Erro no <form action="cadastrarAluno"> elemento não encontrado

Pessoal, bom dia.

Criei um JSP chamado aluno-cadastrar.jsp, o problema está no com erro de elemento não encontrado.

Como faço para corrigir este erro?

>     <%@ page language="java" contentType="text/html; charset=ISO-8859-1"
>     	pageEncoding="ISO-8859-1"%>
>     <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
>     <html>
>     <head>
>     <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
>     <title>Insert title here</title>
>     </head>
>     <body>
>     	<form action="cadastrarAluno">
>     		<table>
>     			<tr>
>     				<td>Nome:</td> <td><input type="text" name="nome" /><br /></td>
>     			
>     			<tr>
>     				<td>Registro:</td> <td><input type="text" name="registro" /> <br /></td>
>     			</tr>
>     			<tr>
>     				<td>E-Mail:</td> <td><input type="text" name="email" /><br /></td>
>     			</tr>
>     			<tr>
>     				<td>Endereço:</td> <td><input type="text" name="endereco" /><br /></td>
>     			</tr>
>     			<tr>
>     				<td>Data Inscriçao:</td> <td><input type="text" name="dataInscricao" /><br /></td>
>     			</tr>
>     		</table>
>     		<input type="submit" value="Gravar" />
>     	</form>

>     </body>
>     </html>

Pessoal, alguém pode me ajudar com o erro acima?
O atributo action está apontado em um Servlet.

Código JSP:

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
	pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
 	<c:import url="cabecalho.jsp" />
	<form action="cadastrarAluno" method="post">  
		<table>
			<tr>
				<td>Nome:</td>
				<td><input type="text" name="nome" /><br /></td>
			</tr>
			<tr>
				<td>Registro:</td>
				<td><input type="text" name="registro" /> <br /></td>
			</tr>
			<tr>
				<td>E-Mail:</td>
				<td><input type="text" name="email" /><br /></td>
			</tr>
			<tr>
				<td>Endereço:</td>
				<td><input type="text" name="endereco" /><br /></td>
			</tr>
			<tr>
				<td>Data Inscriçao:</td>
				<td><input type="text" name="dataInscricao" /><br /></td>
			</tr>
		</table>
		<input type="submit" value="Gravar" />
	</form>
	<c:import url="rodape.jsp" />
</body>
</html>

Servlet:
package br.com.vroncato.servlets;

import java.io.IOException;
import java.io.PrintWriter;
import java.time.DateTimeException;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import br.com.vroncato.Aluno;
import br.com.vroncato.AlunoDao;

/**
 * Servlet implementation class AlunoCadastrarServlets
 */
@WebServlet("/cadastrarAluno")
public class AlunoCadastrarServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;



	/**
	 * @see HttpServlet#HttpServlet()
	 */
    public AlunoCadastrarServlet() {
        super();

        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		response.getWriter().append("Served at: ").append(request.getContextPath());
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

		PrintWriter out = response.getWriter();

		String nome = request.getParameter("nome");
		String registro = request.getParameter("registro");
		String email = request.getParameter("email");
		String endereco = request.getParameter("endereco");
		String dataInscricao = request.getParameter("dataInscricao");
		LocalDate data = null;
		try {
			data = LocalDate.parse(dataInscricao, DateTimeFormatter.ofPattern("dd/MM/yyyy"));
		} catch (DateTimeException ex) {
			out.println("Data inválida: " + dataInscricao + ". O formato esperado é dd/MM/yyyy.");
			return;
		}

		Aluno aluno = new Aluno();
		aluno.setNome(nome);
		aluno.setRegistro(registro);
		aluno.setEmail(email);
		aluno.setEndereco(endereco);
		aluno.setDataInscricao(data);

		new AlunoDao().salva(aluno);
		out.println("<html>");
		out.println("<body>");
		out.println("Aluno (a) " + aluno.getNome() + " foi cadastrado (a) com sucesso!");
		out.println("</body>");
		out.println("</html>");

		doGet(request, response);

	}

}

Web.xml:

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns="http://xmlns.jcp.org/xml/ns/javaee"
	xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
	id="WebApp_ID" metadata-complete="true" version="3.1">
	<display-name>projetoteste</display-name>
	<welcome-file-list>
		<welcome-file>index.html</welcome-file>
		<welcome-file>index.htm</welcome-file>
		<welcome-file>index.jsp</welcome-file>
		<welcome-file>default.html</welcome-file>
		<welcome-file>default.htm</welcome-file>
		<welcome-file>default.jsp</welcome-file>
	</welcome-file-list>
	<servlet>
		<servlet-name>AlunoCadastrarServlet</servlet-name>
		<servlet-class>br.com.vroncato.servlets.AlunoCadastrarServlet</servlet-class>
	</servlet>
	<servlet-mapping>
		<servlet-name>AlunoCadastrarServlet</servlet-name>
		<url-pattern>/cadastrarAluno</url-pattern>
	</servlet-mapping>
	<error-page>
		<exception-type>java.lang.Exception</exception-type>
		<location>/erro.html</location>
	</error-page>
	<error-page>
		<exception-type>404</exception-type>
		<location>/pagina-nao-encontrada.html</location>
	</error-page>
</web-app>

Este é o erro onde não encontra o action:
nov 07, 2017 10:35:45 AM org.apache.catalina.core.StandardWrapperValve invoke
GRAVE: Servlet.service() for servlet [jsp] in context with path [/projetoteste] threw exception [An exception occurred processing [/aluno-cadastrar.jsp] at line [12]

</head>
<body>
<c:import url="cabecalho.jsp" />
<form action="cadastrarAluno" method="post">  
<table>
<tr>
<td>Nome:</td>

6 Respostas

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