HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception org.apache.jasper.JasperException: An exception occurred processing JSP page /index.jsp at line 9 6: 7: <%@page import="org.dst.utils.Constants"%> 8: <%@page contentType="text/html" pageEncoding="UTF-8"%> 9: <jsp:include flush="false" page="header.jsp"></jsp:include> 10: <!--<div id="container"> 11: <div class="row"> 12: <div class="hero-unit"> Stacktrace: org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:553) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:442) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) root cause org.apache.jasper.JasperException: An exception occurred processing JSP page /header.jsp at line 23 20: <jsp:forward page="login.html"></jsp:forward> 21: <% } 22: 23: if (Constants.authenticate(username, password) != true) { 24: response.sendRedirect("login.html"); 25: } else { 26: session.setAttribute(Constants.username, username); Stacktrace: org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:553) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:457) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:927) org.apache.jsp.index_jsp._jspService(index_jsp.java:59) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) root cause java.lang.NullPointerException org.dst.utils.Constants.authenticate(Constants.java:49) org.apache.jsp.header_jsp._jspService(header_jsp.java:78) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:927) org.apache.jsp.index_jsp._jspService(index_jsp.java:59) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) note The full stack trace of the root cause is available in the Apache Tomcat/7.0.14 logs.
org.dst.utils.Constants.authenticate(Constants.java:49)
Costants.java
java.lang.NullPointer
var
This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)