麻烦高手给看看..
exception
javax.servlet.ServletException: Servlet execution threw an exception
root cause
java.lang.NoClassDefFoundError: javax/resource/cci/ResultSet
method.Create.doPost(Create.java:55)
javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
55行的代码是StudentD st = new StudentD() ;
56行是st.insertIntoS(student) ;
studentD是一个DAO,方法调用来进行数据库操作,就提出了上面的异常,,麻烦高手给指点一下.. 

不清楚，能具体点么