Example usage for java.net UnknownHostException getMessage

Introduction

In this page you can find the example usage for java.net UnknownHostException getMessage.

Prototype

public String getMessage() 

Source Link

Document

Returns the detail message string of this throwable.

Usage

From source file:org.spirit.util.BotListUniqueId.java

public static final String getUniqueId() {

    String digest = "";

    try {/* w w w  . j a v  a  2 s .c om*/
        MessageDigest md = MessageDigest.getInstance("MD5");

        String timeVal = "" + (System.currentTimeMillis() + 1);
        String localHost = "";
        ;
        try {
            localHost = InetAddress.getLocalHost().toString();
        } catch (UnknownHostException e) {
            // If an error, we can use other values.
            log.error("Error trying to get localhost" + e.getMessage());
        }

        String randVal = "" + new Random().nextInt();
        String val = timeVal + localHost + randVal;
        md.reset();
        md.update(val.getBytes());

        // Generate the digest.
        digest = toHexString(md.digest());
    } catch (NoSuchAlgorithmException e) {
        log.error("Error trying to generate unique Id" + e.getMessage());
    } // End of the Try - Catch

    return digest;
}

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From source file:com.sm.transport.Utils.java

/**
 *
 * @return long represent by HostAddress+ PID
 */// w ww.  j a va 2  s  .c  om
public static long getDefaultNodeId() {
    String host = null;
    try {
        host = Inet4Address.getLocalHost().getHostAddress();
    } catch (java.net.UnknownHostException ex) {
        logger.error(ex.getMessage() + " using 127.0.0.1");
        host = "127.0.0.1";
    }
    int ip = getIP(host);
    logger.info("pid " + getPID() + " ip " + ip + " host " + host);
    long toReturn = (((long) getPID()) << 32) + ip;
    return toReturn;
}

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From source file:com.evolveum.midpoint.web.security.MidPointAuthenticationProvider.java

public static String getRemoteHost() {
    WebRequest req = (WebRequest) RequestCycle.get().getRequest();
    HttpServletRequest httpReq = (HttpServletRequest) req.getContainerRequest();
    String remoteIp = httpReq.getRemoteHost();

    String localIp = httpReq.getLocalAddr();

    if (remoteIp.equals(localIp)) {
        try {//from w w  w .j  a  v  a2s.  c  o m
            InetAddress inetAddress = InetAddress.getLocalHost();
            remoteIp = inetAddress.getHostAddress();
        } catch (UnknownHostException ex) {
            LOGGER.error("Can't get local host: " + ex.getMessage());
        }
    }
    return remoteIp;
}

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From source file:org.lic.ip.iplocator.IPv4RadixIntTree.java

private static long inet_aton(String ipStr) {
    try {//from  ww w.j  av  a  2 s . co m
        ByteBuffer bb = ByteBuffer.allocate(8);
        bb.putInt(0);
        bb.put(InetAddress.getByName(ipStr).getAddress());
        bb.rewind();
        return bb.getLong();
    } catch (UnknownHostException e) {
        logger.error(e.getMessage(), e);
    }
    return 0;
}

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From source file:org.sonar.application.config.ClusterSettings.java

private static InetAddress convertToInetAddress(String text, String key) {
    InetAddress inetAddress;/*from  w  ww  . j ava2  s  .  c om*/
    HostAndPort hostAndPort = HostAndPort.fromString(text);
    if (!InetAddresses.isInetAddress(hostAndPort.getHostText())) {
        try {
            inetAddress = InetAddress.getByName(hostAndPort.getHostText());
        } catch (UnknownHostException e) {
            throw new MessageException(format("The interface address [%s] of [%s] cannot be resolved : %s",
                    text, key, e.getMessage()));
        }
    } else {
        inetAddress = forString(hostAndPort.getHostText());
    }

    return inetAddress;
}

---

From source file:org.apache.hadoop.hive.ql.txn.compactor.Worker.java

/**
 * Get the hostname that this worker is run on.  Made static and public so that other classes
 * can use the same method to know what host their worker threads are running on.
 * @return hostname// w ww. j  av a2s .  co  m
 */
public static String hostname() {
    try {
        return InetAddress.getLocalHost().getHostName();
    } catch (UnknownHostException e) {
        LOG.error("Unable to resolve my host name " + e.getMessage());
        throw new RuntimeException(e);
    }
}

---

From source file:io.udvi.amqp.mq.transport.connection.CAMQPConnectionManager.java

public synchronized static void initialize(String containerId) {
    if (CAMQPConnectionManager.containerId == null) {
        String hostName = "localhost";
        try {/*from w w  w  .  jav  a2s .c o m*/
            InetAddress localMachine = InetAddress.getLocalHost();
            hostName = localMachine.getHostAddress();
            log.debug("hostName: " + hostName);
        } catch (java.net.UnknownHostException uhe) {
            String errorMessage = "Caught UnknownHostException while resolving canonicalHostName: "
                    + uhe.getMessage();
            log.error(errorMessage);
            throw new CAMQPConnectionException(errorMessage);
        }
        CAMQPConnectionManager.containerId = String.format("%s@%s", containerId, hostName);
        log.info("Initialized UdviMQ endpoint ID: " + CAMQPConnectionManager.containerId);
        System.out.println("Initialized UdviMQ endpoint ID: " + CAMQPConnectionManager.containerId);
    } else {
        throw new IllegalStateException("CAMQPConnectionManager already initialized: containerId: "
                + CAMQPConnectionManager.containerId);
    }
}

---

From source file:net.dovemq.transport.connection.CAMQPConnectionManager.java

public synchronized static void initialize(String containerId) {
    if (CAMQPConnectionManager.containerId == null) {
        String hostName = "localhost";
        try {// w w  w .j  a  v a 2 s. c om
            InetAddress localMachine = InetAddress.getLocalHost();
            hostName = localMachine.getHostAddress();
            log.debug("hostName: " + hostName);
        } catch (java.net.UnknownHostException uhe) {
            String errorMessage = "Caught UnknownHostException while resolving canonicalHostName: "
                    + uhe.getMessage();
            log.error(errorMessage);
            throw new CAMQPConnectionException(errorMessage);
        }
        CAMQPConnectionManager.containerId = String.format("%s@%s", containerId, hostName);
        log.info("Initialized DoveMQ endpoint ID: " + CAMQPConnectionManager.containerId);
        System.out.println("Initialized DoveMQ endpoint ID: " + CAMQPConnectionManager.containerId);
    } else {
        throw new IllegalStateException("CAMQPConnectionManager already initialized: containerId: "
                + CAMQPConnectionManager.containerId);
    }
}

---

From source file:uk.ac.bbsrc.tgac.miso.integration.util.IntegrationUtils.java

/**
 * Sends a String message to a given host socket
 * /*from   w w  w. java 2s .c om*/
 * @param socket
 *          of type Socket
 * @param query
 *          of type String
 * @return String
 * @throws IntegrationException
 *           when the socket couldn't be created
 */
public static String sendMessage(Socket socket, String query) throws IntegrationException {
    BufferedWriter wr = null;
    BufferedReader rd = null;
    try {
        wr = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream(), "UTF8"));

        // Send data
        wr.write(query + "\r\n");
        wr.flush();

        // Get response
        rd = new BufferedReader(new InputStreamReader(socket.getInputStream()));
        String line;
        StringBuilder sb = new StringBuilder();
        while ((line = rd.readLine()) != null) {
            sb.append(line);
        }
        wr.close();
        rd.close();

        String dirty = sb.toString();
        StringBuilder response = new StringBuilder();
        int codePoint;
        int i = 0;
        while (i < dirty.length()) {
            codePoint = dirty.codePointAt(i);
            if ((codePoint == 0x9) || (codePoint == 0xA) || (codePoint == 0xD)
                    || ((codePoint >= 0x20) && (codePoint <= 0xD7FF))
                    || ((codePoint >= 0xE000) && (codePoint <= 0xFFFD))
                    || ((codePoint >= 0x10000) && (codePoint <= 0x10FFFF))) {
                response.append(Character.toChars(codePoint));
            }
            i += Character.charCount(codePoint);
        }

        return response.toString().replace("\\\n", "").replace("\\\t", "");
    } catch (UnknownHostException e) {
        log.error("Cannot resolve host: " + socket.getInetAddress(), e);
        throw new IntegrationException(e.getMessage());
    } catch (IOException e) {
        log.error("Couldn't get I/O for the connection to: " + socket.getInetAddress(), e);
        throw new IntegrationException(e.getMessage());
    } finally {
        try {
            if (wr != null) {
                wr.close();
            }
            if (rd != null) {
                rd.close();
            }
        } catch (Throwable t) {
            log.error("close socket", t);
        }
    }
}

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From source file:org.eclipse.gyrex.cloud.internal.NodeInfo.java

private static String getDefaultLocationInfo(final String nodeId) {
    try {/*from  w ww  .  j  a  v  a  2 s  .c om*/
        return InetAddress.getLocalHost().getCanonicalHostName();
    } catch (final UnknownHostException e) {
        return nodeId + ": " + e.getMessage();
    }
}

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