【Sping Cloud项目启动报A component required a bean of type 'com.tianyan.bbc.dao.SecurityUserBaseMapper' that could not be found.】的更多相关文章

Sping Cloud项目启动报A component required a bean of type 'com.tianyan.bbc.dao.SecurityUserBaseMapper' that could not be found.

项目构建正常,启动和Debug报以下错误: Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.2018-12-14 09:49:32.038 [main] ERROR o.s.b.diagnostics.LoggingFailureAnalysisReporter - ***************************…

Java报错: A component required a bean of type 'com.sirifeng.testmybatis.mapper.BookMapper' that could not be found.

在学习Spring-boot-mybatis时,报错A component required a bean of type 'com.sirifeng.testmybatis.mapper.BookMapper' that could not be found. 后来发现是在启动器上没有添加注解 @MapperScan("com.sirifeng.testmybatis.mapper")如有这个错误的可以看一下是不是因为这个原因.…

STS中不同包但相同类名引起的问题：A component required a bean of type 'javax.activation.DataSource' that could not be found

1. 问题输出: APPLICATION FAILED TO START*************************** Description: A component required a bean of type 'javax.activation.DataSource' that could not be found. Action: Consider defining a bean of type 'javax.activation.DataSource' in your con…

springboot 启动报错Consider defining a bean of type 'com.example.springbootdruid.mapper.UserMapper' in your configurati

一.问题 springboot项目启动时报错: Field userMapper in com.example.springbootdruid.service.impl.UserServiceImpl required a bean of type 'com.example.springbootdruid.mapper.UserMapper' that could not be found. 原因是因为没有扫描到对应的类 二.解决方式: 1.检查配置文件是否写对: 在springboot的配置文…

spring cloud gateway网关启动报错：No qualifying bean of type 'org.springframework.web.reactive.DispatcherHandler'

网关配置好后启动报错如下: org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is java.lang.RuntimeException: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'servletEndpoint…

SpringBoot中service注入失败(A component required a bean of type 'XXService' that could not found)

先写了JUnit,发现启动不了,注释掉有问题的service也不可以.可能是因为spring开始时会加载所有service吧. 按照网友们的说法,一般需要检查: 1.入口类有没有写MapperScan 我写了,没问题:) @MapperScan(basePackages="com.example.demo.mapper") 2.该service对应的dao接口上没写@Mapper 我写了,没问题:) 3.@Service里的字符串与该service名称不一致 由于我这个service是…

SpringBoot扫描不到类，注入失败A component required a bean of type 'XXService' that could...

SpringBoot项目的Bean装配默认规则是根据Application类所在的包位置从上往下扫描! “Application类”是指SpringBoot项目入口类.这个类的位置很关键: 如果Application类所在的包为:com.boot.app,则只会扫描com.boot.app包及其所有子包,如果service或dao所在包不在com.boot.app及其子包下,则不会被扫描! 即, 把Application类放到dao.service所在包的上级,com.boot.Applicat…

运行springboot项目报错：Field userMapper in XX required a bean of type 'xx' that could not be found.

运行springboot项目报错: *************************** APPLICATION FAILED TO START *************************** Description: Field userMapper in com.whohim.springboot.service.impl.UserServiceImpl required a bean of type 'com.whohim.springboot.dao.UserMapper' t…

a commponent required a bean of type XXXXXX that could not be found-2022新项目

一.问题由来 目前刚入职一家新公司不久,公司的新项目采用DDD驱动领域设计来进行开发,架构这一块使用的是阿里巴巴开源的最新框架COLA4.0的架构. 主要是这个框架里面的分层设计.主要分为四层:adapter适配层类似于以前的Controller层:app层类似于以前的Service层:domain层是领域层:还有 一个infrastructure层表示基础设施服务层,提供基础服务,比如数据库服务.项目还是进行设计阶段,自己主要负责开发这一块.由于大家都是刚开始 接触DDD这个新知识,因此还有很…

【spring boot】mybatis启动报错：Consider defining a bean of type 'com.newhope.interview.dao.UserMapper' in your configuration. 【Mapper类不能被找到】@Mapper 和@MapperScan注解的区别

启动报错: 2018-05-16 17:22:58.161 ERROR 4080 --- Disconnected from the target VM, address: '127.0.0.1:50529', transport: 'socket' [ restartedMain] o.s.b.d.LoggingFailureAnalysisReporter : *************************** APPLICATION FAILED TO START **********…