HTTP Status 500 - java.lang.NullPointerException


type Exception report

message java.lang.NullPointerException

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

exception

javax.servlet.ServletException: java.lang.NullPointerException
	org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:535)
	org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:433)
	org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
	com.mingxing.filter.UserFilter.doFilter(UserFilter.java:60)
	com.mingxing.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:21)

root cause

java.lang.NullPointerException
	com.mingxing.struts.action.CpzsxzxAction.show_downloadInfo(CpzsxzxAction.java:181)
	sun.reflect.GeneratedMethodAccessor254.invoke(Unknown Source)
	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	java.lang.reflect.Method.invoke(Method.java:597)
	org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:270)
	org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)
	org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
	org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
	com.mingxing.filter.UserFilter.doFilter(UserFilter.java:60)
	com.mingxing.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:21)

note The full stack trace of the root cause is available in the Apache Tomcat/6.0.37 logs.


Apache Tomcat/6.0.37