解决证书信任问题：unable to find valid certification path to requested target

Dear 丶 2022-11-26 07:52 355阅读 0赞

简单粗暴，直接上代码。把下面这一段复制到你的代码中：

  1. HostnameVerifier hv = new HostnameVerifier() {  
  2.         public boolean verify(String urlHostName, SSLSession session) {  
  3.             System.out.println("Warning: URL Host: " + urlHostName + " vs. "  
  4.                                + session.getPeerHost());  
  5.             return true;  
  6.         }  
  7.     };  
  9.     private static void trustAllHttpsCertificates() throws Exception {  
  10.         javax.net.ssl.TrustManager[] trustAllCerts = new javax.net.ssl.TrustManager[1];  
  11.         javax.net.ssl.TrustManager tm = new miTM();  
  12.         trustAllCerts[0] = tm;  
  13.         javax.net.ssl.SSLContext sc = javax.net.ssl.SSLContext  
  14.                 .getInstance("SSL");  
  15.         sc.init(null, trustAllCerts, null);  
  16.         javax.net.ssl.HttpsURLConnection.setDefaultSSLSocketFactory(sc  
  17.                 .getSocketFactory());  
  18.     }  
  20.     static class miTM implements javax.net.ssl.TrustManager,  
  21.             javax.net.ssl.X509TrustManager {  
  22.         public java.security.cert.X509Certificate[] getAcceptedIssuers() {  
  23.             return null;  
  24.         }  
  26.         public boolean isServerTrusted(  
  27.                 java.security.cert.X509Certificate[] certs) {  
  28.             return true;  
  29.         }  
  31.         public boolean isClientTrusted(  
  32.                 java.security.cert.X509Certificate[] certs) {  
  33.             return true;  
  34.         }  
  36.         public void checkServerTrusted(  
  37.                 java.security.cert.X509Certificate[] certs, String authType)  
  38.                 throws java.security.cert.CertificateException {  
  39.             return;  
  40.         }  
  42.         public void checkClientTrusted(  
  43.                 java.security.cert.X509Certificate[] certs, String authType)  
  44.                 throws java.security.cert.CertificateException {  
  45.             return;  
  46.         }  
  47.     }

然后，在发起请求前，再加上这两行代码：

  1. trustAllHttpsCertificates();  
  2. HttpsURLConnection.setDefaultHostnameVerifier(hv);

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