SSH集成的问题NullPointerException sessionFactory注入的问题
新学java,其中在SSH集成的时候,sessionFactory注入的问题,请各位高手给指导指导!
applicationContext.xml配置

<context:annotation-config />

	<bean class="org.springframework.context.annotation.CommonAnnotationBeanPostProcessor"/> 

	

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



	<bean id="myDataSource" class="org.apache.commons.dbcp.BasicDataSource"

		destroy-method="close">

		<property name="driverClassName" value="com.microsoft.sqlserver.jdbc.SQLServerDriver" />

		<property name="url"

			value="jdbc:sqlserver://127.0.0.1:1433;DataBaseName=demo" />

		<property name="username" value="sa" />

		<property name="password" value="123456" />

	</bean>



	<bean id="sessionFactory"

		class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">

		<property name="dataSource" ref="myDataSource" />

		<property name="packagesToScan">

			<list>

				<value>com.model</value>

			</list>

		</property>

		<property name="hibernateProperties">

			<props>

				<prop key="hibernate.dialect">org.hibernate.dialect.SQLServerDialect</prop>

				<prop key="current_session_context_class">thread</prop>

				<prop key="show_sql">true</prop>

				<prop key="hbm2ddl.auto">update</prop>				

			</props>

		</property>

	</bean>



	<aop:config>

		<aop:pointcut expression="execution(public * com.serviceImpl..*.*(..))"

			id="transactionPointCut" />

		<aop:advisor advice-ref="txAdvice" pointcut-ref="transactionPointCut" />

	</aop:config>



	<bean id="txManager"

		class="org.springframework.orm.hibernate4.HibernateTransactionManager">

		<property name="sessionFactory" ref="sessionFactory"></property>

	</bean>



	<tx:advice id="txAdvice" transaction-manager="txManager">

		<tx:attributes>

			<tx:method name="*" propagation="REQUIRED" />

		</tx:attributes>

	</tx:advice>

struts.xml配置

<struts>

	<include file="struts-default.xml"/>

	<constant name="struts.devMode" value="true" />

	

	<package name="default" namespace="/" extends="struts-default">

		<default-action-ref name="index"/>

		<action name="index">

			<result>/index.jsp</result>

		</action>

		<action name="regist" class="com.action.UserAction" method="add">

			<result name="success">/message.jsp</result>

			<result name="error">/error.jsp</result>

		</action>

	</package>



</struts>

web.xml配置

	<filter>

		<filter-name>struts2</filter-name>

		<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>

	</filter>

	<filter-mapping>

		<filter-name>struts2</filter-name>

		<url-pattern>/*</url-pattern>

	</filter-mapping>



	<listener>

		<listener-class>