[Reserved] windows port conflict

Charles did not know how many times, or remember it, no one remembers. . .

1. Check the port number

netstat -ano 

2. Find a process consumes port number

netstat -ano|findstr "8090"

LISTENING state to find the process number, I have here is 17020

3. Kill the process, the liberation of the port

taskkill /pid 17020 -t -f

4. success

Transfer method [ windows resolve conflicts port number ]