PKIX path building failed的解决方法（绕过ssl证书认证）

HTTPS连接时出现PKIX path building failed问题 浏览器进行访问连接可以，但是通过java进行访问会出现ssl验证不通过问题 解决方法 1.绕过ssl验证 2.进行ssl验证通过 下面讲述绕过验证的方法

下面方法可直接进行调用(需要改一下类的路径) 执行http/https 访问前需要先执行ignoreSsl()方法就可以直接绕过ssl验证

package com.common.file;


import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

/**
 * 通过java 进行访问有时候会有证书进行拦截
 * @author VULCAN
 *
 */
public class SkipCertificateValidation {
	/** 
	 * 忽略HTTPS请求的SSL证书，必须在openConnection之前调用 
	 * @throws Exception 
	 */  
	public static void ignoreSsl() throws Exception{  
	    HostnameVerifier hv = new HostnameVerifier() {  
	        public boolean verify(String urlHostName, SSLSession session) {  
	            System.out.println("Warning: URL Host: " + urlHostName + " vs. " + session.getPeerHost());  
	            return true;  
	        }  
	    };  
	    trustAllHttpsCertificates();  
	    HttpsURLConnection.setDefaultHostnameVerifier(hv);  
	}  
	
	
	
	private static void trustAllHttpsCertificates() throws Exception {  
	    TrustManager[] trustAllCerts = new TrustManager[1];  
	    TrustManager tm = new miTM();  
	    trustAllCerts[0] = tm;  
	    SSLContext sc = SSLContext.getInstance("SSL");  
	    sc.init(null, trustAllCerts, null);  
	    HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());  
	}  
	  
	static class miTM implements TrustManager,X509TrustManager {  
	    public X509Certificate[] getAcceptedIssuers() {  
	        return null;  
	    }  
	  
	    public boolean isServerTrusted(X509Certificate[] certs) {  
	        return true;  
	    }  
	  
	    public boolean isClientTrusted(X509Certificate[] certs) {  
	        return true;  
	    }  
	  
	    public void checkServerTrusted(X509Certificate[] certs, String authType)  
	            throws CertificateException {  
	        return;  
	    }  
	  
	    public void checkClientTrusted(X509Certificate[] certs, String authType)  
	            throws CertificateException {  
	        return;  
	    }  
	}  
	   
}