jdk1.6，證書：SHA256+TLSv1.2
使用Java訪問https://**************** 接口 ??? 控制臺提示握手失敗錯誤；javax.net.ssl.SSLHandshakeException:?Received?fatal?alert:?handshake_failure
???? 解決辦法：????
1.jdk版本問題，換用jdk1.7；
2.如不能更換jdk版本，引入 bcprov-jdk15on-157.jar 此jar包對jdk1.5-1.8都可支持； public static String httpsRequsetForTLSv12(String host, String url) throws Exception {java.security.SecureRandom secureRandom = new java.security.SecureRandom();Socket socket = new Socket(java.net.InetAddress.getByName(host), 443);TlsClientProtocol protocol = new TlsClientProtocol(socket.getInputStream(), socket.getOutputStream(),secureRandom);DefaultTlsClient client = new DefaultTlsClient() {public TlsAuthentication getAuthentication() throws IOException {TlsAuthentication auth = new TlsAuthentication() {public void notifyServerCertificate(org.bouncycastle.crypto.tls.Certificate serverCertificate) throws IOException {}public TlsCredentials getClientCredentials(CertificateRequest certificateRequest) throws IOException {return null;}};return auth;}};protocol.connect(client);java.io.OutputStream output = protocol.getOutputStream();output.write(("GET "+url+" HTTP/1.1\r\n").getBytes("UTF-8"));output.write(("Host: "+host+"\r\n").getBytes("UTF-8"));output.write("Connection: close\r\n".getBytes("UTF-8")); output.write("\r\n".getBytes("UTF-8")); output.flush();java.io.InputStream input = protocol.getInputStream();BufferedReader reader = new BufferedReader(new InputStreamReader(input, "UTF-8"));String line;String result = null;while ((line = reader.readLine()) != null){result = line;//System.out.println(line);}return result;}

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