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I cannot do Data Listing. You are giving "Error Processing request", Servlet Path:/pages/data.jsp Path Info:null Query String:null... I don’t know what it is. Thank you for any help. OBS.: I’m starting with the back-end, my beach is front...
Java medicine.
public HashSet<Medico> listarMedicos() throws Exception {
Connection conn = ClickConnection.getInstance().conectarBD();
HashSet<Medico> listMedico = new HashSet<Medico>();
try {
// Criando a String SQL
String sql = "select * from medico order by id_medico asc";
// Criar o PreparedStatement, objeto para executar a query
PreparedStatement preStatement = conn.prepareStatement(sql);
ResultSet resultSet = preStatement.executeQuery();
// Verifica se retornou dados na consulta
while (resultSet.next()) {
int codigo = resultSet.getInt(1);
String CBO = resultSet.getString(2);
String CPF = resultSet.getString(3);
String UF = resultSet.getString(4);
String cidade = resultSet.getString(5);
String conselho = resultSet.getString(6);
String email = resultSet.getString(7);
String nome = resultSet.getString(8);
String numeroConselho = resultSet.getString(9);
String senha = resultSet.getString(10);
String sexo = resultSet.getString(11);
String sobre = resultSet.getString(12);
String telCelular = resultSet.getString(13);
String telResidencial = resultSet.getString(14);
Medico medico = new Medico(codigo, nome, sexo, CPF, email, CBO, conselho, numeroConselho, senha, UF, cidade, telResidencial, telCelular, sobre);
listMedico.add(medico);
System.out.println("\nMédico no Banco de Dados:");
System.out.println(medico.toStringBasica());
}
return listMedico;
} catch (Exception e) {
System.out.println("Erro: "+e.getMessage());
}
System.out.println("\nNão Existe Médico no Banco de Dados!");
return null;
}
Servletmedico.java
package com.leefgoedcode.clicksaude.servlets;
import java.io.IOException;
import java.io.PrintWriter;
import javax.annotation.Resource;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.servlet.RequestDispatcher;
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 javax.transaction.HeuristicMixedException;
import javax.transaction.HeuristicRollbackException;
import javax.transaction.NotSupportedException;
import javax.transaction.RollbackException;
import javax.transaction.SystemException;
import javax.transaction.UserTransaction;
import com.leefgoedcode.clicksaude.entidades.Medico;
@WebServlet("/ServletMedico")
public class ServletMedico extends HttpServlet {
private static final long serialVersionUID = 1L;
@PersistenceContext
private EntityManager em;
@Resource
private UserTransaction ut;
public ServletMedico() {
super();
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html");
response.setCharacterEncoding("utf-8");
String nome = request.getParameter("nome");
String sexo = request.getParameter("sexo");
String CPF = request.getParameter("cpf");
String email = request.getParameter("email");
String CBO = request.getParameter("cbo");
String conselho = request.getParameter("conselho");
String numeroConselho = request.getParameter("numerodoconselho");
String senha = request.getParameter("senha");
String UF = request.getParameter("uf");
String cidade = request.getParameter("cidade");
String telResidencial = request.getParameter("telResidencial");
String telCelular = request.getParameter("telCelular");
String sobre = request.getParameter("sobre");
Medico medico = new Medico();
medico.setNome(nome);
medico.setSexo(sexo);
medico.setCPF(CPF);
medico.setEmail(email);
medico.setCBO(CBO);
medico.setConselho(conselho);
medico.setNumeroConselho(numeroConselho);
medico.setSenha(senha);
medico.setUF(UF);
medico.setCidade(cidade);
medico.setTelResidencial(telResidencial);
medico.setTelCelular(telCelular);
medico.setSobre(sobre);
try {
ut.begin();
//Inserir DADOS no Banco
em.persist(medico);
ut.commit();
} catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (NotSupportedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SystemException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (RollbackException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (HeuristicMixedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (HeuristicRollbackException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
PrintWriter out = response.getWriter();
RequestDispatcher dispatcher = request.getRequestDispatcher("/pages/dados.jsp");
request.setAttribute("lista", out);
dispatcher.forward(request, response);
}
jsp data.
<%@page import="java.util.ArrayList"%>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<meta charset="utf-8">
<link rel="shortcut icon" href="favicon.ico">
<title>Médicos Cadastrados</title>
</head>
<body>
<nav class="navbar navbar-dark navbar-expand-lg">
<!-- Navbar content -->
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarTogglerDemo01" aria-controls="navbarTogglerDemo01" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarTogglerDemo01">
<a class="navbar-brand" href="../index.jsp"><img src="./imgs/logo2.png"></a>
<ul class="navbar-nav mr-auto mt-2 mt-lg-0">
<li class="nav-item active">
<a class="nav-link" href="./index.jsp">Página Inicial <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Ajuda</a>
</li>
</ul>
</div>
</nav>
<br>
<div class="container-fluid">
<div class="row">
<div class="col-12">
<div class="float-left cad-button">
<a href="./pages/cadastros/cad_medico.jsp"><button id="btn-cadastrar-medico" type="button" class="btn btn-primary">Cadastrar Médico</button></a>
</div>
<div class="table-responsive">
<table class="table table-bordered table-hover">
<thead class="thead-light">
<tr>
<th class="text-center" scope="col">ID</th>
<th scope="col">Nome Completo</th>
<th scope="col">E-mail</th>
<th scope="col">CBO</th>
<th scope="col">Conselho</th>
<th scope="col">Número do Celular</th>
</tr>
</thead>
<tbody>
<%
MedicoDAO dao = new MedicoDAO();
HashSet<Medico> listaMedicos = dao.listarMedicos();
for(Medico medico : listaMedicos){
%>
<tr>
<th class="text-center" scope="row">1</th>
<td></td>
<td class="text-center"><%=medico.getId_medico()%></td>
<td><%=medico.getNome()%></td>
<td><%=medico.getEmail()%></td>
<td><%=medico.getConselho()%></td>
<td><%=medico.getNumeroConselho()%></td>
<td><%=medico.getTelCelular()%></td>
</tr>
<%
}//for
%>
</tbody>
</table>
</div>
</div>
</div>
</div>
</body>
</html>
puts the error better
– Henrique Santiago