Unexpected error: java.security.InvalidAlgorithmParameterException: the

httpClient访问webservice 异常the trustAnchors parameter must be non-empty
Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty

代码如下：
if (postUrlString.startsWith("https:")) { 
  System.setProperty("javax.net.ssl.keyStore","D:\\certi\\server.ks");
  System.setProperty("javax.net.ssl.keyStorePassword","accident");
  System.setProperty("javax.net.ssl.trustStore",path); 
  System.setProperty("javax.net.ssl.trustStorePassword",password); 
  } 


------解决方案--------------------
trustAnchors参数必须非空，你看一下你哪个参数是空的。
------解决方案--------------------
不知道说什么