出了问题,先根据提示仔细检查,再去百度。【敲黑板:由于颇有可能由于粗心碰到的问题百度到的只是相似的,而不同,那样排查起来更费时!!】mysql
此次问题就在于,不要轻易相信IDEA的自动填充!!!spring
----------------正确-------------- spring: datasource: driver-class-name: com.mysql.cj.jdbc.Driver url: jdbc:mysql://localhost:3306/tensquare_article?characterEncoding=utf-8 username: root password: 123456 ---------------错误------------------- spring: datasource: driver-class-name: com.mysql.cj.jdbc.Driver url: jdbc:mysql://localhost:3306/tensquare_article?characterEncoding=utf-8 username: root data-password: 123456 #自动填充的是 data-password 而后就using password: NO