Example usage for java.nio.channels ServerSocketChannel close

Introduction

In this page you can find the example usage for java.nio.channels ServerSocketChannel close.

Prototype

public final void close() throws IOException 

Source Link

Document

Closes this channel.

Usage

From source file:com.linkedin.d2.quorum.ZKPeer.java

public void killPeerZkServer() {
    ZooKeeperServer zserver = _peer.getActiveServer();

    try {/*ww w. j  a va2s  .c  o m*/
        _log.info("Killing quorum zk server. Peer #" + getPeerPortsInfo());
        Field cnxnFactoryField = ZooKeeperServer.class.getDeclaredField("serverCnxnFactory");
        cnxnFactoryField.setAccessible(true);

        NIOServerCnxnFactory cnxnFactory = (NIOServerCnxnFactory) cnxnFactoryField.get(zserver);
        cnxnFactory.shutdown();

        Field ssField = cnxnFactory.getClass().getDeclaredField("ss");
        ssField.setAccessible(true);
        ServerSocketChannel ss = (ServerSocketChannel) ssField.get(cnxnFactory);
        ss.close();
        close();
    } catch (Exception e) {
        // do nothing - this method is only for testing
    }
}

---

From source file:com.linkedin.d2.quorum.ZKPeer.java

public void killQuorumPeer() {
    try {//from   w  w  w  .j  av a2s.c om
        if (_peer != null) {
            _log.info("Killing quorum peer #" + getPeerPortsInfo());

            Field cnxnFactoryField = QuorumPeer.class.getDeclaredField("cnxnFactory");
            cnxnFactoryField.setAccessible(true);
            NIOServerCnxnFactory cnxnFactory = (NIOServerCnxnFactory) cnxnFactoryField.get(_peer);
            cnxnFactory.shutdown();

            Field ssField = cnxnFactory.getClass().getDeclaredField("ss");
            ssField.setAccessible(true);
            ServerSocketChannel ss = (ServerSocketChannel) ssField.get(cnxnFactory);
            ss.close();
        }
        close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

---

From source file:com.web.server.WebServer.java

/**
 * This is the start of the all the services in web server
 * @param args/*from w w w.  j  a  v  a 2s  .co m*/
 * @throws IOException 
 * @throws SAXException 
 */
public static void main(String[] args) throws IOException, SAXException {

    Hashtable urlClassLoaderMap = new Hashtable();
    Hashtable executorServicesMap = new Hashtable();
    Hashtable ataMap = new Hashtable<String, ATAConfig>();
    Hashtable messagingClassMap = new Hashtable();
    ConcurrentHashMap servletMapping = new ConcurrentHashMap();
    DigesterLoader serverdigesterLoader = DigesterLoader.newLoader(new FromXmlRulesModule() {

        protected void loadRules() {
            // TODO Auto-generated method stub
            try {
                loadXMLRules(new InputSource(new FileInputStream("./config/serverconfig-rules.xml")));
            } catch (FileNotFoundException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

        }
    });
    Digester serverdigester = serverdigesterLoader.newDigester();
    final ServerConfig serverconfig = (ServerConfig) serverdigester
            .parse(new InputSource(new FileInputStream("./config/serverconfig.xml")));
    DigesterLoader messagingdigesterLoader = DigesterLoader.newLoader(new FromXmlRulesModule() {

        protected void loadRules() {
            // TODO Auto-generated method stub
            try {
                loadXMLRules(new InputSource(new FileInputStream("./config/messagingconfig-rules.xml")));
            } catch (FileNotFoundException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

        }
    });
    Digester messagingdigester = messagingdigesterLoader.newDigester();
    MessagingElem messagingconfig = (MessagingElem) messagingdigester
            .parse(new InputSource(new FileInputStream("./config/messaging.xml")));
    //System.out.println(messagingconfig);
    ////System.out.println(serverconfig.getDeploydirectory());
    PropertyConfigurator.configure("log4j.properties");
    /*MemcachedClient cache=new MemcachedClient(
        new InetSocketAddress("localhost", 1000));*/

    // Store a value (async) for one hour
    //c.set("someKey", 36, new String("arun"));
    // Retrieve a value.        
    System.setProperty(Context.INITIAL_CONTEXT_FACTORY, "org.apache.naming.java.javaURLContextFactory");
    System.setProperty(Context.URL_PKG_PREFIXES, "org.apache.naming");
    ExecutorService executor = java.util.concurrent.Executors.newCachedThreadPool();

    MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
    ObjectName name = null;
    try {
        name = new ObjectName("com.web.server:type=WarDeployer");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    WarDeployer warDeployer = new WarDeployer(serverconfig.getDeploydirectory(), serverconfig.getFarmWarDir(),
            serverconfig.getClustergroup(), urlClassLoaderMap, executorServicesMap, messagingClassMap,
            servletMapping, messagingconfig, sessionObjects);
    warDeployer.setPriority(MIN_PRIORITY);
    try {
        mbs.registerMBean(warDeployer, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    //warDeployer.start();
    executor.execute(warDeployer);

    ServerSocketChannel serverSocketChannel = ServerSocketChannel.open();

    serverSocketChannel.bind(new InetSocketAddress("0.0.0.0", Integer.parseInt(serverconfig.getPort())));

    serverSocketChannel.configureBlocking(false);

    final byte[] shutdownBt = new byte[50];
    WebServerRequestProcessor webserverRequestProcessor = new WebServer().new WebServerRequestProcessor(
            servletMapping, urlClassLoaderMap, serverSocketChannel, serverconfig.getDeploydirectory(),
            Integer.parseInt(serverconfig.getShutdownport()), 1);
    webserverRequestProcessor.setPriority(MIN_PRIORITY);
    try {
        name = new ObjectName("com.web.server:type=WebServerRequestProcessor");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(webserverRequestProcessor, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    //webserverRequestProcessor.start();
    executor.execute(webserverRequestProcessor);

    for (int i = 0; i < 10; i++) {
        WebServerRequestProcessor webserverRequestProcessor1 = new WebServer().new WebServerRequestProcessor(
                servletMapping, urlClassLoaderMap, serverSocketChannel, serverconfig.getDeploydirectory(),
                Integer.parseInt(serverconfig.getShutdownport()), 2);
        webserverRequestProcessor1.setPriority(MIN_PRIORITY);
        try {
            name = new ObjectName("com.web.server:type=WebServerRequestProcessor" + (i + 1));
        } catch (MalformedObjectNameException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }

        try {
            mbs.registerMBean(webserverRequestProcessor1, name);
        } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }

        executor.execute(webserverRequestProcessor1);
    }

    ServerSocketChannel serverSocketChannelServices = ServerSocketChannel.open();

    serverSocketChannelServices
            .bind(new InetSocketAddress("0.0.0.0", Integer.parseInt(serverconfig.getServicesport())));

    serverSocketChannelServices.configureBlocking(false);

    ExecutorServiceThread executorService = new ExecutorServiceThread(serverSocketChannelServices,
            executorServicesMap, Integer.parseInt(serverconfig.getShutdownport()), ataMap, urlClassLoaderMap,
            serverconfig.getDeploydirectory(), serverconfig.getServicesdirectory(),
            serverconfig.getEarservicesdirectory(), serverconfig.getNodesport());

    try {
        name = new ObjectName("com.web.services:type=ExecutorServiceThread");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(executorService, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    //executorService.start();
    executor.execute(executorService);

    for (int i = 0; i < 10; i++) {
        ExecutorServiceThread executorService1 = new ExecutorServiceThread(serverSocketChannelServices,
                executorServicesMap, Integer.parseInt(serverconfig.getShutdownport()), ataMap,
                urlClassLoaderMap, serverconfig.getDeploydirectory(), serverconfig.getServicesdirectory(),
                serverconfig.getEarservicesdirectory(), serverconfig.getNodesport());

        try {
            name = new ObjectName("com.web.services:type=ExecutorServiceThread" + (i + 1));
        } catch (MalformedObjectNameException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }

        try {
            mbs.registerMBean(executorService1, name);
        } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }

        executor.execute(executorService1);
    }

    WebServerHttpsRequestProcessor webserverHttpsRequestProcessor = new WebServer().new WebServerHttpsRequestProcessor(
            servletMapping, urlClassLoaderMap, Integer.parseInt(serverconfig.getHttpsport()),
            serverconfig.getDeploydirectory(), Integer.parseInt(serverconfig.getShutdownport()),
            serverconfig.getHttpscertificatepath(), serverconfig.getHttpscertificatepasscode(), 1);
    try {
        name = new ObjectName("com.web.server:type=WebServerHttpsRequestProcessor");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(webserverHttpsRequestProcessor, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }
    webserverHttpsRequestProcessor.setPriority(MAX_PRIORITY);
    //webserverRequestProcessor.start();
    executor.execute(webserverHttpsRequestProcessor);

    /* for(int i=0;i<2;i++){
        webserverHttpsRequestProcessor=new WebServer().new WebServerHttpsRequestProcessor(urlClassLoaderMap,Integer.parseInt(serverconfig.getHttpsport())+(i+1),serverconfig.getDeploydirectory(),Integer.parseInt(serverconfig.getShutdownport()),serverconfig.getHttpscertificatepath(),serverconfig.getHttpscertificatepasscode(),1);
              
      try {
    name = new ObjectName("com.web.server:type=WebServerHttpsRequestProcessor"+(i+1));
      } catch (MalformedObjectNameException e1) {
    // TODO Auto-generated catch block
    e1.printStackTrace();
      } 
              
      try {
    mbs.registerMBean(webserverHttpsRequestProcessor, name);
      } catch (InstanceAlreadyExistsException | MBeanRegistrationException
       | NotCompliantMBeanException e1) {
    // TODO Auto-generated catch block
    e1.printStackTrace();
      }
              
      executor.execute(webserverHttpsRequestProcessor);
    }*/

    /*ATAServer ataServer=new ATAServer(serverconfig.getAtaaddress(),serverconfig.getAtaport(),ataMap);
            
    try {
       name = new ObjectName("com.web.services:type=ATAServer");
    } catch (MalformedObjectNameException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    } 
            
    try {
       mbs.registerMBean(ataServer, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException
    | NotCompliantMBeanException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    }
            
            
    ataServer.start();*/

    /*ATAConfigClient ataClient=new ATAConfigClient(serverconfig.getAtaaddress(),serverconfig.getAtaport(),serverconfig.getServicesport(),executorServicesMap);
            
    try {
       name = new ObjectName("com.web.services:type=ATAConfigClient");
    } catch (MalformedObjectNameException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    } 
            
    try {
       mbs.registerMBean(ataClient, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException
    | NotCompliantMBeanException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    }
    ataClient.start();*/

    MessagingServer messageServer = new MessagingServer(serverconfig.getMessageport(), messagingClassMap);

    try {
        name = new ObjectName("com.web.messaging:type=MessagingServer");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(messageServer, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }
    //messageServer.start();
    executor.execute(messageServer);

    RandomQueueMessagePicker randomqueuemessagepicker = new RandomQueueMessagePicker(messagingClassMap);

    try {
        name = new ObjectName("com.web.messaging:type=RandomQueueMessagePicker");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(randomqueuemessagepicker, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    //randomqueuemessagepicker.start();
    executor.execute(randomqueuemessagepicker);

    RoundRobinQueueMessagePicker roundrobinqueuemessagepicker = new RoundRobinQueueMessagePicker(
            messagingClassMap);

    try {
        name = new ObjectName("com.web.messaging:type=RoundRobinQueueMessagePicker");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(roundrobinqueuemessagepicker, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    //roundrobinqueuemessagepicker.start();
    executor.execute(roundrobinqueuemessagepicker);

    TopicMessagePicker topicpicker = new TopicMessagePicker(messagingClassMap);

    try {
        name = new ObjectName("com.web.messaging:type=TopicMessagePicker");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(topicpicker, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }
    //topicpicker.start();
    executor.execute(topicpicker);

    try {
        name = new ObjectName("com.web.server:type=SARDeployer");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }
    SARDeployer sarDeployer = SARDeployer.newInstance(serverconfig.getDeploydirectory());
    try {
        mbs.registerMBean(sarDeployer, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    executor.execute(sarDeployer);
    /*try {
       mbs.invoke(name, "startDeployer", null, null);
    } catch (InstanceNotFoundException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    } catch (ReflectionException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    } catch (MBeanException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    }
    */
    System.setProperty(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.rmi.registry.RegistryContextFactory");
    System.setProperty(Context.PROVIDER_URL, "rmi://localhost:" + serverconfig.getServicesregistryport());
    ;
    Registry registry = LocateRegistry.createRegistry(Integer.parseInt(serverconfig.getServicesregistryport()));

    /*JarDeployer jarDeployer=new JarDeployer(registry,serverconfig.getServicesdirectory(), serverconfig.getServiceslibdirectory(),serverconfig.getCachedir(),executorServicesMap, urlClassLoaderMap);
    try {
       name = new ObjectName("com.web.server:type=JarDeployer");
    } catch (MalformedObjectNameException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    } 
            
    try {
       mbs.registerMBean(jarDeployer, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException
    | NotCompliantMBeanException e1) {
       // TODO Auto-generated catch block
       e1.printStackTrace();
    }
            
    //jarDeployer.start();
    executor.execute(jarDeployer);*/

    EARDeployer earDeployer = new EARDeployer(registry, serverconfig.getEarservicesdirectory(),
            serverconfig.getDeploydirectory(), executorServicesMap, urlClassLoaderMap,
            serverconfig.getCachedir(), warDeployer);
    try {
        name = new ObjectName("com.web.server:type=EARDeployer");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(earDeployer, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    //earDeployer.start();
    executor.execute(earDeployer);

    JVMConsole jvmConsole = new JVMConsole(Integer.parseInt(serverconfig.getJvmConsolePort()));

    try {
        name = new ObjectName("com.web.server:type=JVMConsole");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(jvmConsole, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }
    executor.execute(jvmConsole);

    ScheduledExecutorService exec = Executors.newSingleThreadScheduledExecutor();
    XMLDeploymentScanner xmlDeploymentScanner = new XMLDeploymentScanner(serverconfig.getDeploydirectory(),
            serverconfig.getServiceslibdirectory());
    exec.scheduleAtFixedRate(xmlDeploymentScanner, 0, 1000, TimeUnit.MILLISECONDS);

    EmbeddedJMS embeddedJMS = null;
    try {
        embeddedJMS = new EmbeddedJMS();
        embeddedJMS.start();
    } catch (Exception ex) {
        // TODO Auto-generated catch block
        ex.printStackTrace();
    }

    EJBDeployer ejbDeployer = new EJBDeployer(serverconfig.getServicesdirectory(), registry,
            Integer.parseInt(serverconfig.getServicesregistryport()), embeddedJMS);
    try {
        name = new ObjectName("com.web.server:type=EJBDeployer");
    } catch (MalformedObjectNameException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        mbs.registerMBean(ejbDeployer, name);
    } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    //jarDeployer.start();
    executor.execute(ejbDeployer);

    new Thread() {
        public void run() {
            try {
                ServerSocket serverSocket = new ServerSocket(Integer.parseInt(serverconfig.getShutdownport()));
                while (true) {
                    Socket sock = serverSocket.accept();
                    InputStream istream = sock.getInputStream();
                    istream.read(shutdownBt);
                    String shutdownStr = new String(shutdownBt);
                    String[] shutdownToken = shutdownStr.split("\r\n\r\n");
                    //System.out.println(shutdownStr);
                    if (shutdownToken[0].startsWith("shutdown WebServer")) {
                        synchronized (shutDownObject) {
                            shutDownObject.notifyAll();
                        }
                    }
                }
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }.start();

    Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
        public void run() {
            System.out.println("IN shutdown Hook");
            synchronized (shutDownObject) {
                shutDownObject.notifyAll();
            }
        }
    }));
    try {
        synchronized (shutDownObject) {
            shutDownObject.wait();
        }
        executor.shutdownNow();
        serverSocketChannel.close();
        serverSocketChannelServices.close();
        embeddedJMS.stop();

    } catch (Exception e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    System.out.println("IN shutdown Hook1");
    /*try{
       Thread.sleep(10000);
    }
    catch(Exception ex){
               
    }*/

    //webserverRequestProcessor.stop();
    //webserverRequestProcessor1.stop();

    /*warDeployer.stop();
    executorService.stop();
    //ataServer.stop();
    //ataClient.stop();
    messageServer.stop();
    randomqueuemessagepicker.stop();
    roundrobinqueuemessagepicker.stop();
    topicpicker.stop();*/
    /*try {
       mbs.invoke(new ObjectName("com.web.server:type=SARDeployer"), "destroyDeployer", null, null);
    } catch (InstanceNotFoundException | MalformedObjectNameException
    | ReflectionException | MBeanException e) {
       // TODO Auto-generated catch block
       e.printStackTrace();
    }*/
    //earDeployer.stop();
    System.exit(0);
}

---

From source file:org.apache.catalina.cluster.tcp.ReplicationListener.java

public void listen() throws Exception {
    doListen = true;/*ww  w  . ja  v  a  2s. co m*/
    // allocate an unbound server socket channel
    ServerSocketChannel serverChannel = ServerSocketChannel.open();
    // Get the associated ServerSocket to bind it with
    ServerSocket serverSocket = serverChannel.socket();
    // create a new Selector for use below
    Selector selector = Selector.open();
    // set the port the server channel will listen to
    serverSocket.bind(new InetSocketAddress(bind, port));
    // set non-blocking mode for the listening socket
    serverChannel.configureBlocking(false);
    // register the ServerSocketChannel with the Selector
    serverChannel.register(selector, SelectionKey.OP_ACCEPT);
    while (doListen) {
        // this may block for a long time, upon return the
        // selected set contains keys of the ready channels
        try {

            //System.out.println("Selecting with timeout="+timeout);
            int n = selector.select(timeout);
            //System.out.println("select returned="+n);
            if (n == 0) {
                continue; // nothing to do
            }
            // get an iterator over the set of selected keys
            Iterator it = selector.selectedKeys().iterator();
            // look at each key in the selected set
            while (it.hasNext()) {
                SelectionKey key = (SelectionKey) it.next();
                // Is a new connection coming in?
                if (key.isAcceptable()) {
                    ServerSocketChannel server = (ServerSocketChannel) key.channel();
                    SocketChannel channel = server.accept();
                    registerChannel(selector, channel, SelectionKey.OP_READ,
                            new ObjectReader(channel, selector, callback));
                }
                // is there data to read on this channel?
                //System.out.println("key readable="+key.isReadable());
                if (key.isReadable()) {
                    readDataFromSocket(key);
                } else {
                    //System.out.println("This shouldn't get called");
                    key.interestOps(key.interestOps() & (~key.OP_WRITE));
                }

                // remove key from selected set, it's been handled
                it.remove();
            }
            //System.out.println("Done with loop");
        } catch (java.nio.channels.CancelledKeyException nx) {
            log.warn("Replication client disconnected, error when polling key. Ignoring client.");
        } catch (Exception x) {
            log.error("Unable to process request in ReplicationListener", x);
        }

    } //while
    serverChannel.close();
    selector.close();
}

---

From source file:org.apache.hadoop.hbase.TestIPv6NIOServerSocketChannel.java

/**
 * Creates a NIO ServerSocketChannel, and gets the ServerSocket from
 * there. Then binds the obtained socket.
 * This fails on Windows with Oracle JDK1.6.0u33, if the passed InetAddress is a
 * IPv6 address. Works on Oracle JDK 1.7.
 *//*from ww w . j  a v  a 2s  .  c om*/
private void bindNIOServerSocket(InetAddress inetAddr) throws IOException {
    while (true) {
        int port = HBaseTestingUtility.randomFreePort();
        InetSocketAddress addr = new InetSocketAddress(inetAddr, port);
        ServerSocketChannel channel = null;
        ServerSocket serverSocket = null;
        try {
            channel = ServerSocketChannel.open();
            serverSocket = channel.socket();
            serverSocket.bind(addr); // This does not work
            break;
        } catch (BindException ex) {
            //continue
        } finally {
            if (serverSocket != null) {
                serverSocket.close();
            }
            if (channel != null) {
                channel.close();
            }
        }
    }
}

---