wccJava

springboot多数据源配置启动一直报这个错啊，请问时怎么回事？

5

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userService': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userMapper' defined in file [D:\IDEA\idea2019\springboot\springboot-datasource\target\classes\com\spring\datasource\mapper\UserMapper.class]: Invocation of init method...