oauth2 请求/oauth/token接口,postman测试获取token报错

&&
后端NoSuchBeanDefinitionException异常
WARN 14552 --- [io-10040-exec-7] o.s.s.o.provider.endpoint.TokenEndpoint : Handling error :
NoSuchBeanDefinitionException, No qualifying bean of type 'org.springframework.transaction.TransactionManager' available