我正在尝试在XAMPP中升级我的mysql。 PHP版本=＆gt; 5.6.3 旧的mysql版本=＆gt; 5.6.21需要升级=＆gt; 5.7.22（仅可在5.7系列中下载）
我按照以下步骤升级：
Download latest MySQL but download the zip file not the MSI
Unzip the zip file to a location.
Shutdown Mysql process (no need to remove service) from XAMPP control panel.
Go to XAMPP folder, rename mysql folder to mysql_old
Copy the new unzipped mysql folder to XAMPP folder, in it delete the data folder.
Copy over the data folder from the mysql_old to the new mysql folder.
Copy over the my.ini file under mysql_old/bin to mysql/bin.
Copy over other ini and executable files from mysql_old root folder to mysql (XAMPP ini files, my-huge.ini, my-small.ini, etc..). in my case i copied my-default.ini
Run mysql process from XAMPP control panel. Should work. (You may need
to kill XAMPP first).-->Here I struck out and facing mysql shutdown error.
(OPTIONAL) Run mysql/bin/mysql_upgrade.exe -u USERNAME -p to update tables in the local databases that may have problems due to the version change.
我试过了 1.像其他人建议的那样，在my.ini文件中将端口更改为3307,3306,8111。 2.转到mysql / data /目录 删除ibdata1＆amp; ib_logfile *（ib_logfile0，ib_logfile1，ib_logfile101）文件 重启xampp服务器
mysql_error.log显示以下内容： 2018-05-04T06：31：04.062353Z 0 [注意] c：\ mysql-upgradexampp \ sm3 \ xampp \ mysql \ bin \ mysqld.exe（mysqld 5.7.22）从流程9428开始...
我以管理员身份运行XAMPP控制面板，但仍显示
Error: MySQL shutdown unexpectedly.
[mysql] This may be due to a blocked port, missing dependencies,
[mysql] improper privileges, a crash, or a shutdown by another method.
[mysql] Press the Logs button to view error logs and check
[mysql] the Windows Event Viewer for more clues
[mysql] If you need more help, copy and post this
[mysql] entire log window on the forums
使用命令提示符，我收到以下错误 \ mysql \ bin＆gt; mysql -u root -p 输入密码： ERROR 2003（HY000）：无法连接到'localhost'（10061）上的MySQL服务器
请有人给出建议解决。谢谢