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Home » Eclipse Projects » Virgo » Virgo 3.5+ hibernate 4 + spring 3.1.1 unknown entity problem
Virgo 3.5+ hibernate 4 + spring 3.1.1 unknown entity problem [message #813633] Mon, 05 March 2012 09:29 Go to previous message
Jay Huang is currently offline Jay Huang
Messages: 19
Registered: February 2012
Junior Member
Hi all,

I am using VTS 3.5.0.M2 + Spring 3.1.1.release + hibernate 4.1.0.Final, when i start the web bundle that contains the jpa annotated persistent entities, it throws this error (import the right Entity annotation : javax.persistence.Entity):

org.hibernate.MappingException: Unknown entity: web.virgo.Person
	org.hibernate.internal.SessionFactoryImpl.getEntityPersister(SessionFactoryImpl.java:1172)
	org.hibernate.internal.SessionImpl.getEntityPersister(SessionImpl.java:1316)
	org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:117)
	org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:204)
	org.hibernate.event.internal.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:55)
	org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:189)
	org.hibernate.event.internal.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:49)
	org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:90)
	org.hibernate.internal.SessionImpl.fireSave(SessionImpl.java:670)
	org.hibernate.internal.SessionImpl.save(SessionImpl.java:662)
	org.hibernate.internal.SessionImpl.save(SessionImpl.java:658)
	web.virgo.PersonDao.save(PersonDao.java:23)
	web.virgo.PersonDao$$FastClassByCGLIB$$d93c55c.invoke(<generated>)
	net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:191)
	org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:689)
	org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
	org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
	org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
	org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:622)
	web.virgo.PersonDao$$EnhancerByCGLIB$$e011172d.save(<generated>)
	web.virgo.HelloServlet.showWidgetTestView(HelloServlet.java:22)
	sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	java.lang.reflect.Method.invoke(Unknown Source)
	org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176)
	org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:436)
	org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:424)
	org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923)
	org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
	org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
	org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:735)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:848)


Here is my MANIFET.MF :

Manifest-Version: 1.0
Bundle-ManifestVersion: 2
Bundle-Name: Web
Bundle-SymbolicName: com.osgi.web
Bundle-Version: 1.0.0.qualifier
Web-ContextPath: virgo
Import-Package: com.mysql.jdbc;version="[5.1.6,5.1.6]",
 javax.annotation;version="[1.0.0,1.0.0]",
 javax.servlet;version="[3.0.0,3.0.0]",
 javax.servlet.http;version="[3.0.0,3.0.0]",
 javax.sql,
 org.aopalliance.aop;version="[1.0.0,1.0.0]",
 org.aopalliance.intercept;version="[1.0.0,1.0.0]"
Import-Bundle: org.springframework.orm;version="[3.1.1.RELEASE,3.1.1.RELEASE]",
 org.springframework.core;version="[3.1.1.RELEASE,3.1.1.RELEASE]",
 org.springframework.transaction;version="[3.1.1.RELEASE,3.1.1.RELEASE]",
 org.springframework.aop;version="[3.1.1.RELEASE,3.1.1.RELEASE]",
 org.springframework.asm;version="[3.1.1.RELEASE,3.1.1.RELEASE]",
 org.springframework.aspects;version="[3.1.1.RELEASE,3.1.1.RELEASE]",
 org.springframework.beans;version="[3.1.1.RELEASE,3.1.1.RELEASE]",
 org.springframework.context;version="[3.1.1.RELEASE,3.1.1.RELEASE]",
 org.springframework.context.support;version="[3.1.1.RELEASE,3.1.1.RELEASE]",
 org.springframework.expression;version="[3.1.1.RELEASE,3.1.1.RELEASE]",
 org.springframework.jdbc;version="[3.1.1.RELEASE,3.1.1.RELEASE]",
 org.springframework.web;version="[3.1.1.RELEASE,3.1.1.RELEASE]",
 org.springframework.web.portlet;version="[3.1.1.RELEASE,3.1.1.RELEASE]",
 org.springframework.web.servlet;version="[3.1.1.RELEASE,3.1.1.RELEASE]",
 com.springsource.org.apache.commons.dbcp;version="[1.2.2.osgi,1.2.2.osgi]",
 com.springsource.org.apache.commons.pool;version="[1.5.3,1.5.3]",
 com.springsource.net.sf.cglib;version="[2.2.0,2.2.0]",
 com.springsource.org.hibernate.annotations.common;version="[4.1.0.Final,4.1.0.Final]",
 com.springsource.org.hibernate.core;version="[4.1.0.Final,4.1.0.Final]";import-scope:=application,
 com.springsource.org.hibernate.validator;version="[4.2.0.Final,4.2.0.Final]",
 org.springframework.jms;version="[3.1.1.RELEASE,3.1.1.RELEASE]",
 org.springframework.osgi.core;version="[1.2.1,1.2.1]",
 org.springframework.osgi.extender;version="[1.2.1,1.2.1]",
 org.springframework.osgi.io;version="[1.2.1,1.2.1]",
 org.springframework.oxm;version="[3.1.1.RELEASE,3.1.1.RELEASE]"
Bundle-RequiredExecutionEnvironment: JavaSE-1.6
Require-Bundle:  org.hibernate.bundle.hibernate-jpa-bundle,com.springsource.javax.persistence
Export-Package: web.virgo;uses:="org.springframework.ui,org.springframework.orm.hibernate4"



the "org.hibernate.bundle.hibernate-jpa-bundle" is a osgi-fied hibernate-jpa-api-2.0.

and the spring config file :

	<!-- configure annotated Bean -->
	<context:annotation-config />
	<!-- Auto Component Scan -->
	<context:component-scan base-package="web.virgo" />

	<tx:annotation-driven />

	<!-- <context:property-placeholder location="classpath:config.properties" 
		/> -->

	<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
		destroy-method="close">
		<property name="driverClassName" value="com.mysql.jdbc.Driver" />
		<property name="url" value="jdbc:mysql://localhost:3306/virgo" />
		<property name="username" value="jayh" />
		<property name="password" value="undead2009" />
	</bean>

	<bean id="formSessionFactoryBean"
		class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
		<property name="dataSource" ref="dataSource" />
		<property name="hibernateProperties">
			<props>
				<prop key="hibernate.hbm2ddl.auto">update</prop>
				<prop key="hibernate.show_sql">true</prop>
				<prop key="hibernate.format_sql">true</prop>
				<prop key="hibernate.dialet">org.hibernate.dialect.MySQLDialect</prop>
				<prop key="shared-cache-mode">NONE</prop>
			</props>
		</property>
		<property name="packagesToScan">
			<array>
				<value>web.virgo</value>
			</array>
		</property>
		<property name="annotatedPackages">
			<array>
				<value>web.virgo</value>
			</array>
		</property>
	</bean>


	<bean id="transactionManager"
		class="org.springframework.orm.hibernate4.HibernateTransactionManager">
		<constructor-arg ref="formSessionFactoryBean" />
	</bean>

	<bean id="transactionTemplate"
		class="org.springframework.transaction.support.TransactionTemplate">
		<property name="transactionManager" ref="transactionManager" />
	</bean>

	<bean
		class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" />
	<bean
		class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping" />





	<!-- Forwards requests to the "/" resource to the "welcome" view -->
	<mvc:view-controller path="/" view-name="layout" />

	<bean id="viewResolver"
		class="org.springframework.web.servlet.view.UrlBasedViewResolver">
		<property name="viewClass"
			value="org.springframework.web.servlet.view.JstlView" />
		<property name="prefix" value="/WEB-INF/views/" />
		<property name="suffix" value=".jsp" />
	</bean>

</beans>


and the entity class : 

package web.virgo;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Table;

@Entity
@Table(name="person")
public class Person {

	@Id
	@GeneratedValue
	private long id;

	private String name;

	public String getName() {
		return name;
	}

	public void setName(final String name) {
		this.name = name;
	}

}


I guess the problem is the osgi class loader thing when finding the annotated entities while building the session factory. But because the session factory is created by spring, i cannot do anything about the classloader.

Is there anything i missed or i am doing something wrong?
Thank you.

Jay

[Updated on: Mon, 05 March 2012 09:31]

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