--- title: Public Key Retrieval is not allowed url: 'https://yayi.site/archives/publickeyretrievalisnotallowed' categories: javaweb cover: 'https://cdn.jsdelivr.net/gh/yan-bolan/picbed/img/动漫/結城友奈は勇者である/犬吠·埼 風.png' abbrlink: 8a69a4f9 date: 2019-10-16 23:06:20 updated: 2021-05-14 22:02:17 tags: --- 很多种可能。 有一种是url问题 URI = "jdbc:mysql://localhost:3306/user?useSSL=false\&serverTimezone=UTC"; 传三个参数试试 DriverManager.getConnection(URI,USER,PASS);