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我们正在 Cisco DevNet 网站上试用示例应用程序，该应用程序演示了如何创建 Extension Mobility Web 服务消费者客户端。我们已按照说明将证书导入密钥库，但仍然无法正常工作。

这是示例的链接： https ://developer.cisco.com/site/extension-mobility/learn/sample-apps/index.gsp

这是错误消息：

Exception in thread "main" javax.net.ssl.SSLHandshakeException: java.security.cert.CertificateException: No subject alternative names present

当我使用不安全的连接进行测试时，使用 URL 作为

http:/<x.x.x.x>/:8080/emservice/EMServiceServlet

它显示 500 错误消息：

java.lang.NullPointerException
java.lang.String.<init>(String.java:147)
com.cisco.emservice.EMServiceServlet.processRequest(EMServiceServlet.java:204)
com.cisco.emservice.EMServiceServlet.doPost(EMServiceServlet.java:451)
com.cisco.emservice.EMServiceServlet.doGet(EMServiceServlet.java:385)
javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:597)
org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:274)
org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:271)
java.security.AccessController.doPrivileged(Native Method)
javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:306)
org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:166)

这是我的代码：

public class Workplace {
public static void main(String[] args) throws Exception {

    URL url = new URL("https://192.168.10.11:8443/emservice/EMServiceServlet");
    URLConnection conn = url.openConnection();
    conn.setDoOutput(true);
    conn.setRequestProperty("Content-Type","application/x-www-form-urlencoded");

    String EMRequest = "<request><appinfo><appid>operator</appid><appcertificate>operator</appcertificate></appinfo>";
    EMRequest += "<login><devicename>SEP000000000001</devicename><userid>user01</userid><deviceprofile>EM-USER01/deviceprofile>";
    EMRequest += "<exclusiveduration><time>60</time></exclusiveduration></login></request>";
    //URL encode/escape the request
    EMRequest = URLEncoder.encode(EMRequest,"UTF-8");
    //Build the complete HTTP form request body
    EMRequest = "xml="+EMRequest;

    //Create an OutputStreamWriter for the URLConnection object and make the request
    OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream());
    writer.write(EMRequest);
    writer.flush();

    //Read the response
    BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));

    //Output the response to the console
    String line;
    while ((line = reader.readLine()) != null) {
    System.out.println(line);
    }

    //Cleanup the stream objects
    writer.close();
    reader.close();
    }
}

这个问题有什么解决办法吗？谢谢...

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