在service類中的saveAccount方法中故意拋出了例外,但是資料庫還是會正常插入這條記錄,不會回滾。請各位大佬幫忙看下哪里除了問題,感謝!代碼如下:
service類:
@Service("accountService")
public class AccountServiceImpl implements AccountService {
@Autowired
private AccountDao accountDao;
@Override
public List<Account> findAll() {
System.out.println("業務層findAll()");
return accountDao.findAll();
}
@Override
public void saveAccount(Account account) throws RuntimeException {
System.out.println("業務層saveAccount()");
accountDao.saveAccount(account);
throw new RuntimeException("出錯了");
}
}
spring組態檔:
<?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.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd">
<!-- 開啟注解掃描 -->
<context:component-scan base-package="SSM">
<!-- 配置Controller注解不被掃描,因為我們想用SpringMVC來處理Controller層。-->
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<!-- spring整合mybatis -->
<!-- 配置連接池-->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="https://bbs.csdn.net/topics/com.mysql.jdbc.Driver"/>
<property name="jdbcUrl" value="https://bbs.csdn.net/topics/jdbc:mysql://localhost:3306/mybatis_study?characterEncoding=utf-8"/>
<property name="user" value="https://bbs.csdn.net/topics/root"/>
<property name="password" value="https://bbs.csdn.net/topics/474985"/>
</bean>
<!-- 配置sqlSessionFactory-->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<!-- <!– mybatis總組態檔的位置 –>-->
<!-- <property name="configLocation" value="https://bbs.csdn.net/topics/classpath:sqlMapConfig.xml"/>-->
</bean>
<!-- 配置Dao介面所在的包,用于創建代理物件-->
<bean id="mapperScanner" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="https://bbs.csdn.net/topics/SSM.dao"/>
</bean>
<!--配置spring的宣告式事物控制-->
<!-- 配置事務管理器-->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
</bean>
<!-- 配置事務通知-->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="find*" read-only="true" propagation="SUPPORTS"/>
<tx:method name="save*" propagation="REQUIRED" />
</tx:attributes>
</tx:advice>
<!-- 配置需要AOP增強的切入點-->
<aop:config>
<aop:advisor advice-ref="txAdvice" pointcut="execution(* SSM.service.impl.AccountServiceImpl.*(..))"/>
</aop:config>
</beans>
springmvc配置:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<!-- 配置spring創建容器時要掃描的包 -->
<context:component-scan base-package="SSM">
<!-- 僅掃描Controller注解-->
<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<!-- 配置視圖決議器物件-->
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!--檔案所在目錄-->
<property name="prefix" value="https://bbs.csdn.net/WEB-INF/pages/"></property>
<!--檔案后綴-->
<property name="suffix" value="https://bbs.csdn.net/topics/.jsp"></property>
</bean>
<!-- 設定靜態資源不過濾 -->
<mvc:resources location="/css/" mapping="/css/**"/> <!-- 樣式 -->
<mvc:resources location="/images/" mapping="/images/**"/> <!-- 圖片 -->
<mvc:resources location="/js/" mapping="/js/**"/> <!-- javascript -->
<!-- 配置spring開啟注解mvc的支持,默認開啟配接器,處理器映射器-->
<mvc:annotation-driven></mvc:annotation-driven>
</beans>
web.xml配置:
<!DOCTYPE web-app PUBLIC
"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd" >
<web-app>
<display-name>Archetype Created Web Application</display-name>
<!-- 配置過濾器解決中文亂碼-->
<filter>
<filter-name>characterEncodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<!-- 指定字符集 -->
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>characterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!--配置spring的ContextLoaderListener監聽器,用于加載spring的組態檔。默認只加載WEB-INF目錄下的applicationContext.xml組態檔-->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!--設定監聽器加載組態檔的路徑-->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<!-- 配置前端控制器-->
<servlet>
<servlet-name>dispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!-- 配置初始加載springmvc.xml-->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:springmvc.xml</param-value>
</init-param>
<!-- 配置服務器啟動即創建該servlet-->
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
uj5u.com熱心網友回復:
注解掃描base-package分別限定到service和controller層uj5u.com熱心網友回復:

我也不是很懂,但每個方法前貌似是要加@Transactional注解的
uj5u.com熱心網友回復:
樓上是注解式事務,題主用的配置式。uj5u.com熱心網友回復:
是的,但是就是配置的方式它不能回滾,不知道哪里出了問題
uj5u.com熱心網友回復:
有時候,服務軟體會忽略用戶的除錯代碼,就像軟體運行在release 版本下一樣,也就是說、throw 陳述句沒有被執行。可能是與服務程式的運行權、級別比較高有關。當軟體運行在一定的運行權限以上時,會自動忽略try, throw 這樣的除錯代碼。uj5u.com熱心網友回復:
終于排查到問題的原因了,寫下來供有需要的小伙伴參考:問題出在springmvc的組態檔中。如下配置,實際上不能達到僅掃描@Controller注解的目的。
<!-- 配置spring創建容器時要掃描的包 -->
<context:component-scan base-package="SSM">
<!-- 僅掃描Controller注解-->
<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
需要改成如下:
<!-- 配置spring創建容器時要掃描的包 -->
<context:component-scan base-package="SSM" use-default-filters="false">
<!-- 僅掃描Controller注解-->
<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
紅色部分是添加的內容,use-default-filters值默認是true。當為true時,只有<context:exclude-filter>標簽會生效,<context:include-filter>標簽不會生效。反之,當為false時,只有<context:include-filter>標簽會生效,<context:exclude-filter>標簽不會生效。總結就是true對應<context:exclude-filter>,false對應<context:include-filter>。
因此,最開始我沒有添加use-default-filters="false",所以<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>并不會生效或者說并不能達到我想要的只掃描@Controller注解的目的,仍然會掃描所有的注解,包括@service注解,所以會導致出錯,造成事務不能回滾。
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標籤:Web 開發
