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:523) org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421) org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194) org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) javax.servlet.http.HttpServlet.service(HttpServlet.java:624) javax.servlet.http.HttpServlet.service(HttpServlet.java:731) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) alcana.util.DisableUrlSessionFilter.doFilter(DisableUrlSessionFilter.java:69)
root cause
java.lang.NullPointerException
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.75 logs.