Java SSLSocket:PKIX路径构建失败

时间:2012-11-22 02:15:37

标签: java sockets ssl

我想使用SSL连接连接到我们的大学服务器。

我在配置文件夹中有以下文件:
- client.policy
- uni_keystore.jks
- uni_server.cer
- uni_truststore.jks

client.policy文件包含以下内容:

grant { 
  permission java.security.AllPermission ;
};

建立了与服务器的连接,但是当我尝试从服务器读取时,我得到了异常:

javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: 
  PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException:
  unable to find valid certification path to requested target

这就是我连接服务器的方式(我修剪了try / catch块来缩短代码):

Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());
SSLSocketFactory factory = (SSLSocketFactory)SSLSocketFactory.getDefault();

String configPath = "C:/eclipse/workspace/uniproject/";

Properties systemProps = System.getProperties();
systemProps.put( "javax.net.ssl.trustStore", configPath+"uni_truststore.jks");
systemProps.put( "javax.net.ssl.keyStore", configPath+"uni_keystore.jks");
System.setProperties(systemProps);

s = (SSLSocket) factory.createSocket(UNI_ADDRESS, UNI_PORT);

我通过VPN连接到服务器。

这就是我尝试阅读的方式(我修剪了try / catch块来缩短代码):

InputStream istream = s.getInputStream();
BufferedReader reader = new BufferedReader( new InputStreamReader(istream) );

String data;
do {
    // this lines throws exception
    data = reader.readLine();
    System.out.println(data);
}
while(data != null);

我没有对代码中的client.policy和uni_server.cer文件做任何事情。这可能是问题吗?我错过了什么?

感谢。


另外两件事:

- 我安装了认证(在这篇文章之前,我还没有) - 我添加了一行:

systemProps.put( "javax.net.ssl.keyStorePassword", "pass");

1 个答案:

答案 0 :(得分:2)

尝试重新排序您的通话,如下所示:

String configPath = "C:/eclipse/workspace/uniproject/";
Properties systemProps = System.getProperties();
systemProps.put( "javax.net.ssl.trustStore", configPath+"uni_truststore.jks");
systemProps.put( "javax.net.ssl.keyStore", configPath+"uni_keystore.jks");
System.setProperties(systemProps);

Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());
SSLSocketFactory factory = (SSLSocketFactory)SSLSocketFactory.getDefault();
s = (SSLSocket) factory.createSocket(UNI_ADDRESS, UNI_PORT);