactive
    assertFalse(processEngineConfig.isJobExecutorActivate());
    assertFalse((Boolean) mbsc.getAttribute(jobExecutorBeanName, "JobExecutorActivated"));
    // now activate it remotely
    mbsc.invoke(jobExecutorBeanName, "setJobExecutorActivate", new Boolean[] { true }, new String[] { Boolean.class.getName() });
    // check if it has the effect and correctly reported
    //    assertTrue(processEngineConfig.getJobExecutor().isActive());
    assertTrue((Boolean) mbsc.getAttribute(jobExecutorBeanName, "JobExecutorActivated"));
    //agani disable and check it    
    mbsc.invoke(jobExecutorBeanName, "setJobExecutorActivate", new Boolean[] { false }, new String[] { Boolean.class.getName() });
    // check if it has the effect and correctly reported
    assertFalse(processEngineConfig.isJobExecutorActivate());
    assertFalse((Boolean) mbsc.getAttribute(jobExecutorBeanName, "JobExecutorActivated"));
}

Example 77 with JMXConnector

use of javax.management.remote.JMXConnector in project midpoint by Evolveum.

the class RemoteNodesManager method getSchedulerBean.

private QuartzSchedulerMBean getSchedulerBean(NodeType node, Holder<JMXConnector> connectorHolder, OperationResult result) {
    String nodeName = node.getNodeIdentifier();
    String address = node.getHostname() + ":" + node.getJmxPort();
    try {
        JMXConnector connector = connectViaJmx(address);
        connectorHolder.setValue(connector);
        MBeanServerConnection serverConnection = connector.getMBeanServerConnection();
        QuartzSchedulerMBean bean = getMBeanProxy(nodeName, serverConnection);
        if (bean == null) {
            String message = "Cannot connect to the Quartz Scheduler bean at remote node " + nodeName + " at " + address + " because the JMX object for scheduler cannot be found on that node.";
            LOGGER.warn("{}", message);
            result.recordFatalError(message);
        }
        return bean;
    } catch (IOException | MalformedObjectNameException e) {
        LoggingUtils.logUnexpectedException(LOGGER, "Cannot connect to the quartz scheduler bean at remote node {} at {}", e, nodeName, address);
        result.recordFatalError("Cannot connect to the quartz scheduler bean at remote node " + nodeName + " at " + address + ": " + e.getMessage(), e);
        return null;
    }
}

Example 78 with JMXConnector

use of javax.management.remote.JMXConnector in project midpoint by Evolveum.

the class RemoteNodesManager method stopRemoteScheduler.

public void stopRemoteScheduler(String nodeIdentifier, OperationResult parentResult) {
    OperationResult result = parentResult.createSubresult(RemoteNodesManager.class.getName() + ".stopRemoteScheduler");
    result.addParam("nodeIdentifier", nodeIdentifier);
    NodeType node = getNode(nodeIdentifier, result);
    if (node == null) {
        return;
    }
    String nodeName = node.getNodeIdentifier();
    String address = node.getHostname() + ":" + node.getJmxPort();
    JMXConnector connector = null;
    try {
        MBeanServerConnection mbsc;
        try {
            connector = connectViaJmx(address);
            mbsc = connector.getMBeanServerConnection();
        } catch (IOException e) {
            LoggingUtils.logUnexpectedException(LOGGER, "Cannot connect to the remote node {} at {}", e, nodeName, address);
            result.recordFatalError("Cannot connect to the remote node " + nodeName + " at " + address + ": " + e.getMessage(), e);
            return;
        }
        try {
            QuartzSchedulerMBean mbeanProxy = getMBeanProxy(nodeName, mbsc);
            if (mbeanProxy != null) {
                mbeanProxy.standby();
                result.recordSuccess();
            } else {
                result.recordWarning("Cannot stop the scheduler on node " + nodeName + " at " + address + " because the JMX object for scheduler cannot be found on that node.");
            }
            return;
        } catch (Exception e) {
            LoggingUtils.logUnexpectedException(LOGGER, "Cannot put remote scheduler into standby mode; remote node {} at {}", e, nodeName, address);
            result.recordFatalError("Cannot put remote scheduler " + nodeName + " at " + address + " into standby mode: " + e.getMessage());
            return;
        }
    } finally {
        try {
            if (connector != null) {
                connector.close();
            }
        } catch (IOException e) {
            LoggingUtils.logUnexpectedException(LOGGER, "Cannot close JMX connection to {}", e, address);
        }
    }
}

Example 79 with JMXConnector

use of javax.management.remote.JMXConnector in project midpoint by Evolveum.

the class RemoteNodesManager method redirectTaskToNode.

public void redirectTaskToNode(@NotNull Task task, @NotNull NodeType node, @NotNull OperationResult result) {
    LOGGER.trace("Trying to schedule task {} on {}", task, node.getNodeIdentifier());
    Holder<JMXConnector> connectorHolder = new Holder<>();
    try {
        QuartzSchedulerMBean mbeanProxy = getSchedulerBean(node, connectorHolder, result);
        if (mbeanProxy != null) {
            try {
                createStarterJobIfNeeded();
                mbeanProxy.triggerJob(STARTER_JOB_KEY.getName(), STARTER_JOB_KEY.getGroup(), Collections.singletonMap(JobStarter.TASK_OID, task.getOid()));
                LOGGER.debug("Successfully requested start of " + task + " at " + getClusterManager().dumpNodeInfo(node));
                result.recordSuccessIfUnknown();
            } catch (Exception e) {
                // necessary because of mbeanProxy
                String message = "Cannot schedule " + task + " at " + getClusterManager().dumpNodeInfo(node);
                LoggingUtils.logUnexpectedException(LOGGER, message, e);
                result.recordFatalError(message + ":" + e.getMessage(), e);
            }
        } else {
            LOGGER.warn("Couldn't obtain Quartz MBean so couldn't reschedule task {} on {}", task, node.getNodeIdentifier());
        }
    } finally {
        closeJmxConnection(connectorHolder, getClusterManager().dumpNodeInfo(node));
    }
}

Example 80 with JMXConnector

use of javax.management.remote.JMXConnector in project jdk8u_jdk by JetBrains.

the class Client method run.

public static void run(String url) throws Exception {
    final int notifEmittedCnt = 10;
    final CountDownLatch counter = new CountDownLatch(notifEmittedCnt);
    final Set<Long> seqSet = Collections.synchronizedSet(new HashSet<Long>());
    final AtomicBoolean duplNotification = new AtomicBoolean();
    JMXServiceURL serverUrl = new JMXServiceURL(url);
    ObjectName name = new ObjectName("test", "foo", "bar");
    JMXConnector jmxConnector = JMXConnectorFactory.connect(serverUrl);
    System.out.println("client connected");
    jmxConnector.addConnectionNotificationListener(new NotificationListener() {

        @Override
        public void handleNotification(Notification notification, Object handback) {
            System.out.println("connection notification: " + notification);
            if (!seqSet.add(notification.getSequenceNumber())) {
                duplNotification.set(true);
            }
            if (notification.getType().equals(JMXConnectionNotification.NOTIFS_LOST)) {
                long lostNotifs = ((Long) ((JMXConnectionNotification) notification).getUserData()).longValue();
                for (int i = 0; i < lostNotifs; i++) {
                    counter.countDown();
                }
            }
        }
    }, null, null);
    MBeanServerConnection jmxServer = jmxConnector.getMBeanServerConnection();
    jmxServer.addNotificationListener(name, new NotificationListener() {

        @Override
        public void handleNotification(Notification notification, Object handback) {
            System.out.println("client got: " + notification);
            if (!seqSet.add(notification.getSequenceNumber())) {
                duplNotification.set(true);
            }
            counter.countDown();
        }
    }, null, null);
    System.out.println("client invoking foo (" + notifEmittedCnt + " times)");
    for (int i = 0; i < notifEmittedCnt; i++) {
        System.out.print(".");
        jmxServer.invoke(name, "foo", new Object[] {}, new String[] {});
    }
    System.out.println();
    try {
        System.out.println("waiting for " + notifEmittedCnt + " notifications to arrive");
        if (!counter.await(30, TimeUnit.SECONDS)) {
            throw new InterruptedException();
        }
        if (duplNotification.get()) {
            System.out.println("ERROR: received duplicated notifications");
            throw new Error("received duplicated notifications");
        }
        System.out.println("\nshutting down client");
    } catch (InterruptedException e) {
        System.out.println("ERROR: notification processing thread interrupted");
        throw new Error("notification thread interrupted unexpectedly");
    }
}