我用JSP调用javabean,刷新14次就刷出异常
我用JSP调用javabean.     javabean是查询数据库然后将结果返回给jsp页面.但是只要我点击刷新按钮14次(每次都是14次)就会引发异常.   现在请教各位大侠了.
########################################################################
type   Exception   report

message  

description   The   server   encountered   an   internal   error   ()   that   prevented   it   from   fulfilling   this   request.

exception  

javax.servlet.ServletException:   javax.servlet.jsp.JspException:   null
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:821)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:758)
org.apache.jsp.user.yen.index_jsp._jspService(index_jsp.java:168)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


root   cause  

java.lang.reflect.InvocationTargetException
sun.reflect.GeneratedMethodAccessor61.invoke(Unknown   Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:597)
org.apache.taglibs.standard.tag.common.core.SetSupport.doEndTag(Unknown   Source)
org.apache.jsp.user.yen.index_jsp._jspx_meth_c_set_0(index_jsp.java:217)
org.apache.jsp.user.yen.index_jsp._jspService(index_jsp.java:121)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)




------解决方案--------------------
这是你的javabean问题，是不是其中链接数据库了
------解决方案--------------------
不了解具体情况，是不是有分页类似情况引发的
我的异常网推荐解决方案：The server encountered an internal error () that prevented it from fulfilling this request.,http://www.aiyiweb.com/java-web/317.html