'npm says port is allready in even if you change the port
Recently I have started to use React Native and I didn't want to use Android Studio, so I manually installed every thing including hyper-v but after that I have a really strange problem if I put any port in .env file when I run npm start it saying that the port is in use!
And the other issue was when I was using JetBrains' products (like WebStorm) it won't start. I found this in log files :
java.net.BindException: Address already in use: bind
And the most strange thing was that the ports were not in use !
So after a week I found the solution .
Sources
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Source: Stack Overflow
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