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控制台报错Caused by: java.lang.reflect.InvocationTargetException: nullCaused by: java.lang.reflect.InvocationTargetException: null,endpoint is blank场景：需要把微服务的模块的配置加入到Nacos配置中心，方便管理和修改配置。但是在微服务模块pom文件中添加了注册发现nacos-discovery和配置中心nacos-config依赖，新建了bootstrap

No Feign Client for loadBalancing defined. Did you forget to include spring-cloud-starter-loadbalancer?项目场景：使用feign调用远程服务的时候，项目编译通过，没有任何的报错，但是在启动项目的时候，控制台出现错误：Caused by: java.lang.IllegalStateException: No Feign Client for loadBalancing defined. Did you

Web server failed to start. Port 10000 was already in use.场景：启动项目的时候控制台报错：Web server failed to start. Port 10000 was already in use原因：端口被占用了解决方法：首先打开CMD运行界面运行下面两个命令。查看端口命令命令：netstat -ano|findstr 端口关闭进程：taskkill /F /pid PID重新启动项目即可...

IDEA 控制台出现报错：org.springframework.beans.factory.BeanCreationException场景：项目的编译通过，没有报红，但是启动项目的时候出现报错，收集了许多资料，尝试过许多方法，但是依旧报错，最终找到了解决方式。org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframewo

MySQL数据库报错java.sql.SQLException: null, message from server: “Host ‘192.168.XXX’ is blocked because of many connection errors; unblock with ‘mysqladmin flush-hosts’”问题：IDEA启动项目时控制台报错：java.sql.SQLException: null, message from server: “Host ‘192.168.XX.XX’