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nodejs 安装express最简洁的方法 三步

vscode常用快捷键,不断添加!

springboot使用CommonsMultipartResolver上传报错java.lang.ClassCastException

java.sql.SQLException: null, message from server: "Host '118.113.99.52' is not allowed to connect t

1

WrongArgumentException: Malformed database URL,failed to parse the main URL sections

连接数据库查找数据的时候报错:WrongArgumentException: Malformed database URL,failed to parse the main URL sections
是URL的格式问题,各种百度,发现根本在于mysql驱动的版本。

开始用的:
1、mysql为5.1.47版本


cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection;

cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure


“宝塔面板怎么部署java项目”已解决!

作者:admin , 分类:未分类 , 浏览:335 , 评论:0

springboot整合knife4j-mybatis-plus

spring:
 
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