报错如下：
[framework][2010-02-24 14:14:10][org.springframework.orm.hibernate3.support.OpenSessionInViewFilter][ http-8080-1:20235 ]-[ DEBUG ] Using SessionFactory 'sessionFactory' for OpenSessionInViewFilter
[framework][2010-02-24 14:14:10][org.springframework.beans.factory.support.DefaultListableBeanFactory][ http-8080-1:20235 ]-[ DEBUG ] Returning cached instance of singleton bean 'sessionFactory'
[framework][2010-02-24 14:14:10][org.springframework.orm.hibernate3.support.OpenSessionInViewFilter][ http-8080-1:20344 ]-[ DEBUG ] Opening single Hibernate Session in OpenSessionInViewFilter
[framework][2010-02-24 14:14:10][org.springframework.orm.hibernate3.SessionFactoryUtils][ http-8080-1:20344 ]-[ DEBUG ] Opening Hibernate Session
[framework][2010-02-24 14:14:10][org.hibernate.impl.SessionImpl][ http-8080-1:20485 ]-[ DEBUG ] opened session at timestamp: 12669920506
[framework][2010-02-24 14:14:10][org.hibernate.impl.SessionImpl][ http-8080-1:20485 ]-[ DEBUG ] setting flush mode to: NEVER
[framework][2010-02-24 14:14:10][org.springframework.transaction.support.TransactionSynchronizationManager][ http-8080-1:20501 ]-[ DEBUG ] Bound value [org.springframework.orm.hibernate3.SessionHolder@1049cbf] for key [org.hibernate.impl.SessionFactoryImpl@652f4d] to thread [http-8080-1]
[framework][2010-02-24 14:14:10][org.apache.struts2.dispatcher.FilterDispatcher][ http-8080-1:20516 ]-[ ERROR ] error getting ActionMapping
java.lang.NullPointerException
at org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:393)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:619)
[framework][2010-02-24 14:14:10][org.springframework.transaction.support.TransactionSynchronizationManager][ http-8080-1:20532 ]-[ DEBUG ] Removed value [org.springframework.orm.hibernate3.SessionHolder@1049cbf] for key [org.hibernate.impl.SessionFactoryImpl@652f4d] from thread [http-8080-1]
[framework][2010-02-24 14:14:10][org.springframework.orm.hibernate3.support.OpenSessionInViewFilter][ http-8080-1:20532 ]-[ DEBUG ] Closing single Hibernate Session in OpenSessionInViewFilter
[framework][2010-02-24 14:14:10][org.springframework.orm.hibernate3.SessionFactoryUtils][ http-8080-1:20532 ]-[ DEBUG ] Closing Hibernate Session
[framework][2010-02-24 14:14:10][org.hibernate.impl.SessionImpl][ http-8080-1:20532 ]-[ DEBUG ] closing session
[framework][2010-02-24 14:14:10][org.hibernate.jdbc.ConnectionManager][ http-8080-1:20532 ]-[ DEBUG ] connection already null in cleanup : no action
WEB.XML配置如下：
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<!-- 加载所有Spring配置文件 开始-->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>
/WEB-INF/config/applicationContext*.xml
</param-value>
</context-param>
<!-- 加载所有Spring配置文件 结束-->
<!-- 字符编码过滤器 开始
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>ws.wskai.filter.EncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>-->
<!-- 字符编码过滤器 结束-->
<!-- 懒加载过滤器 session到页面才能关 开始-->
<filter>
<filter-name>lazyLoadingFilter</filter-name>
<filter-class>
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter
</filter-class>
</filter>
<filter-mapping>
<filter-name>lazyLoadingFilter</filter-name>
<url-pattern>*.action</url-pattern>
</filter-mapping>
<!-- 懒加载过滤器 session到页面才能关 结束-->
<!-- Struts2总控器(过滤器) 开始-->
<filter>
<filter-name>struts2</filter-name>
<filter-class>
org.apache.struts2.dispatcher.FilterDispatcher
</filter-class>
<init-param>
<param-name>config</param-name>
<param-value>../config/struts.xml</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- Struts2总控器(过滤器) 结束-->
<!-- Spring的listener来初始化Context 开始-->
<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>
<!-- Spring的listener来初始化Context 结束 -->
<!-- Spring 刷新Introspector防止内存泄露 -->
<listener>
<listener-class>
org.springframework.web.util.IntrospectorCleanupListener
</listener-class>
</listener>
<!-- session超时定义,单位为分钟 -->
<session-config>
<session-timeout>20</session-timeout>
</session-config>
<!-- 默认启动页面 结束-->
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<!-- 默认启动页面 结束 -->
</web-app>
struts.xml配置如下：
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<!-- 设置常量，表示把struts交给spring管理 -->
<constant name="struts.objectFactory"
value="com.opensymphony.xwork2.ObjectFactory" /><!--把value里面的值改为"spring"就出错，郁闷!!-->
<package name="admin" extends="struts-default"
namespace="/jsp/admin">
<action name="list" class="adminBean" method="select">
<result>/index.jsp</result>
</action>
<action name="addAdmin" class="adminBean" method="add">
<result>list.action</result>
</action>
<action name="deleteAdmin" class="adminBean" method="delete">
<result>list.action</result>
</action>
<action name="deleteByIDAdmin" class="adminBean"
method="deleteByID">
<result>list.action</result>
</action>
<action name="updateAdmin" class="adminBean" method="update">
<result>list.action</result>
</action>
<action name="selectByIDAdmin" class="adminBean"
method="selectByID">
<result>list.action</result>
</action>
</package>
</struts>
Spring的三个文件配置如下：
applicationContext-actions.xml:
<?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:p="http://www.springframework.org/schema/p"
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-2.5.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">
<!-- struts的注入,特别注意，加scope="prototype" -->
<!-- admin -->
<bean name="adminBean" class="ws.wskai.action.AdminAction"
scope="prototype">
<property name="adminService" ref="adminService" />
</bean>
</beans>
applicationContext-beans.xml:
<?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:p="http://www.springframework.org/schema/p"
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-2.5.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">
<!-- model层注入 开始-->
<!--adminDAO-->
<bean id="adminDAO" class="ws.wskai.dao.impl.AdminDAOImpl">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<!-- model层注入 结束-->
<!-- 服务层的注入 开始-->
<bean id="adminService"
class="ws.wskai.service.Impl.AdminServiceImpl">
<property name="adminDAO" ref="adminDAO" /><!-- name为类里面的注入变量名, ref为引用名,引用路径名 -->
</bean>
<!-- 服务层的注入 结束-->
</beans>
applicationContext-common.xml:
<?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:p="http://www.springframework.org/schema/p"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:jee="http://www.springframework.org/schema/jee"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd
http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-2.5.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">
<bean id="dataSource"
class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName"
value="com.mysql.jdbc.Driver">
</property>
<property name="url"
value="jdbc:mysql://localhost:3306/music">
</property>
<property name="username" value="root"></property>
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
<!-- 允许自动提交 -->
<prop key="hibernate.connection.autocommit">true</prop>
<!-- 显示sql语句 -->
<prop key="hibernate.show_sql">true</prop>
<!-- 根据hbm.xml 自动修改表结构,当表不存在的时候，还会自动创建表-->
<prop key="hibernate.hbm2ddl.auto">update</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>ws/wskai/beans/Admin.hbm.xml</value>
<value>ws/wskai/beans/Users.hbm.xml</value>
<value>ws/wskai/beans/Visits.hbm.xml</value>
</list>
</property>
</bean>
<!-- 配置事务管理器（声明式的事务）-->
<bean id="transactionManager"
class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory">
<ref local="sessionFactory" />
</property>
</bean>
<!-- 配置事务特性方法，配置add、delete、update、query开始的方法，事务传播特性为required -->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="add*" propagation="REQUIRED" />
<tx:method name="delete*" propagation="REQUIRED" />
<tx:method name="update*" propagation="REQUIRED" />
<tx:method name="query*" propagation="REQUIRED" />
<tx:method name="get*" propagation="REQUIRED" />
<tx:method name="*" read-only="true" />
</tx:attributes>
</tx:advice>
<!--
配置那个包下的class，方法接受事务管理
第一个 * 通配 任意返回值类型
第二个 * 通配 包ws.wskai.service下的任意class
第三个 * 通配 包ws.wskai.service下的任意class的任意方法
第四个 .. 通配 方法可以有0个或多个参数
综上：包ws.wskai.service下的任意class的具有任意返回值类型、任意数目参数和任意名称的方法
-->
<aop:config>
<aop:pointcut id="allManagerMethod"
expression="execution(* ws.wskai.service.*.*(..))" />
<aop:advisor advice-ref="txAdvice"
pointcut-ref="allManagerMethod" />
</aop:config>
</beans>
