'ipconfig' is not an internal or external command, nor is it a runnable program or batch file.

visit github when ,ERR_CONNECTION_REFUSED, The solution given is ： stay CMD Command line window , function ipconfig /flushdns command

'ipconfig' Not an internal or external command , Nor are they runnable programs or batch files .

find ipconfig.exe directory ;
Add to environment variables --> In the system variable path Add C:\Windows\System32
But I tried , I don 't think I can ;
This time is to say , We need to find it on the computer ipconfig.exe
Use everything Look for , Find the ipconfig.exe The file directory where it is located
Here again C:\Window\System32
also C:\Window\SysWOW64

Add the selected two root paths to path in  

 

  Then reopen cmd
Shortcut key window + R Input cmd

Then we can solve our needs . Book to time side hate less , It's on paper . come on. .2022 year 5 month 26 Japan 19:40:28

There's more Tomcat See my other article on configuration ：idea To configure JDK、Tomcat

• ‘java‘ Not an internal or external command , It's not a runnable program Or batch files
• 【nodejs】node Not an internal or external command
• 'flutter' Not an internal or external command , It's not a runnable program Or batch files .