Examples with MBeanServerConnection javax.management.MBeanServerConnection used on opensource projects

Example 91 with MBeanServerConnection

use of javax.management.MBeanServerConnection 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 92 with MBeanServerConnection

use of javax.management.MBeanServerConnection 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 93 with MBeanServerConnection

use of javax.management.MBeanServerConnection in project jdk8u_jdk by JetBrains.

the class RMIConnector method getConnectionWithSubject.

private MBeanServerConnection getConnectionWithSubject(Subject delegationSubject) {
    MBeanServerConnection conn = null;
    if (delegationSubject == null) {
        if (nullSubjectConnRef == null || (conn = nullSubjectConnRef.get()) == null) {
            conn = new RemoteMBeanServerConnection(null);
            nullSubjectConnRef = new WeakReference(conn);
        }
    } else {
        WeakReference<MBeanServerConnection> wr = rmbscMap.get(delegationSubject);
        if (wr == null || (conn = wr.get()) == null) {
            conn = new RemoteMBeanServerConnection(delegationSubject);
            rmbscMap.put(delegationSubject, new WeakReference(conn));
        }
    }
    return conn;
}

Example 94 with MBeanServerConnection

use of javax.management.MBeanServerConnection in project jdk8u_jdk by JetBrains.

the class TestUtils method makeNotificationEmitter.

/**
     * Transfroms a proxy implementing T in a proxy implementing T plus
     * NotificationEmitter
     *
     **/
public static <T> T makeNotificationEmitter(T proxy, Class<T> mbeanInterface) {
    if (proxy instanceof NotificationEmitter)
        return proxy;
    if (proxy == null)
        return null;
    if (!(proxy instanceof Proxy))
        throw new IllegalArgumentException("not a " + Proxy.class.getName());
    final Proxy p = (Proxy) proxy;
    final InvocationHandler handler = Proxy.getInvocationHandler(proxy);
    if (!(handler instanceof MBeanServerInvocationHandler))
        throw new IllegalArgumentException("not a JMX Proxy");
    final MBeanServerInvocationHandler h = (MBeanServerInvocationHandler) handler;
    final ObjectName name = h.getObjectName();
    final MBeanServerConnection mbs = h.getMBeanServerConnection();
    final boolean isMXBean = h.isMXBean();
    final T newProxy;
    if (isMXBean)
        newProxy = JMX.newMXBeanProxy(mbs, name, mbeanInterface, true);
    else
        newProxy = JMX.newMBeanProxy(mbs, name, mbeanInterface, true);
    return newProxy;
}

Example 95 with MBeanServerConnection

use of javax.management.MBeanServerConnection 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");
    }
}