在最近的一個項目中,采用springMVC、mybatis,發現一個很惱人的問題:事務管理不起作用!!網上查閱了大量的資料,嘗試了各種解決辦法,亦未能解決問題!
spring版本:3.0.5
mybatis版本:3.2.2
1、applicationContext.xml配置:
- <context:annotation-config />
- <!-- 引入jdbc屬性配置文件 -->
- <context:property-placeholder location="classpath:jdbc.properties" />
- <!-- 數據源 -->
- <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
- <property name="driverClassName" value="${jdbc.driverClassName}"></property>
- <property name="url" value="${jdbc.url}"></property>
- <property name="username" value="${jdbc.username}"></property>
- <property name="password" value="${jdbc.password}"></property>
- </bean>
- <bean id="ftpConfig" class="com.wtas.utils.CustomizedPropertyConfig">
- <property name="location" value="classpath:ftp.properties" />
- </bean>
- <!-- 配置mybatis用到的sqlSessionFactory -->
- <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
- <property name="configLocation" value="classpath:mybatisConfig.xml" />
- <property name="dataSource" ref="dataSource" />
- <property name="typeAliasesPackage" value="com.wtas.study.domain,com.wtas.studygroup.domain,com.wtas.sys.domain,com.wtas.test.domain" />
- <property name="mapperLocations" value="classpath*:com/wtas/**/*Mapper.xml" />
- </bean>
- <!-- 根據映射文件動態生成dao的實現 -->
- <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
- <property name="basePackage" value="com.wtas" />
- <property name="annotationClass" value="org.springframework.stereotype.Repository" />
- </bean>
- <!-- 事務控制 -->
- <bean name="transactionManager"
- class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
- <property name="dataSource" ref="dataSource"></property>
- </bean>
- <tx:advice id="userTxAdvice" transaction-manager="transactionManager">
- <tx:attributes>
- <tx:method name="remove*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.Exception" no-rollback-for="java.lang.RuntimeException" />
- <tx:method name="delete*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.Exception" no-rollback-for="java.lang.RuntimeException" />
- <tx:method name="add*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.RuntimeException" />
- <tx:method name="insert*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.RuntimeException" />
- <tx:method name="save*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.RuntimeException" />
- <tx:method name="update*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.Exception" />
- <tx:method name="publish*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.Exception" />
- <tx:method name="get*" propagation="SUPPORTS" read-only="true" />
- <tx:method name="list*" propagation="SUPPORTS" read-only="true" />
- <tx:method name="query*" propagation="SUPPORTS" read-only="true" />
- <tx:method name="find*" propagation="SUPPORTS" read-only="true" />
- <tx:method name="page*" propagation="SUPPORTS" read-only="true" />
- </tx:attributes>
- </tx:advice>
- <tx:annotation-driven transaction-manager="transactionManager"/>
- <!-- execution(public * com.wtas.*.service.*.*(..)) OR execution(public * com.wtas.*.*.*.service.*.*(..))-->
- <aop:config>
- <aop:pointcut id="pc" expression="execution(public * com.wtas.*.service.*.*(..))" />
- <aop:advisor pointcut-ref="pc" advice-ref="userTxAdvice" />
- </aop:config>
- <!-- 這里注冊轉換器 -->
- <mvc:annotation-driven conversion-service="conversionService" />
- <context:component-scan base-package="com.wtas"></context:component-scan>
- <mvc:default-servlet-handler />
- <!-- 注冊ConversionService -->
- <bean id="conversionService"
- class="org.springframework.format.support.FormattingConversionServiceFactoryBean">
- <!-- 轉換器 -->
- <property name="converters">
- <list>
- <bean class="com.wtas.converter.StringToDateConverter">
- <constructor-arg value="yyyy-MM-dd" />
- </bean>
- </list>
- </property>
- </bean>
- <bean
- class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
- <property name="messageConverters">
- <list>
- <bean
- class="org.springframework.http.converter.BufferedImageHttpMessageConverter" />
- <bean
- class="org.springframework.http.converter.ByteArrayHttpMessageConverter" />
- <bean
- class="org.springframework.http.converter.StringHttpMessageConverter" />
- <bean
- class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter" />
- </list>
- </property>
- </bean>
- <!-- 視圖解釋類 -->
- <bean id="viewResolver"
- class="org.springframework.web.servlet.view.InternalResourceViewResolver">
- <property name="prefix" value="/WEB-INF/jsps/" />
- <property name="suffix" value=".jsp" />
- <property name="viewClass"
- value="org.springframework.web.servlet.view.JstlView" />
- </bean>
由於之前沒用過springMVC,對其原理一知半解,一直在考慮是不是aop配置出錯等等無關問題,結果破費周折,未能解決!
今天,偶然間看到一篇文章,頗有啟發:
- 由於采用的是SpringMVC、 MyBatis,故統一采用了標注來聲明Service、Controller
- <span style="color:#FF0000;"><strong>由於服務器啟動時的加載配置文件的順序為web.xml---root-context.xml(Spring的配置文件)---servlet-context.xml(SpringMVC的配置文件),由於
- root-context.xml配置文件中Controller會先進行掃描裝配,但是此時service還沒有進行事務增強處理,得到的將是原樣的Service(沒有經過事務加強處理,
- 故而沒有事務處理能力)</strong></span>,所以我們必須在root-context.xml中不掃描Controller,配置如下:
- <!-- 自動掃描組件,這里要把controler下面的 controller去除,他們是在spring3-servlet.xml中配置的,如果不去除會影響事務管理的。 -->
- <context:component-scan base-package="com.sence">
- <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller" />
- </context:component-scan>
- 在servlet-context.xml中掃描Controller同時不掃描Service,配置如下:
- <!-- 掃描所有的controller 但是不掃描service-->
- <context:component-scan base-package="com.sence">
- <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller" />
- <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Service" />
- </context:component-scan>
按照上述,修改了配置文件,將service的掃描放在applicationContext.xml中,controller的掃描放在springMVC.xml中,
applicationContext.xml中添加:
- <context:component-scan base-package="com.wtas">
- <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller" />
- </context:component-scan>
springMVC.xml中修改:
- <!-- 掃描所有的controller(@Controller注解) 但是不掃描service(@Service注解,如果你在java類上使用的是@Component,下面的org.springframework.stereotype.Service要改為org.springframework.stereotype.Component,
- 但是這樣就有一個問題,因為Component已經包含了Controller,這樣的話,也就是將Controller也排除了,所以我們在定義組件的時候盡量不要使用Component,而要使用Service)-->
- <context:component-scan base-package="com.wtas">
- <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller" />
- <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Service" />
- </context:component-scan>
- 2013-07-24 10:28:59.028 [http-80-1] DEBUG c.w.s.dao.IStudyGroupDao.add [BaseJdbcLogger.java:132] -==> Preparing: INSERT INTO t_study_group VALUES
- (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
- 2013-07-24 10:28:59.029 [http-80-1] DEBUG c.w.s.dao.IStudyGroupDao.add [BaseJdbcLogger.java:132] -==> Parameters: null, xxx(String), null, 1(Long),
- 2013-07-24 10:28:59.024(Timestamp), (String), null, null, null, null, 30(Integer), null
- 2013-07-24 10:28:59.031 [http-80-1] DEBUG org.mybatis.spring.SqlSessionUtils [SqlSessionUtils.java:165] -Releasing transactional SqlSession
- [org.apache.ibatis.session.defaults.DefaultSqlSession@d30557]
- 2013-07-24 10:28:59.083 [http-80-1] DEBUG org.mybatis.spring.SqlSessionUtils [SqlSessionUtils.java:283] -Transaction synchronization rolling back
- SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@d30557]
- 2013-07-24 10:28:59.084 [http-80-1] DEBUG org.mybatis.spring.SqlSessionUtils [SqlSessionUtils.java:298] -Transaction synchronization closing
- SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@d30557]
- 2013-07-24 10:28:59.085 [http-80-1] ERROR c.wtas.studygroup.domain.StudyGroup [StudyGroupAction.java:342] -edit study group error :
- java.lang.ArithmeticException: / by zero
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