登录截面login.jsp运行时没问题，但是点击登录功能按钮后，却出现以下异常信息，请各位高手给指点一下，谢谢了！
HTTP Status 500 -
--------------------------------------------
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: Servlet execution threw an exception
com.stuman.util.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:89)
root cause
java.lang.NoClassDefFoundError: org/hibernate/HibernateException
java.lang.Class.getDeclaredConstructors0(Native Method)
java.lang.Class.privateGetDeclaredConstructors(Class.java:1618)
java.lang.Class.getConstructor0(Class.java:1930)
java.lang.Class.newInstance0(Class.java:278)
java.lang.Class.newInstance(Class.java:261)
org.apache.struts.util.RequestUtils.applicationInstance(RequestUtils.java:143)
org.apache.struts.action.RequestProcessor.processActionCreate(RequestProcessor.java:280)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:218)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1192)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:430)
javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
com.stuman.util.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:89)
note The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs.
------解决方案--------------------
java.lang.NoClassDefFoundError: org/hibernate/HibernateException
hibernate的包 正确放置了吗
------解决方案--------------------
同意楼上的。
代码迷推荐解决方案：The server encountered an internal error () that prevented it from fulfilling this request.,http://www.daimami.com/search?q=317