requete query jpa

j'ai le model suivant:

Code:

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package gdc.domain.model;
// Generated 14 mai 2008 11:06:52 by Hibernate Tools 3.2.1.GA
 
 
import javax.persistence.Column;
import javax.persistence.Embeddable;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
 
import org.hibernate.annotations.Cache;
import org.hibernate.annotations.CacheConcurrencyStrategy;
 
/**
 * MoisjoursId generated by hbm2java
 */
@Embeddable
@Cache(usage = CacheConcurrencyStrategy.READ_WRITE)
@NamedQueries( {
	    @NamedQuery (name = "MoisjoursId.getMoisjoursId", query = "SELECT * FROM MoisjoursId")})
 
public class MoisjoursId  implements java.io.Serializable {
 
 
     private int jour;
     private int mois;
 
    public MoisjoursId() {
    }
 
    public MoisjoursId(int jour, int mois) {
       this.jour = jour;
       this.mois = mois;
    }
 
 
    @Column(name="jour", nullable=false)
    public int getJour() {
        return this.jour;
    }
 
    public void setJour(int jour) {
        this.jour = jour;
    }
 
    @Column(name="mois", nullable=false)
    public int getMois() {
        return this.mois;
    }
 
    public void setMois(int mois) {
        this.mois = mois;
    }
 
 
   public boolean equals(Object other) {
         if ( (this == other ) ) return true;
		 if ( (other == null ) ) return false;
		 if ( !(other instanceof MoisjoursId) ) return false;
		 MoisjoursId castOther = ( MoisjoursId ) other; 
 
		 return (this.getJour()==castOther.getJour())
 && (this.getMois()==castOther.getMois());
   }
 
   public int hashCode() {
         int result = 17;
 
         result = 37 * result + this.getJour();
         result = 37 * result + this.getMois();
         return result;
   }   
 
 
}

ET:

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package gdc.domain.dao.jpa;
 
import java.util.List;
 
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
 
import org.springframework.stereotype.Repository;
 
 
import gdc.domain.dao.MoisjoursIdDAO;
import gdc.domain.model.Moisjours;
import gdc.domain.model.MoisjoursId;
@Repository
public class MoisjoursDAOJpa implements MoisjoursIdDAO {
	private EntityManager em;
 
    @PersistenceContext
    public void setEntityManager(EntityManager em) {
        this.em = em;
    }
	@Override
	public List<MoisjoursId> getMoisjoursId() {
		System.out.println("###########################################################");
		 Query query = em.createNamedQuery("MoisjoursId.getMoisjoursId");
	        List<MoisjoursId> moisjours= query.getResultList();
	        return moisjours;
	}
 
}

il m'affiche l'erreur suivant lors de l'execustion de la methode getMoisjoursId:

Code:

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14 mai 2008 16:57:12 org.apache.catalina.core.AprLifecycleListener init
INFO: The Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Java\jdk1.6.0_02\bin;C:\Program Files\Apache Software Foundation\Tomcat 6.0\bin
14 mai 2008 16:57:12 org.apache.coyote.http11.Http11Protocol init
INFO: Initialisation de Coyote HTTP/1.1 sur http-8080
14 mai 2008 16:57:12 org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 484 ms
14 mai 2008 16:57:12 org.apache.catalina.core.StandardService start
INFO: Démarrage du service Catalina
14 mai 2008 16:57:12 org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.7
14 mai 2008 16:57:12 org.apache.catalina.core.StandardHost start
INFO: XML validation disabled
14 mai 2008 16:57:13 org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring root WebApplicationContext
0    [main] WARN  gdc.domain.configuration.DataSourceFactory  - Initializing database connection pool.
16   [main] WARN  gdc.domain.configuration.DataSourceFactory  - No database configured in JNDI at "java:/comp/envjdbc/gdc"
344  [main] WARN  gdc.domain.configuration.DataSourceFactory  - MySQL database found.
14 mai 2008 16:57:17 org.apache.catalina.core.ApplicationContext log
INFO: Initializing WebApplicationContext for Struts ActionServlet 'action', module ''
14 mai 2008 16:57:18 org.apache.coyote.http11.Http11Protocol start
INFO: Démarrage de Coyote HTTP/1.1 sur http-8080
14 mai 2008 16:57:18 org.apache.jk.common.ChannelSocket init
INFO: JK: ajp13 listening on /0.0.0.0:8009
14 mai 2008 16:57:18 org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/15  config=null
14 mai 2008 16:57:18 org.apache.catalina.startup.Catalina start
INFO: Server startup in 6094 ms
14 mai 2008 16:57:24 org.apache.catalina.core.ApplicationContext log
INFO: HTMLManager: init: Associated with Deployer 'Catalina:type=Deployer,host=localhost'
14 mai 2008 16:57:24 org.apache.catalina.core.ApplicationContext log
INFO: HTMLManager: init: Global resources are available
14 mai 2008 16:57:24 org.apache.catalina.core.ApplicationContext log
INFO: HTMLManager: list: Listing contexts for virtual host 'localhost'
###########################################################
11797 [http-8080-1] WARN  org.apache.struts.action.RequestProcessor  - Unhandled Exception thrown: class org.springframework.orm.jpa.JpaSystemException
14 mai 2008 16:57:26 org.apache.catalina.core.StandardWrapperValve invoke
GRAVE: "Servlet.service()" pour la servlet action a généré une exception
org.hibernate.MappingException: Named query not known: MoisjoursId.getMoisjoursId
	at org.hibernate.impl.AbstractSessionImpl.getNamedQuery(AbstractSessionImpl.java:70)
	at org.hibernate.impl.SessionImpl.getNamedQuery(SessionImpl.java:1260)
	at org.hibernate.ejb.AbstractEntityManagerImpl.createNamedQuery(AbstractEntityManagerImpl.java:103)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerInvocationHandler.invoke(ExtendedEntityManagerCreator.java:340)
	at $Proxy23.createNamedQuery(Unknown Source)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:180)
	at $Proxy21.createNamedQuery(Unknown Source)
	at gdc.domain.dao.jpa.MoisjoursDAOJpa.getMoisjoursId(MoisjoursDAOJpa.java:26)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:304)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:172)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:139)
	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:161)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
	at $Proxy22.getMoisjoursId(Unknown Source)
	at gdc.service.impl.MoisjoursIdManagerImpl.getMoisjoursId(MoisjoursIdManagerImpl.java:22)
	at gdc.web.WelcomeAction.execute(WelcomeAction.java:28)
	at org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:106)
	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:131)
	at org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:98)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:111)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:96)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:228)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:212)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:634)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:445)
	at java.lang.Thread.run(Thread.java:619)

le nom du query n'est pas reconnait?