用resin时，“No tags”是什么错误！分必给！

[jsper]

[beyondii]

什么时候出现这个错误？

[jsper]

出现如下错误
500 Servlet Exception
java.lang.NullPointerException
at net.cnnic.registrar.RRPClientSession.initSSL(RRPClientSession.java:250)
at net.cnnic.registrar.RRPClientSession.<init>(RRPClientSession.java:50)
at _jsp._statusdomain__jsp._jspService(/statusdomain.jsp:9)
at com.caucho.jsp.JavaPage.service(JavaPage.java:87)
at com.caucho.jsp.JavaPage.subservice(JavaPage.java:81)
at com.caucho.jsp.Page.service(Page.java:407)
at com.caucho.server.http.Invocation.service(Invocation.java:290)
at com.caucho.server.http.CacheInvocation.service(CacheInvocation.java:121)
at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:238)
at com.caucho.server.http.HttpRequest.handleConnection(HttpRequest.java:157)
at com.caucho.server.TcpConnection.run(TcpConnection.java:140)
at java.lang.Thread.run(Thread.java:484)


--------------------------------------------------------------------------------
Resin 1.2.3 (built Thu Feb 15 11:31:58 PST 2001)