Olá estou iniciando os estudos em java web, estou tentando processar minha página cliente.jsp e o java está me gerando um nullPointer exception porém não estou conseguindo resolver , sou novo aqui, desde já agradeço a atenção de todos …
type Exception report
message An exception occurred processing JSP page /cliente.jsp at line 18
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 /cliente.jsp at line 18
15:
16: <%
17: List<Cliente> lista = (List<Cliente>)request.getAttribute("lista");
18: for(Cliente c: lista){
19:
20: out.print(c.getEmail()+ "</br>");
21: }
Stacktrace: org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:574) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:476) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
root cause java.lang.NullPointerException org.apache.jsp.cliente_jsp._jspService(cliente_jsp.java:130) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:438) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
note The full stack trace of the root cause is available in the Apache Tomcat/8.0.36 logs.