maven项目启动报错；class path resource [com/ssm/mapping/] cannot be resolved to URL because it does not exist

项目启动报了一堆错误，其实都是class path resource [com/ssm/mapping/] cannot be resolved to URL because it does not exist这一个错误引起的

原来的session工厂的配置是这样写的

<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"></property>
        <!-- 自动扫描entity目录, 省掉Configuration.xml里的手工配置 -->
        <property name="mapperLocations" value="classpath:com/ssm/mapping/*.xml"></property>
    </bean>

把classpath后加上*号，所有的问题都解决了，更改后的代码

<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"></property>
        <!-- 自动扫描entity目录, 省掉Configuration.xml里的手工配置 -->
        <property name="mapperLocations" value="classpath*:com/ssm/mapping/*.xml"></property>
    </bean>