实体类明明存在，但就是找不到

Question

500错误
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [spring-mapper.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse config resource: class path resource [mybatis-config.xml]; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.builder.BuilderException: Error registering typeAlias for 'Books'. Cause: java.lang.ClassNotFoundException: Cannot find class: com.OCTDN.pojo.Books

org.springframework.core.NestedIOException: Failed to parse config resource: class path resource [mybatis-config.xml]; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.builder.BuilderException: Error registering typeAlias for 'Books'. Cause: java.lang.ClassNotFoundException: Cannot find class: com.OCTDN.pojo.Books

org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.builder.BuilderException: Error registering typeAlias for 'Books'. Cause: java.lang.ClassNotFoundException: Cannot find class: com.OCTDN.pojo.Books

org.apache.ibatis.builder.BuilderException: Error registering typeAlias for 'Books'. Cause: java.lang.ClassNotFoundException: Cannot find class: com.OCTDN.pojo.Books

java.lang.ClassNotFoundException: Cannot find class: com.OCTDN.pojo.Books

Answer 1

<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <property name="configLocation" value="classpath:mybatis-config.xml"/>
    </bean>