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Forum locked This topic is locked, you cannot edit posts or make further replies.  [ 3 posts ] 
Author Message
 Post subject: Problem hubernate and Servlet
PostPosted: Tue Nov 16, 2010 12:10 pm 
Newbie

Joined: Tue Nov 16, 2010 12:02 pm
Posts: 5
Hello everybody ! :)

I'm trying to create a table in mysql but when i call the servlet this is the result :

Code:
type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.


javax.servlet.ServletException: Error instantiating servlet class ServletAlta
   org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
   org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
   org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
   org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
   org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
   java.lang.Thread.run(Thread.java:662)


root cause

java.lang.NoClassDefFoundError: org/hibernate/Session
   java.lang.Class.getDeclaredConstructors0(Native Method)
   java.lang.Class.privateGetDeclaredConstructors(Class.java:2389)
   java.lang.Class.getConstructor0(Class.java:2699)
   java.lang.Class.newInstance0(Class.java:326)
   java.lang.Class.newInstance(Class.java:308)
   org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
   org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
   org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
   org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
   org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
   java.lang.Thread.run(Thread.java:662)


root cause

java.lang.ClassNotFoundException: org.hibernate.Session
   org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387)
   org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
   java.lang.Class.getDeclaredConstructors0(Native Method)
   java.lang.Class.privateGetDeclaredConstructors(Class.java:2389)
   java.lang.Class.getConstructor0(Class.java:2699)
   java.lang.Class.newInstance0(Class.java:326)
   java.lang.Class.newInstance(Class.java:308)
   org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
   org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
   org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
   org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
   org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
   java.lang.Thread.run(Thread.java:662)



The servlet is :
Code:

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import model.Usuario;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;

/**
* Servlet implementation class for Servlet: ServletAlta
*
*/
public class ServletAlta extends javax.servlet.http.HttpServlet implements javax.servlet.Servlet {
   static final long serialVersionUID = 1L;
   
    /* (non-Java-doc)
    * @see javax.servlet.http.HttpServlet#HttpServlet()
    */
   public ServletAlta() {
      super();
   }      
   
   /* (non-Java-doc)
    * @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
    */
   protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

   }     
   
   /* (non-Java-doc)
    * @see javax.servlet.http.HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
    */
   protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
      
      System.out.println("in servlet signIn");

      SessionFactory sessionFactory = new Configuration().configure().buildSessionFactory();
      Session session = sessionFactory.openSession();
      Transaction tx = session.beginTransaction();
      Usuario u = new Usuario(null,null,null,null);
      u.setNombre(request.getParameter("nombre"));
      u.setAppelidos(request.getParameter("appelidos"));
      u.setUsuario(request.getParameter("usuario"));
      u.setClave(request.getParameter("clave"));
      session.save(u);
      tx.commit();
      session.close();   }            
   
   /* (non-Javadoc)
    * @see javax.servlet.GenericServlet#init()
    */
   public void init() throws ServletException {
      // TODO Auto-generated method stub
      super.init();
   }   
}


The hibernate class is :
Code:
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
   "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
   "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping>
   <class name="model.Usuario" table="USUARIO">
      <id name="ID" column="ID" type="java.lang.Integer">
         <generator class="increment"/>
      </id>
      <property name="nombre" column="nombre" type="java.lang.String"/>
      <property name="appelidos" column="appelidos" type="java.lang.String"/>
      <property name="usuario" column="usuario" type="java.lang.String"/>
      <property name="clave" column="clave" type="java.lang.String"/>
   </class>
</hibernate-mapping>


The correspondig java class is :
Code:
package model;

public class Usuario {

   private String nombre;
   private String appelidos;
   private String usuario;
   private String clave;

   public Usuario(String nombre, String appelidos, String usuario, String clave) {
      super();
      this.nombre = nombre;
      this.appelidos = appelidos;
      this.usuario = usuario;
      this.clave = clave;
   }

   public String getNombre() {
      return nombre;
   }

   public void setNombre(String nombre) {
      this.nombre = nombre;
   }

   public String setAppelidos() {
      return appelidos;
   }

   public void setAppelidos(String appelidos) {
      this.appelidos = appelidos;
   }

   public String getUsuario() {
      return usuario;
   }

   public void setUsuario(String usuario) {
      this.usuario = usuario;
   }

   public String getClave() {
      return clave;
   }

   public void setClave(String clave) {
      this.clave = clave;
   }

}



Any suggestion ? sorry for the long post but i want to be sure to put all into the post so you could be have more precision for the reply :)


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 Profile  
 
 Post subject: Re: Problem hubernate and Servlet
PostPosted: Tue Nov 16, 2010 1:14 pm 
Beginner
Beginner

Joined: Fri Aug 24, 2007 4:46 am
Posts: 36
Location: Bielefeld / Germany
Do you have hibernate.jar and required dependency-jars in WEB-INF/lib of your web-application?

Required dependencies are:

antlr-2.7.6.jar
commons-collections-3.1.jar
dom4j-1.6.1.jar
javassist-3.12.0.GA.jar
jta-1.1.jar
slf4j-api-1.6.1.jar

Cheers, Maik

_________________
jease.org - Java with Ease


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 Profile  
 
 Post subject: Re: Problem hubernate and Servlet
PostPosted: Tue Nov 16, 2010 1:24 pm 
Newbie

Joined: Tue Nov 16, 2010 12:02 pm
Posts: 5
mjablonski wrote:
Do you have hibernate.jar and required dependency-jars in WEB-INF/lib of your web-application?

Required dependencies are:

antlr-2.7.6.jar
commons-collections-3.1.jar
dom4j-1.6.1.jar
javassist-3.12.0.GA.jar
jta-1.1.jar
slf4j-api-1.6.1.jar

Cheers, Maik


Yeah i've all this jar :( :(


edit: the problems was that i'd not putted all the jars in WEBCONTENT folder.. but in the project root :)


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