关于HttpClient报错NoSuchFieldError occured : DEF_CONTENT_CHARSET

traineefly 2016-08-11 10:35:04



package utils;



import java.security.cert.CertificateException;  

import java.security.cert.X509Certificate;  



import javax.net.ssl.SSLContext;  

import javax.net.ssl.TrustManager;  

import javax.net.ssl.X509TrustManager;  



import org.apache.http.client.HttpClient;

import org.apache.http.conn.ClientConnectionManager;  

import org.apache.http.conn.scheme.Scheme;  

import org.apache.http.conn.scheme.SchemeRegistry;  

import org.apache.http.conn.ssl.SSLSocketFactory;  

import org.apache.http.impl.client.DefaultHttpClient;  



public class SSLClient extends DefaultHttpClient{  

    public SSLClient() throws Exception{  

        super();  

        SSLContext ctx = SSLContext.getInstance("TLS");  

        X509TrustManager tm = new X509TrustManager() { 

        		@Override

                public void checkClientTrusted(X509Certificate[] chain,  

                        String authType) throws CertificateException {  

                }  

        		@Override

                public void checkServerTrusted(X509Certificate[] chain,  

                        String authType) throws CertificateException {  

                }  

        		@Override

                public X509Certificate[] getAcceptedIssuers() {  

                    return null;  

                }  

        };  

        

        ctx.init(null, new TrustManager[]{tm}, null);  

        SSLSocketFactory ssf = new SSLSocketFactory(ctx,SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);

        //报错 NoSuchFieldError occured : DEF_CONTENT_CHARSET

        ClientConnectionManager ccm = this.getConnectionManager();  

        SchemeRegistry sr = ccm.getSchemeRegistry();  

        sr.register(new Scheme("https", 443, ssf));  

    }  

}