java连接mysql5.7报错Access denied for user 'root'@'localhost' (using password: YES)解决
2017-07-30 22:28
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第一情况mysql工具连接mysql报错 如sqlyong或navicat
注意:MySQL5.7
MySQL.user表没有password字段,改 为authentication_string;
解决:
打开MySQL目录下的my.ini文件,在文件的最后添加一行“skip-grant-tables”,保存并关闭文件。(WIN7默认安装,my.ini在C:\ProgramData\MySQL\MySQL Server 5.6)重启MySQL服务。
通过命令行进入MySQL的BIN目录,输入“mysql -u root -p”(不输入密码),回车即可进入数据库。(WIN7默认安装,BIN目录为:C:\Program Files\MySQL\MySQL Server 5.6\bin)
执行“use mysql;”,使用mysql数据库。
执行“ update MySQL.user set authentication_string=password('123456') where user='root'”(修改root的密码)
打开MySQL目录下的my.ini文件,删除最后一行的“skip-grant-tables”,保存并关闭文件。
重启MySQL服务。
在命令行中输入“mysql -u root -p 123456”,即可成功连接数据库。
第二种情况mysql工具可以链接 服务器报错
解决:properties文件值后面一定不要有空格!!!
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