处置https访问时URL.openConnection()返回com.sun.net.ssl.HttpsURLConnection，各位大侠请帮忙看看-Java教程-爱易网页

处置https访问时URL.openConnection()返回com.sun.net.ssl.HttpsURLConnection，各位大侠请帮忙看看

日期：2014-05-17　浏览次数：20935 次

处理https访问时URL.openConnection()返回com.sun.net.ssl.HttpsURLConnection，各位大侠请帮忙看看
测试环境：
JDK 1.4_2 操作系统：win2000 应用服务器：WebSphere 5.1.0

生产环境
JKD 1.6_0_14 操作系统:linux 应用服务器：Jboss

发送https代码如下：

Java code


    public String postHttps(String urlString, String data, Logger logger) throws Exception {

        SSLContext sc = null;
        TrustManager[] trustAllCerts = new TrustManager[] { new javax.net.ssl.X509TrustManager() {
            public java.security.cert.X509Certificate[] getAcceptedIssuers() {
                return null;
            }

            public void checkClientTrusted(
                    java.security.cert.X509Certificate[] certs, String authType) {
            }

            public void checkServerTrusted(
                    java.security.cert.X509Certificate[] certs, String authType) {
            }
        } };
        
        try {
            sc = SSLContext.getInstance("SSL");
            sc.init(null, trustAllCerts, new java.security.SecureRandom());
            HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
        } catch (Exception e) {
        }
        
        HostnameVerifier hv = new HostnameVerifier() {
            public boolean verify(String urlHostName, SSLSession session) {
                return urlHostName.equals(session.getPeerHost());
            }
        };
        HttpsURLConnection.setDefaultHostnameVerifier(hv);

        OutputStreamWriter os = null;
        BufferedReader reader = null;
        StringBuffer sb = new StringBuffer();
        URL u = new URL(urlString);
        HttpsURLConnection conn = (HttpsURLConnection) u.openConnection();
        // conn.setRequestProperty("Content-Type", "text/xml");
        conn.setDoOutput(true);
        conn.setFollowRedirects(true);
        // conn.setReadTimeout(30000);
        os = new OutputStreamWriter(conn.getOutputStream());
        os.write(data);
        os.flush();
        os.close();

        return null;

    }

在测试环境是可以正常的发送到指定的https地址上，而在生产环境上访问时会抛出以下错误：
java.lang.ClassCastException:com.sun.net.ssl.internal.www.protocol.https.HttpsURLConnectionOLDImpl cannot be case to javax.net.ssl.HttpsURLConnection.

是在 HttpsURLConnection conn = (HttpsURLConnection) u.openConnection(); 处抛出。

之后用一下页面测试了下：

Java code


<%@ page language="java" contentType="text/html; charset=GBK" pageEncoding="GBK"%>
<%@ page import="java.net.*" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GBK">
<title>测试Https</title>
</head>
<body>
<%
    out.print("默认：<br/>");
    URL aURL = new URL("https://www.verisign.com");
    
    URLConnection urlConn = aURL.openConnection();
    if (urlConn instanceof com.sun.net.ssl.HttpsURLConnection) {
        out.print("*** openConnection returns an instanceof com.sun.net.ssl.HttpsURLConnection<br/>");
    }

    if (urlConn instanceof javax.net.ssl.HttpsURLConnection) {
        out.print("*** openConnection returns an instanceof javax.net.ssl.HttpsURLConnection<br/>");
    }
    if (urlConn instanceof HttpURLConnection) {
        out.print("*** openConnection returns an instnace of HttpURLConnection<br/>");
    }

%>
</body>
</html>

免责声明： 本文仅代表作者个人观点，与爱易网无关。其原创性以及文中陈述文字和内容未经本站证实，对本文以及其中全部或者部分内容、文字的真实性、完整性、及时性本站不作任何保证或承诺，请读者仅作参考，并请自行核实相关内容。

处置https访问时URL.openConnection()返回com.sun.net.ssl.HttpsURLConnection，各位大侠请帮忙看看

相关资料更多>

推荐阅读更多>