IDEA连接数据库失败@localhost failed. [08001] Could not create connection to database server. Attempte

##关于IDEA连接mysql数据库失败 Connection to [email protected] failed. [08001] Could not create connection to database server. Attempted reconnect 3 times. Giving up. 我的这个错误的原因是URL后面缺少后缀 这个错误我的解决方法是在URL后面增加后缀：

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