IllegalArgumentException toplink [Resolvido]

Assuntos Gerais
#1

Minha classe está retornando o seguinte erro ao tentar realizar consulta:

java.lang.IllegalArgumentException: An exception occured while creating a query in EntityManager
        at oracle.toplink.essentials.internal.ejb.cmp3.EntityManagerImpl.createQuery(EntityManagerImpl.java:209)
        at pojo.TestePojo.main(TestePojo.java:25)
Caused by: Exception [TOPLINK-8034] (Oracle TopLink Essentials - 2.0.1 (Build b04-fcs (04/11/2008))): oracle.toplink.essentials.exceptions.EJBQLException
Exception Description: Error compiling the query [SELECT a FROM Administrador a WHERE a.login = :login]. Unknown abstract schema type [Administrador].
        at oracle.toplink.essentials.exceptions.EJBQLException.unknownAbstractSchemaType(EJBQLException.java:494)
        at oracle.toplink.essentials.internal.parsing.ParseTreeContext.classForSchemaName(ParseTreeContext.java:163)
        at oracle.toplink.essentials.internal.parsing.SelectNode.getClassOfFirstVariable(SelectNode.java:366)
        at oracle.toplink.essentials.internal.parsing.SelectNode.getReferenceClass(SelectNode.java:354)
        at oracle.toplink.essentials.internal.parsing.ParseTree.getReferenceClass(ParseTree.java:463)
        at oracle.toplink.essentials.internal.parsing.ParseTree.adjustReferenceClassForQuery(ParseTree.java:103)
        at oracle.toplink.essentials.internal.parsing.EJBQLParseTree.populateReadQueryInternal(EJBQLParseTree.java:127)
        at oracle.toplink.essentials.internal.parsing.EJBQLParseTree.populateQuery(EJBQLParseTree.java:108)
        at oracle.toplink.essentials.internal.ejb.cmp3.base.EJBQueryImpl.buildEJBQLDatabaseQuery(EJBQueryImpl.java:219)
        at oracle.toplink.essentials.internal.ejb.cmp3.base.EJBQueryImpl.buildEJBQLDatabaseQuery(EJBQueryImpl.java:189)
[TopLink Info]: 2008.10.25 03:00:10.515--ServerSession(29346106)--file:/C:/Documents%20and%20Settings/Gilmar/My%20Documents/NetBeansProjects/helpdesk/build/web/WEB-INF/classes/-admin logout successful
        at oracle.toplink.essentials.internal.ejb.cmp3.base.EJBQueryImpl.buildEJBQLDatabaseQuery(EJBQueryImpl.java:153)
        at oracle.toplink.essentials.internal.ejb.cmp3.base.EJBQueryImpl.<init>(EJBQueryImpl.java:114)
        at oracle.toplink.essentials.internal.ejb.cmp3.base.EJBQueryImpl.<init>(EJBQueryImpl.java:99)
        at oracle.toplink.essentials.internal.ejb.cmp3.EJBQueryImpl.<init>(EJBQueryImpl.java:86)
        at oracle.toplink.essentials.internal.ejb.cmp3.EntityManagerImpl.createQuery(EntityManagerImpl.java:204)
        ... 1 more

Minha classe pojo


package pojo;

import java.io.Serializable;
import javax.persistence.*;

@Entity
@Table(name = "Administrador")


public class PojoAdministrador implements Serializable {

    private String login;
    private String senha;

    @Id
    @Column(name = "login")
    public String getLogin() {
        return login;
    }

    public void setLogin(String login) {
        this.login = login;
    }

    @Column(name = "senha")
    public String getSenha() {
        return senha;
    }

    public void setSenha(String senha) {
        this.senha = senha;
    }
}

persistence.xml

<?xml version="1.0" encoding="windows-1252" ?>   
<persistence xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd"
version="1.0" xmlns="http://java.sun.com/xml/ns/persistence">  

<persistence-unit name="aluno">
<provider>oracle.toplink.essentials.PersistenceProvider</provider>
<class>pojo.PojoAluno</class>
 <properties>
  <property name="toplink.jdbc.driver" value="org.gjt.mm.mysql.Driver" />
  <property name="toplink.jdbc.url" value="jdbc:mysql://localhost:3306/helpdesk"></property>
  <property name="toplink.jdbc.user" value="root" />
  <property name="toplink.jdbc.password" value="" />

</properties>
</persistence-unit>
<persistence-unit name="admin">
<provider>oracle.toplink.essentials.PersistenceProvider</provider>
<class>pojo.PojoAdministrador</class>
 <properties>
  <property name="toplink.jdbc.driver" value="org.gjt.mm.mysql.Driver" />
  <property name="toplink.jdbc.url" value="jdbc:mysql://localhost:3306/helpdesk"></property>
  <property name="toplink.jdbc.user" value="root" />
  <property name="toplink.jdbc.password" value="" />

</properties>
</persistence-unit>


<persistence-unit name="chamado">
<provider>oracle.toplink.essentials.PersistenceProvider</provider>
<class>pojo.PojoChamado</class>
 <properties>
  <property name="toplink.jdbc.driver" value="org.gjt.mm.mysql.Driver" />
  <property name="toplink.jdbc.url" value="jdbc:mysql://localhost:3306/helpdesk"></property>
  <property name="toplink.jdbc.user" value="root" />
  <property name="toplink.jdbc.password" value="" />

</properties>
</persistence-unit>


<persistence-unit name="departamento">
<provider>oracle.toplink.essentials.PersistenceProvider</provider>
<class>pojo.PojoDepartamento</class>
 <properties>
  <property name="toplink.jdbc.driver" value="org.gjt.mm.mysql.Driver" />
  <property name="toplink.jdbc.url" value="jdbc:mysql://localhost:3306/helpdesk"></property>
  <property name="toplink.jdbc.user" value="root" />
  <property name="toplink.jdbc.password" value="" />

</properties>
</persistence-unit>


<persistence-unit name="operador">
<provider>oracle.toplink.essentials.PersistenceProvider</provider>
<class>pojo.PojoOperador</class>
 <properties>
  <property name="toplink.jdbc.driver" value="org.gjt.mm.mysql.Driver" />
  <property name="toplink.jdbc.url" value="jdbc:mysql://localhost:3306/helpdesk"></property>
  <property name="toplink.jdbc.user" value="root" />
  <property name="toplink.jdbc.password" value="" />

</properties>
</persistence-unit>

<persistence-unit name="postchamado">
<provider>oracle.toplink.essentials.PersistenceProvider</provider>
<class>pojo.PojoPostChamado</class>
 <properties>
  <property name="toplink.jdbc.driver" value="org.gjt.mm.mysql.Driver" />
  <property name="toplink.jdbc.url" value="jdbc:mysql://localhost:3306/helpdesk"></property>
  <property name="toplink.jdbc.user" value="root" />
  <property name="toplink.jdbc.password" value="" />

</properties>
</persistence-unit>

<persistence-unit name="turma">
<provider>oracle.toplink.essentials.PersistenceProvider</provider>
<class>pojo.PojoTurma</class>
 <properties>
  <property name="toplink.jdbc.driver" value="org.gjt.mm.mysql.Driver" />
  <property name="toplink.jdbc.url" value="jdbc:mysql://localhost:3306/helpdesk"></property>
  <property name="toplink.jdbc.user" value="root" />
  <property name="toplink.jdbc.password" value="" />

</properties>
</persistence-unit>

</persistence>

classe TestePojo

package pojo;

import javax.persistence.*;
import javax.swing.JOptionPane;

public class TestePojo {

    public static void main(String[] args) {
        EntityManagerFactory emf = Persistence.createEntityManagerFactory("admin");
        EntityManager em = emf.createEntityManager();



        String s = "";
        em.getTransaction().begin();
        try {
            Query consulta = em.createQuery("SELECT a FROM Administrador a WHERE a.login = :login");
            consulta.setParameter("login", "admin");
            PojoAdministrador p = (PojoAdministrador) consulta.getSingleResult();

            s += p.getLogin() + " " + p.getSenha() + "\n";

            JOptionPane.showMessageDialog(null, s);

        } catch (NoResultException e) {
            e.printStackTrace();
        } catch (NonUniqueResultException e) {
            e.printStackTrace();
        } catch (Exception e) {
            JOptionPane.showMessageDialog(null, e.getStackTrace());
            em.getTransaction().rollback();

            e.printStackTrace();
        }
        em.close();
        emf.close();

        System.exit(0);

    }
}

Estou usando o mysql 5.

#2

Tente fazer assim

Query consulta = em.createQuery(“SELECT a FROM PojoAdministrador a WHERE a.login = :login”);

#3

Valeu pela dica, funcionou!

#4