type Informe de Excepción
mensaje java.lang.NullPointerException
descripción El servidor encontró un error interno que hizo que no pudiera rellenar este requerimiento.
excepción
javax.servlet.ServletException: java.lang.NullPointerException org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:520) org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:427) org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913) org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449) javax.servlet.http.HttpServlet.service(HttpServlet.java:622) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1083) org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestProcessor.java:295) org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:396) org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:347) org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:232) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913) org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449) javax.servlet.http.HttpServlet.service(HttpServlet.java:622) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) org.displaytag.filter.ResponseOverrideFilter.doFilter(ResponseOverrideFilter.java:125)
causa raíz
java.lang.NullPointerException
nota La traza completa de la causa de este error se encuentra en los archivos de diario de Apache Tomcat/8.5.0.