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

Example 36 with UnknownHostException

use of java.net.UnknownHostException in project springside4 by springside.

the class NetUtil method initLocalAddress.

/**
	 * 初始化本地地址
	 */
private static void initLocalAddress() {
    NetworkInterface nic = null;
    // 根据命令行执行hostname获得本机hostname， 与/etc/hosts 中该hostname的第一条ip配置，获得ip地址
    try {
        localAddress = InetAddress.getLocalHost();
        nic = NetworkInterface.getByInetAddress(localAddress);
    } catch (Exception ignored) {
    // NOSONAR
    }
    // 如果结果为空，或是一个loopback地址(127.0.0.1), 或是ipv6地址，再遍历网卡尝试获取
    if (localAddress == null || nic == null || localAddress.isLoopbackAddress() || localAddress instanceof Inet6Address) {
        InetAddress lookedUpAddr = findLocalAddressViaNetworkInterface();
        // 仍然不符合要求，只好使用127.0.0.1
        try {
            localAddress = lookedUpAddr != null ? lookedUpAddr : InetAddress.getByName("127.0.0.1");
        } catch (UnknownHostException ignored) {
        // NOSONAR
        }
    }
    localHost = IPUtil.toString(localAddress);
    logger.info("localhost is {}", localHost);
}

Example 37 with UnknownHostException

use of java.net.UnknownHostException in project okhttp by square.

the class URLConnectionTest method urlWithSpaceInHost.

@Test
public void urlWithSpaceInHost() throws Exception {
    URLConnection urlConnection = urlFactory.open(new URL("http://and roid.com/"));
    try {
        urlConnection.getInputStream();
        fail();
    } catch (UnknownHostException expected) {
    }
}

Example 38 with UnknownHostException

use of java.net.UnknownHostException in project rest.li by linkedin.

the class AbstractNettyStreamClient method writeRequest.

private void writeRequest(final Request request, final RequestContext requestContext, final TimeoutTransportCallback<StreamResponse> callback) {
    State state = _state.get();
    if (state != State.RUNNING) {
        errorResponse(callback, new IllegalStateException("Client is " + state));
        return;
    }
    URI uri = request.getURI();
    String scheme = uri.getScheme();
    if (!"http".equalsIgnoreCase(scheme) && !"https".equalsIgnoreCase(scheme)) {
        errorResponse(callback, new IllegalArgumentException("Unknown scheme: " + scheme + " (only http/https is supported)"));
        return;
    }
    String host = uri.getHost();
    int port = uri.getPort();
    if (port == -1) {
        port = "http".equalsIgnoreCase(scheme) ? HTTP_DEFAULT_PORT : HTTPS_DEFAULT_PORT;
    }
    final SocketAddress address;
    try {
        // TODO investigate DNS resolution and timing
        InetAddress inetAddress = InetAddress.getByName(host);
        address = new InetSocketAddress(inetAddress, port);
        requestContext.putLocalAttr(R2Constants.REMOTE_SERVER_ADDR, inetAddress.getHostAddress());
    } catch (UnknownHostException e) {
        errorResponse(callback, e);
        return;
    }
    doWriteRequest(request, requestContext, address, callback);
}

Example 39 with UnknownHostException

use of java.net.UnknownHostException in project rest.li by linkedin.

the class IPAddressSimpleCoercer method coerceOutput.

@Override
public InetAddress coerceOutput(Object object) throws TemplateOutputCastException {
    try {
        byte[] addressBytes;
        Class<?> objectType = object.getClass();
        if (objectType == String.class) {
            addressBytes = Data.stringToBytes((String) object, true);
        } else if (objectType == ByteString.class) {
            addressBytes = ((ByteString) object).copyBytes();
        } else {
            throw new TemplateOutputCastException("Invalid type");
        }
        return InetAddress.getByAddress(addressBytes);
    } catch (UnknownHostException e) {
        throw new TemplateOutputCastException("Invalid host", e);
    }
}

Example 40 with UnknownHostException

use of java.net.UnknownHostException in project databus by linkedin.

the class BootstrapRequestProcessorBase method initBootstrapServerInfo.

private void initBootstrapServerInfo() {
    if (!_isServerInfoInitialized) {
        String host = null;
        try {
            host = InetAddress.getLocalHost().getHostName();
        } catch (UnknownHostException e) {
            LOG.error("Unable to fetch the local hostname !! Trying to fetch IP Address !!", e);
            try {
                host = InetAddress.getLocalHost().getHostAddress();
            } catch (UnknownHostException e1) {
                LOG.error("Unable to fetch the local IP Address too !! Giving up", e1);
                host = null;
            }
        }
        if (null != host) {
            int port = _bootstrapServer.getHttpPort();
            _serverHostPort = host + DbusConstants.HOSTPORT_DELIMITER + port;
            ServerInfo serverInfo = null;
            try {
                serverInfo = ServerInfo.buildServerInfoFromHostPort(_serverHostPort, DbusConstants.HOSTPORT_DELIMITER);
            } catch (Exception e) {
                LOG.error("Unable to build serverInfo from string (" + _serverHostPort + ")", e);
            }
            _serverInfo = serverInfo;
        } else {
            _serverHostPort = null;
            _serverInfo = null;
            LOG.error("Unable to fetch local address !! Clients connecting to this bootstrap server will restart bootstrap on failures !!");
        }
        _isServerInfoInitialized = true;
    }
}