按照视频中的数据源配置，另外一个项目引入rabbit-parent模块然后启动，报一堆错误：

java.lang.IllegalStateException: Failed to introspect Class [com.bfxy.rabbit.producer.config.database.RabbitProducerMybatisMapperScanerConfig] from ClassLoader [sun.misc.Launcher$AppClassLoader@18b4aac2]

at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:481) ~[spring-core-5.2.5.RELEASE.jar:5.2.5.RELEASE]

at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:358) ~[spring-core-5.2.5.RELEASE.jar:5.2.5.RELEASE]

at org.springframework.util.ReflectionUtils.getUniqueDeclaredMethods(ReflectionUtils.java:414) ~[spring-core-5.2.5.RELEASE.jar:5.2.5.RELEASE]

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.lambda$getTypeForFactoryMethod$2(AbstractAutowireCapableBeanFactory.java:743) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE]

at java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1688) ~[na:1.8.0_131]

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getTypeForFactoryMethod(AbstractAutowireCapableBeanFactory.java:742) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE]

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineTargetType(AbstractAutowireCapableBeanFactory.java:681) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE]

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:649) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE]

at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1605) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE]

at org.springframework.beans.factory.support.DefaultListableBeanFactory.doGetBeanNamesForType(DefaultListableBeanFactory.java:523) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE]

at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:494) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE]

at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:616) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE]

at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:608) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE]

at org.springframework.context.support.AbstractApplicationContext.getBeansOfType(AbstractApplicationContext.java:1242) ~[spring-context-5.2.5.RELEASE.jar:5.2.5.RELEASE]

at org.springframework.boot.SpringApplication.getExitCodeFromMappedException(SpringApplication.java:869) [spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE]

at org.springframework.boot.SpringApplication.getExitCodeFromException(SpringApplication.java:857) [spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE]

at org.springframework.boot.SpringApplication.handleExitCode(SpringApplication.java:844) [spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE]

at org.springframework.boot.SpringApplication.handleRunFailure(SpringApplication.java:795) [spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE]

at org.springframework.boot.SpringApplication.run(SpringApplication.java:325) [spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE]

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) [spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE]

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) [spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE]

at com.luban.boot.Application.main(Application.java:15) [classes/:na]

Caused by: java.lang.NoClassDefFoundError: org/mybatis/spring/mapper/MapperScannerConfigurer

at java.lang.Class.getDeclaredMethods0(Native Method) ~[na:1.8.0_131]

at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) ~[na:1.8.0_131]

at java.lang.Class.getDeclaredMethods(Class.java:1975) ~[na:1.8.0_131]

at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:463) ~[spring-core-5.2.5.RELEASE.jar:5.2.5.RELEASE]

... 21 common frames omitted

Caused by: java.lang.ClassNotFoundException: org.mybatis.spring.mapper.MapperScannerConfigurer

at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[na:1.8.0_131]

at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_131]

at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335) ~[na:1.8.0_131]

at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_131]

... 25 common frames omitted

而且在idea中这个位置不知道为什么一直是红色：