Examples with BindException java.net.BindException used on opensource projects

Example 6 with BindException

use of java.net.BindException in project storm by apache.

the class Zookeeper method mkInprocessZookeeper.

public static List mkInprocessZookeeper(String localdir, Integer port) throws Exception {
    File localfile = new File(localdir);
    ZooKeeperServer zk = new ZooKeeperServer(localfile, localfile, 2000);
    NIOServerCnxnFactory factory = null;
    int report = 2000;
    int limitPort = 65535;
    if (port != null) {
        report = port;
        limitPort = port;
    }
    while (true) {
        try {
            factory = new NIOServerCnxnFactory();
            factory.configure(new InetSocketAddress(report), 0);
            break;
        } catch (BindException e) {
            report++;
            if (report > limitPort) {
                throw new RuntimeException("No port is available to launch an inprocess zookeeper");
            }
        }
    }
    LOG.info("Starting inprocess zookeeper at port {} and dir {}", report, localdir);
    factory.startup(zk);
    return Arrays.asList((Object) new Long(report), (Object) factory);
}

Example 7 with BindException

use of java.net.BindException in project hbase by apache.

the class MiniZooKeeperCluster method startup.

/**
   * @param baseDir
   * @param numZooKeeperServers
   * @return ClientPort server bound to, -1 if there was a
   *         binding problem and we couldn't pick another port.
   * @throws IOException
   * @throws InterruptedException
   */
public int startup(File baseDir, int numZooKeeperServers) throws IOException, InterruptedException {
    if (numZooKeeperServers <= 0)
        return -1;
    setupTestEnv();
    shutdown();
    // the seed port
    int tentativePort = -1;
    int currentClientPort;
    // running all the ZK servers
    for (int i = 0; i < numZooKeeperServers; i++) {
        File dir = new File(baseDir, "zookeeper_" + i).getAbsoluteFile();
        createDir(dir);
        int tickTimeToUse;
        if (this.tickTime > 0) {
            tickTimeToUse = this.tickTime;
        } else {
            tickTimeToUse = TICK_TIME;
        }
        // Set up client port - if we have already had a list of valid ports, use it.
        if (hasValidClientPortInList(i)) {
            currentClientPort = clientPortList.get(i);
        } else {
            // update the seed
            tentativePort = selectClientPort(tentativePort);
            currentClientPort = tentativePort;
        }
        ZooKeeperServer server = new ZooKeeperServer(dir, dir, tickTimeToUse);
        NIOServerCnxnFactory standaloneServerFactory;
        while (true) {
            try {
                standaloneServerFactory = new NIOServerCnxnFactory();
                standaloneServerFactory.configure(new InetSocketAddress(currentClientPort), configuration.getInt(HConstants.ZOOKEEPER_MAX_CLIENT_CNXNS, 1000));
            } catch (BindException e) {
                LOG.debug("Failed binding ZK Server to client port: " + currentClientPort, e);
                // We're told to use some port but it's occupied, fail
                if (hasValidClientPortInList(i)) {
                    return -1;
                }
                // This port is already in use, try to use another.
                tentativePort = selectClientPort(tentativePort);
                currentClientPort = tentativePort;
                continue;
            }
            break;
        }
        // Start up this ZK server
        standaloneServerFactory.startup(server);
        // Runs a 'stat' against the servers.
        if (!waitForServerUp(currentClientPort, connectionTimeout)) {
            throw new IOException("Waiting for startup of standalone server");
        }
        // We have selected a port as a client port.  Update clientPortList if necessary.
        if (clientPortList.size() <= i) {
            // it is not in the list, add the port
            clientPortList.add(currentClientPort);
        } else if (clientPortList.get(i) <= 0) {
            // the list has invalid port, update with valid port
            clientPortList.remove(i);
            clientPortList.add(i, currentClientPort);
        }
        standaloneServerFactoryList.add(standaloneServerFactory);
        zooKeeperServers.add(server);
    }
    // set the first one to be active ZK; Others are backups
    activeZKServerIndex = 0;
    started = true;
    int clientPort = clientPortList.get(activeZKServerIndex);
    LOG.info("Started MiniZooKeeperCluster and ran successful 'stat' " + "on client port=" + clientPort);
    return clientPort;
}

Example 8 with BindException

use of java.net.BindException in project Smack by igniterealtime.

the class NetworkUtil method getSocketOnLoopback.

public static ServerSocket getSocketOnLoopback() {
    final InetAddress loopbackAddress = InetAddress.getLoopbackAddress();
    final int portMin = 1024;
    final int portMax = (1 << 16) - 1;
    final int backlog = 1;
    ServerSocket serverSocket = null;
    for (int port = portMin; port <= portMax; port++) {
        try {
            serverSocket = new ServerSocket(port, backlog, loopbackAddress);
            break;
        } catch (BindException e) {
            LOGGER.log(Level.FINEST, "Could not bind port " + port + ", trying next", e);
        } catch (IOException e) {
            throw new IllegalStateException(e);
        }
    }
    if (serverSocket == null) {
        throw new IllegalStateException();
    }
    return serverSocket;
}

Example 9 with BindException

use of java.net.BindException in project hudson-2.x by hudson.

the class UDPBroadcastThread method run.

@Override
public void run() {
    try {
        mcs.joinGroup(MULTICAST);
        ready.signal();
        while (true) {
            byte[] buf = new byte[2048];
            DatagramPacket p = new DatagramPacket(buf, buf.length);
            mcs.receive(p);
            SocketAddress sender = p.getSocketAddress();
            // prepare a response
            TcpSlaveAgentListener tal = hudson.getTcpSlaveAgentListener();
            StringBuilder rsp = new StringBuilder("<hudson>");
            tag(rsp, "version", Hudson.VERSION);
            tag(rsp, "url", hudson.getRootUrl());
            tag(rsp, "slave-port", tal == null ? null : tal.getPort());
            for (UDPBroadcastFragment f : UDPBroadcastFragment.all()) f.buildFragment(rsp, sender);
            rsp.append("</hudson>");
            byte[] response = rsp.toString().getBytes("UTF-8");
            mcs.send(new DatagramPacket(response, response.length, sender));
        }
    } catch (ClosedByInterruptException e) {
    // shut down
    } catch (BindException e) {
        // if we failed to listen to UDP, just silently abandon it, as a stack trace
        // makes people unnecessarily concerned, for a feature that currently does no good.
        LOGGER.log(Level.WARNING, "Failed to listen to UDP port " + PORT, e);
    } catch (IOException e) {
        // forcibly closed
        if (shutdown)
            return;
        LOGGER.log(Level.WARNING, "UDP handling problem", e);
    }
}

Example 10 with BindException

use of java.net.BindException in project hbase by apache.

the class TestIPv6NIOServerSocketChannel method bindServerSocket.

/**
   * Creates and binds a regular ServerSocket.
   */
private void bindServerSocket(InetAddress inetAddr) throws IOException {
    while (true) {
        int port = HBaseTestingUtility.randomFreePort();
        InetSocketAddress addr = new InetSocketAddress(inetAddr, port);
        ServerSocket serverSocket = null;
        try {
            serverSocket = new ServerSocket();
            serverSocket.bind(addr);
            break;
        } catch (BindException ex) {
        //continue
        } finally {
            if (serverSocket != null) {
                serverSocket.close();
            }
        }
    }
}