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

Example 61 with MBeanServerConnection

use of javax.management.MBeanServerConnection in project hbase by apache.

the class TestJMXListener method testStart.

@Test
public void testStart() throws Exception {
    JMXConnector connector = JMXConnectorFactory.connect(JMXListener.buildJMXServiceURL(connectorPort, connectorPort));
    MBeanServerConnection mb = connector.getMBeanServerConnection();
    String domain = mb.getDefaultDomain();
    Assert.assertTrue("default domain is not correct", !domain.isEmpty());
    connector.close();
}

Example 62 with MBeanServerConnection

use of javax.management.MBeanServerConnection in project hbase by apache.

the class TestStochasticBalancerJmxMetrics method readJmxMetrics.

/**
   * Read the attributes from Hadoop->HBase->Master->Balancer in JMX
   * @throws IOException 
   */
private Set<String> readJmxMetrics() throws IOException {
    JMXConnector connector = null;
    ObjectName target = null;
    MBeanServerConnection mb = null;
    try {
        connector = JMXConnectorFactory.connect(JMXListener.buildJMXServiceURL(connectorPort, connectorPort));
        mb = connector.getMBeanServerConnection();
        Hashtable<String, String> pairs = new Hashtable<>();
        pairs.put("service", "HBase");
        pairs.put("name", "Master");
        pairs.put("sub", "Balancer");
        target = new ObjectName("Hadoop", pairs);
        MBeanInfo beanInfo = mb.getMBeanInfo(target);
        Set<String> existingAttrs = new HashSet<>();
        for (MBeanAttributeInfo attrInfo : beanInfo.getAttributes()) {
            existingAttrs.add(attrInfo.getName());
        }
        return existingAttrs;
    } catch (Exception e) {
        LOG.warn("Failed to get bean!!! " + target, e);
        if (mb != null) {
            Set<ObjectInstance> instances = mb.queryMBeans(null, null);
            Iterator<ObjectInstance> iterator = instances.iterator();
            System.out.println("MBean Found:");
            while (iterator.hasNext()) {
                ObjectInstance instance = iterator.next();
                System.out.println("Class Name: " + instance.getClassName());
                System.out.println("Object Name: " + instance.getObjectName());
            }
        }
    } finally {
        if (connector != null) {
            try {
                connector.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
    return null;
}

Example 63 with MBeanServerConnection

use of javax.management.MBeanServerConnection in project camel by apache.

the class ManagedSEDeployableContainer method isJMXTestRunnerMBeanRegistered.

private boolean isJMXTestRunnerMBeanRegistered(final String host, final int port, int waitTime) throws DeploymentException {
    // Taken from org.jboss.arquillian.container.spi.client.protocol.metadata.JMXContext
    final String jmxServiceUrl = "service:jmx:rmi:///jndi/rmi://" + host + ":" + port + "/jmxrmi";
    try (JMXConnector jmxc = JMXConnectorFactory.connect(new JMXServiceURL(jmxServiceUrl), null)) {
        final MBeanServerConnection mbsc = jmxc.getMBeanServerConnection();
        return new Await(waitTime, new Callable<Boolean>() {

            @Override
            public Boolean call() throws Exception {
                mbsc.getObjectInstance(new ObjectName(JMXTestRunnerMBean.OBJECT_NAME));
                LOGGER.fine("JMXTestRunnerMBean registered with the remote MBean server at: " + jmxServiceUrl);
                return true;
            }
        }).start();
    } catch (IOException e) {
        throw new DeploymentException("Could not verify JMXTestRunnerMBean registration", e);
    }
}

Example 64 with MBeanServerConnection

use of javax.management.MBeanServerConnection in project jvm-tools by aragozin.

the class JmxConnectionInfo method connectJmx.

@SuppressWarnings("resource")
private MBeanServerConnection connectJmx(String host, int port, Map<String, Object> props) {
    try {
        String proto = System.getProperty("jmx.service.protocol", "rmi");
        final String uri = "rmi".equals(proto) ? "service:jmx:rmi:///jndi/rmi://" + host + ":" + port + "/jmxrmi" : "service:jmx:" + proto + "://" + host + ":" + port;
        JMXServiceURL jmxurl = new JMXServiceURL(uri);
        JMXConnector conn = props == null ? JMXConnectorFactory.connect(jmxurl) : JMXConnectorFactory.connect(jmxurl, props);
        // TODO credentials
        MBeanServerConnection mserver = conn.getMBeanServerConnection();
        return mserver;
    } catch (MalformedURLException e) {
        commandHost.fail("JMX Connection failed: " + e.toString(), e);
    } catch (IOException e) {
        commandHost.fail("JMX Connection failed: " + e.toString(), e);
    }
    return null;
}

Example 65 with MBeanServerConnection

use of javax.management.MBeanServerConnection in project jvm-tools by aragozin.

the class CaptureCheck method capture.

@Test
public void capture() throws FileNotFoundException, IOException {
    File dump = new File(taget);
    if (dump.getParentFile() != null) {
        dump.getParentFile().mkdirs();
    }
    UniversalEventWriter writer = ThreadEventCodec.createEventWriter(new FileOutputStream(dump));
    MyEventWriter twriter = TypedEventWriterProxy.decorate(writer).pass(ThreadSnapshotEvent.class).pass(GarbageCollectionEvent.class).facade(MyEventWriter.class);
    MBeanServerConnection conn = AttachManager.getJmxConnection(PID);
    GcEventSubscriber subscriber = new GcEventSubscriber(conn, new SimpleGcEventEncoder(twriter));
    if (!subscriber.subscribe()) {
        // polling fallback
        subscriber.schedule(500);
    }
    ThreadDumpSampler tdumper = new ThreadDumpSampler();
    ThreadMXBean threadMXBean = ThreadMXBeanEx.BeanHelper.connectThreadMXBean(conn);
    if (threadMXBean.isThreadContentionMonitoringSupported()) {
        threadMXBean.setThreadContentionMonitoringEnabled(true);
    }
    tdumper.connect(threadMXBean);
    long deadline = System.currentTimeMillis() + captureTime;
    ThreadEventAdapter threadWriter = new ThreadEventAdapter(twriter);
    while (System.currentTimeMillis() < deadline) {
        tdumper.collect(threadWriter);
    }
    twriter.close();
    System.out.println("Dump complete [" + dump.getPath() + "] " + dump.length() + " bytes");
    int tc = 0;
    int ntc = 0;
    EventReader<Event> reader = ThreadEventCodec.createEventReader(new FileInputStream(dump));
    for (Event e : reader) {
        if (e instanceof ThreadSnapshotEvent) {
            ++tc;
        } else {
            ++ntc;
        }
    }
    System.out.println("Thread events: " + tc + " Non thread events: " + ntc);
}