Java UnknownHostException.printStackTrace方法代码示例

import java.net.UnknownHostException; //导入方法依赖的package包/类
@Override
public ElasticsearchAddonImpl initialize(ServiceConfig serviceConfig) {

    Settings settings = Settings.builder()
            .put("cluster.name", clustername)
            .put("node.name", clientname)
            .build();

    InetAddress address = null;
    try {
        address = InetAddress.getByName(coordinatorUrl);
    } catch (UnknownHostException e) {
        e.printStackTrace();
    }

    return this.withClient(new PreBuiltTransportClient(settings).addTransportAddress(new InetSocketTransportAddress(address, coordinatorPort)));
}
 

import java.net.UnknownHostException; //导入方法依赖的package包/类
public Blowfish(String csKey, boolean bMixWithIpAdress)
{
	try
	{
		if(bMixWithIpAdress)
		{
			InetAddress adr = InetAddress.getLocalHost();
			byte ipAdress[] = adr.getAddress();
			int nVal = 0;
			for(int n=0; n<ipAdress.length; n++)
			{
				nVal *= 256;
				nVal += ipAdress[n];
			}
			csKey += nVal;
		}
	}
	catch (UnknownHostException e)
	{
		// TODO Auto-generated catch block
		e.printStackTrace();
	}
	m_csKey = csKey;
}
 

import java.net.UnknownHostException; //导入方法依赖的package包/类
private InetAddress getDeviceIpAddress(WifiManager wifi) {
	InetAddress result = null;
	try {
		// default to Android localhost
		result = InetAddress.getByName("10.0.0.2");

		// figure out our wifi address, otherwise bail
		WifiInfo wifiinfo = wifi.getConnectionInfo();
		int intaddr = wifiinfo.getIpAddress();
		byte[] byteaddr = new byte[] { (byte) (intaddr & 0xff), (byte) (intaddr >> 8 & 0xff), (byte) (intaddr >> 16 & 0xff), (byte) (intaddr >> 24 & 0xff) };
		result = InetAddress.getByAddress(byteaddr);
	} catch (UnknownHostException e) {
		e.printStackTrace();
		Log.e(TAG, "getDeviceIpAddress Error: " + e.getMessage());
	}

	return result;
}
 

import java.net.UnknownHostException; //导入方法依赖的package包/类
final void checkConnectImpl(String host, int port) {
    Class insecure = getInsecureClass();
    if (insecure != null) {  
        URL ctx = getClassURL(insecure);
        if (ctx != null) {
            try {
                String fromHost = ctx.getHost();
                InetAddress ia2 = InetAddress.getByName(host);
                InetAddress ia3 = InetAddress.getByName(fromHost);
                if (ia2.equals(ia3)) {
                    return;
                }
            } catch (UnknownHostException e) { // ignore
                e.printStackTrace();
            }
        }
        throw new SecurityException();
    }
}
 

import java.net.UnknownHostException; //导入方法依赖的package包/类
@Override
public void onConfigChanged(OnConfigChangedEvent ev)
{
    if (ev.configID.equals(MalmoMod.SOCKET_CONFIGS))
    {
        AddressHelper.update(MalmoMod.instance.getModSessionConfigFile());
        try
        {
            ClientStateMachine.this.initialiseComms();
        }
        catch (UnknownHostException e)
        {
            // TODO What to do here?
            e.printStackTrace();
        }
        ScreenHelper.update(MalmoMod.instance.getModPermanentConfigFile());
    }
}
 

import java.net.UnknownHostException; //导入方法依赖的package包/类
/**
 * Initialization of the servlet. <br>
 *
 * @throws ServletException if an error occurs
 */
public void init() throws ServletException {
	String file = this.getServletContext().getRealPath(this.getInitParameter("log4j"));
	//从web.xml配置读取，名字一定要和web.xml配置一致
	  if(file != null){
	     PropertyConfigurator.configure(file);
	  }
	// Put your code here
	new CrawlerServer(DefaultConfig.serverPort).start();
	try {
		new WebSocket(DefaultConfig.socketPort).start();
	} catch (UnknownHostException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}
}
 

import java.net.UnknownHostException; //导入方法依赖的package包/类
public static String localHostName() {
    try {
        return InetAddress.getLocalHost().getHostName();
    } catch (UnknownHostException e) {
        e.printStackTrace();
    }

    return "DEFAULT_BROKER";
}
 

import java.net.UnknownHostException; //导入方法依赖的package包/类
public static String getHost() {
	try {
		InetAddress a = InetAddress.getLocalHost();
		return a.getHostAddress().toUpperCase();
	} catch (UnknownHostException e) {
		e.printStackTrace();
		return "N/A";
	}

}
 

import java.net.UnknownHostException; //导入方法依赖的package包/类
/**
 * 获取域名ip地址
 * <p>需添加权限 {@code <uses-permission android:name="android.permission.INTERNET"/>}</p>
 *
 * @param domain 域名
 * @return ip地址
 */
public static String getDomainAddress(final String domain) {
    InetAddress inetAddress;
    try {
        inetAddress = InetAddress.getByName(domain);
        return inetAddress.getHostAddress();
    } catch (UnknownHostException e) {
        e.printStackTrace();
        return null;
    }
}
 

import java.net.UnknownHostException; //导入方法依赖的package包/类
private static void initClient() {
    try {
        client = TransportClient.builder().settings(Settings.EMPTY).build()
                .addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName(IP), PORT));
    } catch (UnknownHostException e) {
        e.printStackTrace();
    }
}
 

import java.net.UnknownHostException; //导入方法依赖的package包/类
@Override
public void init()
{
                   
                   try{
                System.setProperty("java.net.preferIPv4Stack", "true");
                             ip = InetAddress.getLocalHost();
                ipadd = ip.getHostAddress();
          }catch (UnknownHostException e)
	{
	       e.printStackTrace();
	}
}
 

import java.net.UnknownHostException; //导入方法依赖的package包/类
public String getLocalHost() {
	// TODO Auto-generated method stub
	String addr="";
	try {
		addr= InetAddress.getLocalHost().getHostAddress();
	} catch (UnknownHostException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}
	return addr;
}
 

import java.net.UnknownHostException; //导入方法依赖的package包/类
public static InetAddress ipIntToInet4Address(int ip) {
    byte[] ipAddress = new byte[4];
    writeInt(ipAddress, 0, ip);
    try {
        return Inet4Address.getByAddress(ipAddress);
    } catch (UnknownHostException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        return null;
    }
}
 

import java.net.UnknownHostException; //导入方法依赖的package包/类
private static String detectIPAddress() {
	String ipAddress = null;
	try {
		if (InetAddress.getLocalHost().isAnyLocalAddress() || InetAddress.getLocalHost().isLoopbackAddress() || InetAddress.getLocalHost().isSiteLocalAddress()) {
			ipAddress = InetAddress.getLoopbackAddress().getHostAddress();
		} else {
			ipAddress = InetAddress.getLocalHost().getHostAddress();
		}
	} catch (final UnknownHostException e) {
		e.printStackTrace();
	}
	return ipAddress;
}
 

import java.net.UnknownHostException; //导入方法依赖的package包/类
@Override
public void init()
{
                   System.setProperty("java.net.preferIPv4Stack", "true");
                   try{
                ip = InetAddress.getLocalHost();
                ipadd = ip.getHostAddress();
          }catch (UnknownHostException e)
	{
	       e.printStackTrace();
	}
}