Hola Javier, creo que el problema que tienes es que est�s colocando como
clave primaria de un EJB un tipo primitivo (int) y espera recibir un objeto,
para solucionarlo tienes 2 opciones construirte una PKclass o bien cambiar
ese atributo a Integer.
Un saludo
Sonia Vega
----- Original Message -----
From: Javier Fernandez <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, August 14, 2000 8:31 PM
Subject: Problems with CMP,primaryKey Class and finder methods
> Hi!
> At first I�m sorry because my english level isn�t very good.
> I�m working with J2SDKEE1.2.1. and I�ve problems with CMP and Windows
2000.
> I�ve a EJB(CPersonaEJB,CPersonaHome,CPersona,CPersonaPK=EntityBean
> class,interface home,interface remote,Primary key class).My primary key
> field is an int.In the Application Deployment Tool running the new
> Enterprise Bean Wizard I enter in the primary key class field:CPersonaPK;
> and in the primary key Field Name field I select id_contperson.
>
> When I run a client we have 2 problems with the methods :findByPrimaryKey
> and getPrimaryKey.
> With findByPrimaryKey I get the next messages:
>
> javax.ejb.FinderException: ERROR in database SELECT for
> find:java.sql.SQLException: Invalid column type:setObject
>
>
> Whit getPrimaryKey I get the next messages:
> When I try to convert the object returned by the method getPrimaryKey into
> CPersonaPK Class, I can�t because there is the nest Exception:
> java.lang.ClassException
>
>
> My code is:
> <<CPersonaPK>>:
> public class CPersonaPK implements java.io.Serializable {
>
> public int id_contperson;
> public CPersonaPK(){}
> public int hashCode() {
> return id_contperson;
> }
> public boolean equals(Object obj) {
> if(obj == null || !(obj instanceof CPersonaPK))
> return false;
> else if (((CPersonaPK)obj).id_contperson==id_contperson)
> return true;
> else
> return false;
> }
> }
> ---------------------------
> <<CPersonaEJB>>:
>
> import java.sql.*;
> import java.sql.Date;
> import javax.sql.*;
> import java.util.*;
> import javax.ejb.*;
> import javax.naming.*;
> import java.lang.Integer;
>
> public class CPersonaEJB implements EntityBean {
> private int id_usuario;
> public String nombre;
> public String apellidos;
> public String email;
> public String telefono;
> public String fax;
> public String direccion;
> public String cp;
> public String ciudad;
> public String pais;
> public String infoadi;
> public String departamento;
> public String categoria;
> public int id_contperson;
> private int id_generador_contperson;
> private EntityContext contexto;
>
> public CPersonaPK ejbCreate(int id_contperson,String nombre,String
> apellidos,String email,String telefono,String fax,String direccion,String
> cp,String ciudad,String pais,String infoadi,String departamento,String
> categoria)
> throws CreateException {
>
> this.nombre=nombre;
> this.apellidos=apellidos;
> this.email=email;
> this.telefono=telefono;
> this.fax=fax;
> this.direccion=direccion;
> this.cp=cp;
> this.ciudad=ciudad;
> this.pais=pais;
> this.infoadi=infoadi;
> this.departamento=departamento;
> this.categoria=categoria;
> this.id_contperson=id_contperson;
> return null; }
>
> public void ejbPostCreate(int id_contperson,String nombre,String
> apellidos,String email,String telefono,String fax,String direccion,String
> cp,String ciudad,String pais,String infoadi,String departamento,String
> categoria){}
> public void ejbLoad(){}
> public void ejbStore(){}
> public void ejbActivate(){}
> public void ejbPassivate(){}
> public void ejbRemove(){}
> public void setEntityContext (EntityContext contexto){
> this.contexto = contexto; }
>
> public void unsetEntityContext(){
> this.contexto=null;}
> }
> -------------------------------------------
> <<CPERSONAHOME>>:
>
> import java.util.Collection;
> import java.rmi.RemoteException;
> import javax.ejb.*;
>
>
> public interface CEmpresaHome extends EJBHome {
>
> public CEmpresa create(int id_contempresa,String empresa,String
> direccion,String codigoPostal,String telefono,String fax,String
> ciudad,String pais,String web,String infoAdi,String departamento)throws
> RemoteException,CreateException;
> public CEmpresa findByPrimaryKey(CEmpresaPK id_cita) throws
> FinderException,RemoteException;
> public Collection findByEmpresa(String empresa) throws
> FinderException,RemoteException;
> public Collection findByCiudad(String ciudad) throws
> FinderException,RemoteException;
> public Collection findByPais(String pais) throws
> FinderException,RemoteException;
> public Collection findByDepartamento(String departamento) throws
> FinderException,RemoteException;
>
> }
>
> -------------------
> Thanks you.
>
> ________________________________________________________________________
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>
>
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