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.openo.nfvo.emsdriver.northbound.service.EmsDriverApplication.java

private void msbRegisteEmsDriverService(EmsDriverConfiguration configuration) {
    DefaultServerFactory defaultServerFactory = (DefaultServerFactory) configuration.getServerFactory();
    HttpConnectorFactory connector = (HttpConnectorFactory) defaultServerFactory.getAdminConnectors().get(0);
    MsbRegisterVo registerVo = new MsbRegisterVo();
    ServiceNodeVo serviceNode = new ServiceNodeVo();
    String ip = "";
    try {/*from w  w  w. j av a2s.co m*/
        ip = InetAddress.getLocalHost().getHostAddress();
    } catch (UnknownHostException e) {
        log.error("Unable to get host ip: " + e.getMessage());
    }
    if (ip.equals("")) {
        ip = connector.getBindHost();
    }
    serviceNode.setIp(ip);
    serviceNode.setPort(String.valueOf(connector.getPort()));
    serviceNode.setTtl(0);

    List<ServiceNodeVo> nodeList = new ArrayList<ServiceNodeVo>();
    nodeList.add(serviceNode);
    registerVo.setServiceName("emsdriver");
    registerVo.setUrl("/openoapi/emsdriver/v1");
    registerVo.setNodes(nodeList);

    MsbRestServiceProxy.registerService(registerVo);
    log.info("register monitor-umc service to msb finished.");

}

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From source file:mitm.common.util.InetNetworkFilter.java

/**
 * Returns true if the address is accepted by this filter, false if not.
 *//*from w  w  w. j  av  a  2s .c om*/
public synchronized boolean isAccepted(String address) {
    for (InetNetwork network : networks) {
        try {
            if (network.contains(address)) {
                return true;
            }
        } catch (UnknownHostException e) {
            logger.warn("UnknownHostException. Message: " + e.getMessage());
        }
    }

    return false;
}

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From source file:fr.jayasoft.ivy.url.BasicURLHandler.java

public boolean isReachable(URL url, int timeout) {
    try {/*from ww w. j  a v  a  2  s. c o  m*/
        URLConnection con = url.openConnection();
        if (con instanceof HttpURLConnection) {
            int status = ((HttpURLConnection) con).getResponseCode();
            if (status == HttpStatus.SC_OK) {
                return true;
            }
            if (status == HttpStatus.SC_PROXY_AUTHENTICATION_REQUIRED) {
                Message.warn("Your proxy requires authentication.");
            } else if (String.valueOf(status).startsWith("4")) {
                Message.verbose(
                        "CLIENT ERROR: " + ((HttpURLConnection) con).getResponseMessage() + " url=" + url);
            } else if (String.valueOf(status).startsWith("5")) {
                Message.error(
                        "SERVER ERROR: " + ((HttpURLConnection) con).getResponseMessage() + " url=" + url);
            }
            Message.debug("HTTP response status: " + status + " url=" + url);
        } else {
            int contentLength = con.getContentLength();
            return contentLength > 0;
        }
    } catch (UnknownHostException e) {
        Message.warn("Host " + e.getMessage() + " not found. url=" + url);
        Message.info(
                "You probably access the destination server through a proxy server that is not well configured.");
    } catch (IOException e) {
        Message.error("Server access Error: " + e.getMessage() + " url=" + url);
    }
    return false;
}

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From source file:gov.hhs.fha.nhinc.lift.proxy.properties.imp.ConsumerProxyPropertiesFacadeRI.java

@Override
public InetAddress getClientProxyAddress() {
    try {//  ww  w.ja v  a2  s.c o  m
        //only expects connection on the localhost from the file downloader
        return InetAddress.getByName("localhost");
    } catch (UnknownHostException e) {
        log.error(e.getMessage());
    }
    return null;
}

---

From source file:com.cws.esolutions.core.utils.NetworkUtils.java

/**
 * Creates an telnet connection to a target host and port number. Silently
 * succeeds if no issues are encountered, if so, exceptions are logged and
 * re-thrown back to the requestor./*from   w  w  w .ja  va 2s  . com*/
 *
 * If an exception is thrown during the <code>socket.close()</code> operation,
 * it is logged but NOT re-thrown. It's not re-thrown because it does not indicate
 * a connection failure (indeed, it means the connection succeeded) but it is
 * logged because continued failures to close the socket could result in target
 * system instability.
 * 
 * @param hostName - The target host to make the connection to
 * @param portNumber - The port number to attempt the connection on
 * @param timeout - The timeout for the connection
 * @throws UtilityException {@link com.cws.esolutions.core.utils.exception.UtilityException} if an error occurs processing
 */
public static final synchronized void executeTelnetRequest(final String hostName, final int portNumber,
        final int timeout) throws UtilityException {
    final String methodName = NetworkUtils.CNAME
            + "#executeTelnetRequest(final String hostName, final int portNumber, final int timeout) throws UtilityException";

    if (DEBUG) {
        DEBUGGER.debug(methodName);
        DEBUGGER.debug(hostName);
        DEBUGGER.debug("portNumber: {}", portNumber);
        DEBUGGER.debug("timeout: {}", timeout);
    }

    Socket socket = null;

    try {
        synchronized (new Object()) {
            if (InetAddress.getByName(hostName) == null) {
                throw new UnknownHostException("No host was found in DNS for the given name: " + hostName);
            }

            InetSocketAddress socketAddress = new InetSocketAddress(hostName, portNumber);

            socket = new Socket();
            socket.setSoTimeout((int) TimeUnit.SECONDS.toMillis(timeout));
            socket.setSoLinger(false, 0);
            socket.setKeepAlive(false);
            socket.connect(socketAddress, (int) TimeUnit.SECONDS.toMillis(timeout));

            if (!(socket.isConnected())) {
                throw new ConnectException("Failed to connect to host " + hostName + " on port " + portNumber);
            }

            PrintWriter pWriter = new PrintWriter(socket.getOutputStream(), true);

            pWriter.println(NetworkUtils.TERMINATE_TELNET + NetworkUtils.CRLF);

            pWriter.flush();
            pWriter.close();
        }
    } catch (ConnectException cx) {
        throw new UtilityException(cx.getMessage(), cx);
    } catch (UnknownHostException ux) {
        throw new UtilityException(ux.getMessage(), ux);
    } catch (SocketException sx) {
        throw new UtilityException(sx.getMessage(), sx);
    } catch (IOException iox) {
        throw new UtilityException(iox.getMessage(), iox);
    } finally {
        try {
            if ((socket != null) && (!(socket.isClosed()))) {
                socket.close();
            }
        } catch (IOException iox) {
            // log it - this could cause problems later on
            ERROR_RECORDER.error(iox.getMessage(), iox);
        }
    }
}

---

From source file:com.stratio.cassandra.index.schema.ColumnMapperInet.java

/** {@inheritDoc} */
@Override/* w  ww . jav  a2 s .com*/
public String indexValue(String name, Object value) {
    if (value == null) {
        return null;
    } else if (value instanceof InetAddress) {
        InetAddress inetAddress = (InetAddress) value;
        return inetAddress.getHostAddress();
    } else if (value instanceof String) {
        String svalue = (String) value;
        if (IPV4_PATTERN.matcher(svalue).matches() || IPV6_PATTERN.matcher(svalue).matches()
                || IPV6_COMPRESSED_PATTERN.matcher(svalue).matches()) {
            try {
                return InetAddress.getByName(svalue).getHostAddress();
            } catch (UnknownHostException e) {
                Log.error(e, e.getMessage());
            }
        }
    }
    throw new IllegalArgumentException(String.format("Value '%s' cannot be cast to InetAddress", value));
}

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From source file:com.stratio.cassandra.index.schema.ColumnMapperInet.java

/** {@inheritDoc} */
@Override/*ww w .j av a2 s  . co  m*/
public String queryValue(String name, Object value) {
    if (value == null) {
        return null;
    } else if (value instanceof InetAddress) {
        InetAddress inetAddress = (InetAddress) value;
        return inetAddress.getHostAddress();
    } else if (value instanceof String) {
        String svalue = (String) value;
        if (IPV4_PATTERN.matcher(svalue).matches() || IPV6_PATTERN.matcher(svalue).matches()
                || IPV6_COMPRESSED_PATTERN.matcher(svalue).matches()) {
            try {
                return InetAddress.getByName(svalue).getHostAddress();
            } catch (UnknownHostException e) {
                Log.error(e, e.getMessage());
            }
        } else {
            return svalue;
        }
    }
    throw new IllegalArgumentException(String.format("Value '%s' cannot be cast to InetAddress", value));
}

---

From source file:com.predic8.membrane.core.interceptor.acl.Resource.java

public boolean checkAccess(String hostname, String ip) {
    if (log.isDebugEnabled()) {
        log.debug("Hostname: " + hostname
                + (router.getTransport().isReverseDNS() ? "" : " (reverse DNS is disabled in configuration)"));
        log.debug("IP: " + ip);
        try {//from w w w .  ja  v a  2  s. co m
            log.debug("Hostaddress (might require slow DNS lookup): "
                    + router.getDnsCache().getHostName(InetAddress.getByName(ip)));
        } catch (UnknownHostException e) {
            log.debug("Failed to get hostname from address: " + e.getMessage());
        }
    }

    for (AbstractClientAddress cAdd : clientAddresses) {
        if (cAdd.matches(hostname, ip))
            return true;
    }

    return false;
}

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From source file:org.jumlabs.jcr.oak.rpc.AppConfiguration.java

@Bean
public MongoConnection mongoConnection() {
    MongoClientURI uri = new MongoClientURI(
            "mongodb://" + connectionSettings.getMongoHost() + "/" + connectionSettings.getMongoDB());
    MongoConnection mongo = null;/*  w  w w .  j a  v  a  2 s.c om*/
    try {
        mongo = new MongoConnection(uri.getURI());
    } catch (UnknownHostException ex) {
        logger.error(ex.getMessage(), ex);
    }
    return mongo;
}

---

From source file:org.springframework.cloud.client.discovery.noop.NoopDiscoveryClientAutoConfiguration.java

@PostConstruct
public void init() {
    String host = "localhost";
    try {// ww w.ja  v a  2  s .  c  o m
        host = InetAddress.getLocalHost().getHostName();
    } catch (UnknownHostException e) {
        log.warn("Cannot get host info: (" + e.getMessage() + ")");
    }
    int port = findPort();
    this.serviceInstance = new DefaultServiceInstance(
            this.environment.getProperty("spring.application.name", "application"), host, port, false);
}

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