ssh整合测试时出现org.springframework.beans.factory.BeanCreationException:
请帮忙找下出现的错误如何解决，谢谢各位了！
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'menuImpl': Injection of resource fields failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [applicationContext.xml]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [org.springframework.orm.hibernate3.LocalSessionFactoryBean]: Constructor threw exception; nested exception is java.lang.NoClassDefFoundError: org/apache/log4j/Level
at 


测试代码：

public class MenuImplTest

{

	@Resource private static MenuDao menuDao;

	

	@Test

	public void testSearch()

	{

		ApplicationContext ac = new ClassPathXmlApplicationContext("applicationContext.xml");

		menuDao = (MenuDao)ac.getBean("menuImpl");

		List<Menu> list = menuDao.searchMenu("鸡");

		for(Menu menu: list)

		{

			System.out.println("id = " + menu.getMenu_id() + "    ,name = " + menu.getMenu_name() + "   ,price = " + menu.getMenu_price());

		}

	}

}

applicationContext.xml文件

<?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:aop="http://www.springframework.org/schema/aop"

	xmlns:tx="http://www.springframework.org/schema/tx"	

	xsi:schemaLocation="http://www.springframework.org/schema/beans 

	http://www.springframework.org/schema/beans/spring-beans-3.0.xsd

	http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd

	http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd

	http://www.springframework.org/schema/context

    http://www.springframework.org/schema/context/spring-context-3.0.xsd">

    <context:annotation-config></context:annotation-config>

    <context:component-scan base-package="com.zcb"></context:component-scan>

    

    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">

    	<property name="driverClass" value="com.mysql.jdbc.Driver"></property>

    	<