HTTP Status 500 -

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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.hw.system.util.SetEncodeFilter.doFilter(SetEncodeFilter.java:59)

root cause

java.lang.NoClassDefFoundError: net/sf/hibernate/Session

com.hw.hwkhgl.dao.LoginDAO.login(LoginDAO.java:51)

com.hw.hwkhgl.action.loginAction.login(loginAction.java:36)

com.hw.hwkhgl.action.loginAction.execute(loginAction.java:26)

org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)

org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)

org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)

org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)

javax.servlet.http.HttpServlet.service(HttpServlet.java:709)

javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

com.hw.system.util.SetEncodeFilter.doFilter(SetEncodeFilter.java:59)

note The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs.

我用的包是hibernate2,在登陆类loginDAO中引用的是net.sf.hibernate.Session.之前编写的测试类对数据库操作都没问题.为什么这个地方会和、报错找不到类呢?还有后台没有任何错误信息.