Discussion :

[promachos]

j'essaye de faire un commit de mon Objet appelé plat depuis mon controller
Mais j'obtiens une stacktrace suivante



sur ma couche DAO
public void persist(T t) {
jpaTemplate.persist(t);
}

quelqu'un pourrait il maider ??
quest ce que jai oublié ?

Code :

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org.springframework.dao.InvalidDataAccessApiUsageException: detached entity passed to persist: com.myshop.domain.plate.Plat; nested exception is org.hibernate.PersistentObjectException: detached entity passed to persist: com.myshop.domain.plate.Plat
	at org.springframework.orm.hibernate3.SessionFactoryUtils.convertHibernateAccessException(SessionFactoryUtils.java:651)
	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:100)
	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:213)
	at org.springframework.orm.jpa.JpaAccessor.translateIfNecessary(JpaAccessor.java:152)
	at org.springframework.orm.jpa.JpaTemplate.execute(JpaTemplate.java:188)
	at org.springframework.orm.jpa.JpaTemplate.persist(JpaTemplate.java:262)
	at com.myshop.dao.plate.AbstractDAO.persist(AbstractDAO.java:43)
	at com.myshop.dao.plate.PlatHome.persist(PlatHome.java:17)
	at com.myshop.service.plate.PlatService.persist(PlatService.java:29)
	at com.myshop.controller.plate.PlatController.create(PlatController.java:48)
	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.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:175)
	at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:421)
	at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:409)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:774)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)
	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:560)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362)
	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:726)
	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
	at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:285)
	at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:126)
	at org.tuckey.web.filters.urlrewrite.NormalRewrittenUrl.doRewrite(NormalRewrittenUrl.java:195)
	at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:159)
	at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:141)
	at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:90)
	at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:417)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:726)
	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
	at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:206)
	at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
	at org.mortbay.jetty.Server.handle(Server.java:324)
	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
	at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:843)
	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:648)
	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
	at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
	at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:488)
Caused by: org.hibernate.PersistentObjectException: detached entity passed to persist: com.myshop.domain.plate.Plat
	at org.hibernate.event.def.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:102)
	at org.hibernate.event.def.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:61)
	at org.hibernate.impl.SessionImpl.firePersist(SessionImpl.java:645)
	at org.hibernate.impl.SessionImpl.persist(SessionImpl.java:619)
	at org.hibernate.impl.SessionImpl.persist(SessionImpl.java:623)
	at org.hibernate.ejb.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:220)
	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:365)
	at $Proxy24.persist(Unknown Source)
	at org.springframework.orm.jpa.JpaTemplate$5.doInJpa(JpaTemplate.java:264)
	at org.springframework.orm.jpa.JpaTemplate.execute(JpaTemplate.java:183)
	... 51 more
2010-09-21 14:45:02.012::WARN:  Nested in org.springframework.dao.InvalidDataAccessApiUsageException: detached entity passed to persist: com.myshop.domain.plate.Plat; nested exception is org.hibernate.PersistentObjectException: detached entity passed to persist: com.myshop.domain.plate.Plat:
org.hibernate.PersistentObjectException: detached entity passed to persist: com.myshop.domain.plate.Plat
	at org.hibernate.event.def.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:102)
	at org.hibernate.event.def.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:61)
	at org.hibernate.impl.SessionImpl.firePersist(SessionImpl.java:645)
	at org.hibernate.impl.SessionImpl.persist(SessionImpl.java:619)
	at org.hibernate.impl.SessionImpl.persist(SessionImpl.java:623)
	at org.hibernate.ejb.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:220)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerInvocationHandler.invoke(ExtendedEntityManagerCreator.java:365)
	at $Proxy24.persist(Unknown Source)
	at org.springframework.orm.jpa.JpaTemplate$5.doInJpa(JpaTemplate.java:264)
	at org.springframework.orm.jpa.JpaTemplate.execute(JpaTemplate.java:183)
	at org.springframework.orm.jpa.JpaTemplate.persist(JpaTemplate.java:262)
	at com.myshop.dao.plate.AbstractDAO.persist(AbstractDAO.java:43)
	at com.myshop.dao.plate.PlatHome.persist(PlatHome.java:17)
	at com.myshop.service.plate.PlatService.persist(PlatService.java:29)
	at com.myshop.controller.plate.PlatController.create(PlatController.java:48)
	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.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:175)
	at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:421)
	at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:409)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:774)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)
	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:560)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362)
	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:726)
	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
	at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:285)
	at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:126)
	at org.tuckey.web.filters.urlrewrite.NormalRewrittenUrl.doRewrite(NormalRewrittenUrl.java:195)
	at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:159)
	at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:141)
	at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:90)
	at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:417)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)

Mon Service :

Code :

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package com.myshop.service.plate;
 
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
 
import com.myshop.dao.plate.IPlatHome;
import com.myshop.domain.plate.Plat;
 
@Service("platService")
@Transactional(propagation = Propagation.REQUIRED, readOnly = true)
public class PlatService implements IPlateService{
 
 
	@Autowired
	private IPlatHome mPlatDao;
 
	public Plat findById(Integer id) {
		return mPlatDao.findById(id);
	}
 
	public Plat merge(Plat detachedInstance) {
		return mPlatDao.merge(detachedInstance);
	}
 
	public void persist(Plat transientInstance) {
		mPlatDao.persist(transientInstance);
	}
 
	public void remove(Plat persistentInstance) {
		mPlatDao.remove(persistentInstance);
	}
 
}

Mon DAO :

Code :

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package com.myshop.dao.plate;
 
import java.util.Collection;
 
import javax.persistence.EntityManagerFactory;
import javax.persistence.PersistenceContext;
import javax.persistence.PersistenceContextType;
import javax.persistence.PersistenceUnit;
 
import org.springframework.orm.jpa.JpaTemplate;
import org.springframework.transaction.annotation.Transactional;
 
 
public abstract class AbstractDAO<T>  {
 
        private Class<T> entityClass;
 
        protected JpaTemplate jpaTemplate;
 
        protected Class<T> getEntityClass() {
                return entityClass;
        }
 
        @PersistenceUnit(name="jpaTutos")
        public void setEntityManagerFactory(EntityManagerFactory emf) {
                this.jpaTemplate = new JpaTemplate(emf);
        }
 
        @SuppressWarnings("unchecked")
        public AbstractDAO(Class<T> entityClass) {
                this.entityClass = entityClass;
        }
 
 
 
        @SuppressWarnings("unchecked")
        public Collection<T> getAll() {
                return jpaTemplate.find("from " + entityClass.getSimpleName());
        }
 
 
        public void persist(T t) {
 
    		jpaTemplate.persist(t);
    	}
 
        public T getById(Long id) {
                return jpaTemplate.find(entityClass, id);
        }
 
        public void remove(T t) {
                jpaTemplate.remove(t);
        }
 
        /*
        public void removeById(final Long id) {
                jpaTemplate.execute(new JpaCallback() {
                        @Override
                        public Object doInJpa(EntityManager em) {
                                Query q =
                                        em.createQuery("delete " + entityClass.getSimpleName() + " e where e.id = :id");
                                q.setParameter("id", id);
                                q.executeUpdate();
                                return null;
                        }
                });
        }*/
 
        public void removeById(final Long id) {
                jpaTemplate.remove(jpaTemplate.find(entityClass, id));
                /*jpaTemplate.execute(new JpaCallback() {
                        @Override
                        public Object doInJpa(EntityManager em) {
                                Object entity = em.find(entityClass, id);
                                em.remove(entity);
                                return null;
                        }
                });*/
        }
 
 
        public void update(T t) {
                jpaTemplate.merge(t);
        }
 
}
 
 
package com.myshop.dao.plate;
 
// Generated 19 sept. 2010 16:22:36 by Hibernate Tools 3.2.4.GA
 
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.stereotype.Repository;
 
import com.myshop.domain.plate.Plat;
 
 
/**
 * Home object for domain model class Plat.
 * @see com.myshop.domain.plate.Plat
 * @author Hibernate Tools
 */
@Repository
public class PlatHome extends AbstractDAO<Plat> implements IPlatHome {
 
	private static final Log log = LogFactory.getLog(PlatHome.class);
 
 
	public PlatHome(){
		super(Plat.class);
	}
 
 
	public Plat findById(Integer id) {
		// TODO Auto-generated method stub
		return null;
	}
 
 
	public Plat merge(Plat detachedInstance) {
		// TODO Auto-generated method stub
		return null;
	}
 
 
}

Ma configuraion JPA Spring :

Code :

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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
	xmlns:tx="http://www.springframework.org/schema/tx" xmlns:util="http://www.springframework.org/schema/util"
	xmlns:p="http://www.springframework.org/schema/p" xmlns:aop="http://www.springframework.org/schema/aop"
	xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-2.5.xsd
		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd">
 
 
	<!--  Déclaration du PropertyPlaceholderConfigurer -->
	<bean id="propertyConfigurer"
		class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
		<property name="locations">
			<list>
				<value>classpath*:db.properties</value>
			</list>
		</property>
	</bean>
 
	<!-- traduction des exceptions -->
	<bean class="org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor" />
 
 
	<bean class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor" />
 
	<bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
		<property name="persistenceXmlLocation" value="classpath*:META-INF/persistence.xml"></property>
		<property name="persistenceUnitName" value="jpaTutos" />
		<property name="dataSource" ref="dataSource" />
		<property name="jpaVendorAdapter">
			<bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
				<property name="database" value="MYSQL" />
				<property name="showSql" value="true" />
			</bean>
		</property>
	</bean>
 
	<bean id="dataSource"
		class="org.springframework.jdbc.datasource.DriverManagerDataSource">
		<property name="driverClassName" value="com.mysql.jdbc.Driver" />
		<property name="url" value="jdbc:mysql://localhost/restaurant" />
		<property name="username" value="root" />
		<property name="password" value="" />
	</bean>
 
	<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
		<property name="entityManagerFactory" ref="entityManagerFactory" />
	</bean>
 
	<!--
		Indique a Spring que les transactions sont geree par @Transactional
	-->
	<tx:annotation-driven transaction-manager="transactionManager" />
 
	<!--
		Indique a Spring que la configuration des beans se fait par
		annotations
	-->
	<context:annotation-config />
	<context:component-scan base-package="com.myshop" />
 
 
 
</beans>