Hi I am completely new to this and getting this exception.


ul 16, 2011 7:59:02 AM org.apache.catalina.core.StandardContext loadOnStartup
SEVERE: Servlet /user threw load() exception
java.lang.ClassCastException: org.hibernate.annotations.common.reflection.java.JavaReflectionManager cannot be cast to org.hibernate.annotations.common.reflection.MetadataProviderInjector
at org.hibernate.cfg.Configuration.createReflectionManager(Configuration.java:2989)
at org.hibernate.cfg.Configuration.createReflectionManager(Configuration.java:2984)
at org.hibernate.cfg.Configuration.reset(Configuration.java:307)
at org.hibernate.cfg.Configuration.<init>(Configuration.java:298)
at org.hibernate.cfg.Configuration.<init>(Configuration.java:302)
at org.hibernate.cfg.AnnotationConfiguration.<init>(AnnotationConfiguration.java:75)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:126)
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:104)
at org.springframework.orm.hibernate3.LocalSessionFactoryBean.newConfiguration(LocalSessionFactoryBean.java:818)
at org.springframework.orm.hibernate3.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:549)
at org.springframework.orm.hibernate3.AbstractSessionFactoryBean.afterPropertiesSet(AbstractSessionFactoryBean.java:211)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1477)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1417)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:291)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:288)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:563)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:895)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:425)
at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:442)
at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:458)
at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:339)
at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:306)
at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:127)
at javax.servlet.GenericServlet.init(GenericServlet.java:160)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1201)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1114)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1021)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4957)
at org.apache.catalina.core.StandardContext$3.call(StandardContext.java:5284)
at org.apache.catalina.core.StandardContext$3.call(StandardContext.java:5279)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:680)

My source looks like this

package user.domain;

import java.io.Serializable;

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

@Entity
@Table(name="user")
public class User implements Serializable
{

private Long _id;
private String _firstName;
private String _surname;

public User(String firstName, String surname)
{
this._firstName = firstName;
this._surname = surname;
}

public User(Long id, String firstName, String surname)
{
this._id = id;
this._firstName = firstName;
this._surname = surname;
}

@Id
@GeneratedValue
@Column(name="id")
public Long getId()
{
return this._id;
}
public void setId(Long id)
{
this._id =id;
}

@Column(name="firstname")
public String getFirstName()
{
return this._firstName;
}

public void setFirstName(String firstName)
{
this._firstName = firstName;
}
@Column(name="surname")
public String getSurname()
{
return this._surname;
}

public void setSurname(String surname)
{
this._surname = surname;
}

public String toString() {
StringBuffer buffer = new StringBuffer();
buffer.append("Id: " + _id + ";");
buffer.append("FirstName: " + _firstName);
buffer.append("FirstName: " + _surname);
return buffer.toString();
}
}


<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" >
<property name="driverClassName" value="com.mysql.jdbc.Driver"/>
<property name="url" value="jdbc:mysql://localhost/user"/>
<property name="username" value="garuda"/>
<property name="password" value="ifly"/>
</bean>

<bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="annotatedClasses">
<list>
<value>user.domain.User</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect"> org.hibernate.dialect.MySQLDialect</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.hbm2ddl.auto">create</prop>
</props>
</property>
</bean>

<bean id="myUserDAO" class="user.dao.UserDAO">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>


Any help on this would be greatly appreciated