GRAVE [http-nio-8080-exec-2] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service()l
Publicado por Augusto (7 intervenciones) el 24/03/2020 16:18:33
Ejecuta crea el mapeo en la base de datos pero lo que carga es null.
al final del código dejare una captura del error mientras les muestro el codigo y configuracion del xampp (solo instale el mysql y apache del xampp ) , apache tomcat aparte
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Código
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ControladorPersistencia
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ServletPersona
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ControladorPersistencia
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persistence.xml
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indexjsp
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configuracion de servidor apache
httpd.conf
#Listen 12.34.56.78:81
Listen 81
ServerName localhost:81
main port 81
ssl port 443
==========================================
mysql
main port 3306
*==========================================
Apache tomcat netbeans
Servers apache tomcat
username usuario
password contraseña
server port 8080
shutdown port 8005
catalina home
tomcat-users.xml
<role rolename="manager-gui"/>
<user password="contraseña" role="manager-gui" roles="manager-script,admin"
username="usuario"/>
catalina base
<role rolename="manager-gui"/>
<user password="contraseña" role="manager-gui" roles="manager-script,admin"
username="usuario"/>
*==========================================**
El error en cuestion
al final del código dejare una captura del error mientras les muestro el codigo y configuracion del xampp (solo instale el mysql y apache del xampp ) , apache tomcat aparte
==========================================
Código
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package Logica;
import java.io.Serializable;
import javax.persistence.Basic;
import javax.persistence.Entity;
import javax.persistence.Id;
/** *@author l2k49 */@Entity
public class persona implements Serializable{@Id
private int dni;
@Basic
private String nombre;
public persona() {
}public persona(int dni, String nombre) {
this.dni = dni;
this.nombre = nombre;
}public int getDni() {
return dni;
}public void setDni(int dni) {
this.dni = dni;
}public String getNombre() {
return nombre;
}public void setNombre(String nombre) {
this.nombre = nombre;
}}==========================================
ControladorPersistencia
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public class ControladorPersistencia { personaJpaController persJPA=new personaJpaController();
public void crearPersona(persona p){
try {persJPA.create(p);
} catch (Exception ex) {
Logger.getLogger(ControladorPersistencia.class.getName()).log(Level.SEVERE, null, ex);
}}}==========================================
ServletPersona
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package Servlet;
import Logica.persona; import Persistencia.ControladorPersistencia; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse;
/** *@author l2k49 */ @WebServlet(name = "ServletPersona", urlPatterns = {"/ServletPersona"}) public class ServletPersona extends HttpServlet {
protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=UTF-8"); try (PrintWriter out = response.getWriter()) {
}} @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); /* ControladorPersistencia controlp=new ControladorPersistencia(); int dni =Integer.parseInt(request.getParameter("numerodocumento")); String nombre=request.getParameter("nombrespersona"); persona pers=new persona(dni,nombre); controlp.crearPersona(pers);*/ ControladorPersistencia controlp=new ControladorPersistencia(); persona pers=new persona(); pers.setDni(Integer.parseInt(request.getParameter("numerodocumento")));
pers.setNombre(request.getParameter("nombrespersona"));
controlp.crearPersona(pers);
}@Override public String getServletInfo() { return "Short description"; }//
}==========================================
ControladorPersistencia
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package Persistencia;
import Logica.casa; import Logica.persona; import java.util.logging.Level; import java.util.logging.Logger; /** *
@author l2k49 */ public class ControladorPersistencia { personaJpaController persJPA=new personaJpaController();
public void crearPersona(persona p){ try { persJPA.create(p); } catch (Exception ex) { Logger.getLogger(ControladorPersistencia.class.getName()).log(Level.SEVERE, null, ex); } }
}==========================================
persistence.xml
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indexjsp
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<h1>Las Personas Tienen Casas :O</h1><br>
<form action="ServletPersona" method="POST"><br>
dni:<input type="text" name="numerodocumento"><br>
nombre:<input type="text" name="nombrespersona"><br>
<input type="submit" >
</form>
==========================================
configuracion de servidor apache
httpd.conf
#Listen 12.34.56.78:81
Listen 81
ServerName localhost:81
main port 81
ssl port 443
==========================================
mysql
main port 3306
*==========================================
Apache tomcat netbeans
Servers apache tomcat
username usuario
password contraseña
server port 8080
shutdown port 8005
catalina home
tomcat-users.xml
<role rolename="manager-gui"/>
<user password="contraseña" role="manager-gui" roles="manager-script,admin"
username="usuario"/>
catalina base
<role rolename="manager-gui"/>
<user password="contraseña" role="manager-gui" roles="manager-script,admin"
username="usuario"/>
*==========================================**
El error en cuestion
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