FlexMobile-Spring-jpa :remote service call failed

[elyes1111]

hello
i'm trying to build a flex mobile application that call a remote service from a java application.
unfortunately i can't detect the cause of failure of call of remote service.
this is the source code of java application

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DAO layer:1.AbstractJpaDAO.java

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package daos;

import java.io.Serializable;
import java.util.List;

import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
public abstract class AbstractJpaDAO< T extends Serializable > {

private Class< T > clazz;

@PersistenceContext
EntityManager entityManager;

public void setClazz( final Class< T > clazzToSet ){
this.clazz = clazzToSet;
}

public T findOne( final Long id ){
return entityManager.find( clazz, id );
}
public List< T > findAll(){
return entityManager.createQuery( "from " + clazz.getName() )
.getResultList();
}

public void save( final T entity ){
entityManager.persist( entity );
}

public void update( final T entity ){
entityManager.merge( entity );
}
public void delete( final T entity ){
entityManager.remove( entity );
}
public void deleteById( final Long entityId ){
final T entity = findOne( entityId );

delete( entity );
}
}

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DAO layer:2. IGenericDAO.java

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package daos;
import java.util.List;
public interface IGenericDAO<T> {
public void setClazz( final Class< T > clazzToSet );
public T findOne( final Long id );
public List< T > findAll();
public void save( final T entity );
public void update( final T entity );
public void delete( final T entity );
public void deleteById( final Long entityId );
}

---

DAO layer:3.GenericJpaDAO.java

---

package daos;
import java.io.Serializable;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Repository;
@Repository
public class GenericJpaDAO< T extends Serializable >
extends AbstractJpaDAO< T > implements IGenericDAO< T >{
//
}

---

Service layer
1.UserService.java

---

package service;
import java.util.List;
import org.springframework.beans.factory.annotation.Autow ired;
import org.springframework.flex.remoting.RemotingDestinat ion;
import org.springframework.flex.remoting.RemotingInclude;
import org.springframework.stereotype.Service;
import daos.IGenericDAO;
import entities.User;
@Service
@RemotingDestination(channels = { "my-amf" })
public class UserService {
IGenericDAO<User> userdao;
public IGenericDAO<User> getUserdao() {
return userdao;
}
@Autowired
public final void setUserdao(final IGenericDAO<User> userdao) {
this.userdao = userdao;
this.userdao.setClazz(User.class);
}
@RemotingInclude
public void saveOneDao(User user) {
userdao.save(user);
}
@RemotingInclude
public List<User> getAllUser() {
List<User> l = userdao.findAll();
return l;
}}

---

XML Files:
1.web.xml

---

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
<display-name>TestMetier</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
<!-- Att: dans param-value vous devez spécifier le chemain de fichier de configuration. dans notre cas
/WEB-INF/applicationContext.mxml -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/applicationContext.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoade rListener</listener-class>
</listener>
<listener>
<listener-class>flex.messaging.HttpFlexSession</listener-class>
</listener>
<!-- Flex Spring Servlet *************************** -->
<servlet>
<servlet-name>flexspring</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherSe rvlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value></param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>flexspring</servlet-name>
<url-pattern>/messagebroker/*</url-pattern>
</servlet-mapping>
<!-- MessageBroker Servlet*************************** -->
<servlet>
<servlet-name>MessageBrokerServlet</servlet-name>
<servlet-class>flex.messaging.MessageBrokerServlet</servlet-class>
<init-param>
<param-name>services.configuration.file</param-name>
<param-value>/WEB-INF/flex/services-config.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>MessageBrokerServlet</servlet-name>
<url-pattern>/messagebroker/*</url-pattern>
</servlet-mapping>
<!-- RDS Servlet *************************** -->
<servlet>
<servlet-name>RDSDispatchServlet</servlet-name>
<servlet-class>flex.rds.server.servlet.FrontEndServlet</servlet-class>
<init-param>
<param-name>useAppserverSecurity</param-name>
<param-value>false</param-value>
</init-param>
<load-on-startup>10</load-on-startup>
</servlet>
<servlet-mapping id="RDS_DISPATCH_MAPPING">
<servlet-name>RDSDispatchServlet</servlet-name>
<url-pattern>/CFIDE/main/ide.cfm</url-pattern>
</servlet-mapping>
</web-app>

---

XML Files:2.applicationContext.xml

---

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:flex="http://www.springframework.org/schema/flex" xmlns:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schem...-beans-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schem...ing-tx-3.0.xsd
http://www.springframework.org/schema/flex
http://www.springframework.org/schem...g-flex-1.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd">
<!-- Ce tag permet de déclarer que vous allez travallez avec les annotations -->
<context:annotation-config />
<!-- Déclaration des packages où vous allez utilisez les annotations pour
les prendre en considération -->
<context:component-scan base-package="daos" />
<context:component-scan base-package="service" />
<!-- la source de donnéees DBCP -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close">
<property name="driverClassName" value="org.postgresql.Driver" />
<property name="url" value="jdbc:postgresql://localhost:5432/test" />
<property name="username" value="postgres" />
<property name="password" value="root" />
</bean>
<bean id="entityManagerFactory"
class="org.springframework.orm.jpa.LocalContainerE ntityManagerFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="persistenceUnitName" value="MobileProject_Spring_WEB" />
<property name="jpaVendorAdapter">
<bean class="org.springframework.orm.jpa.vendor.Hibernat eJpaVendorAdapter">
<!-- <property name="showSql" value="true" /> -->
<property name="databasePlatform" value="org.hibernate.dialect.PostgreSQLDialect" />
<property name="generateDdl" value="true" />
</bean>
</property>
<property name="loadTimeWeaver">
<bean
class="org.springframework.instrument.classloading .InstrumentationLoadTimeWeaver" />
</property>
</bean>
<bean id="jpaTemplate" class="org.springframework.orm.jpa.JpaTemplate">
<property name="entityManagerFactory" ref="entityManagerFactory" />
</bean>
<bean id="userDAO" class="dao.UserDAO">
<property name="entityManagerFactory" ref="entityManagerFactory"/>
</bean>
<!-- le gestionnaire de transactions -->
<tx:annotation-driven transaction-manager="txManager" />
<bean id="txManager" class="org.springframework.orm.jpa.JpaTransactionM anager">
<property name="entityManagerFactory" ref="entityManagerFactory" />
</bean>
<!-- traduction des exceptions -->
<bean
class="org.springframework.dao.annotation.Persiste nceExceptionTranslationPostProcessor" />
<!-- persistence -->
<bean
class="org.springframework.orm.jpa.support.Persist enceAnnotationBeanPostProcessor" />
<bean
class="org.springframework.beans.factory.annotatio n.AutowiredAnnotationBeanPostProcessor" />
<!-- Flex -->
<flex:message-broker>
<flex:remoting-service default-channels="my-amf" />
</flex:message-broker>
</beans>

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error1.jpg

this photo show that the call of the remote method fail
thinks in advance.