Recently, while trying to use my docker desktop to run a few of my containers; I got an unexpected error: Missing package “metro/src/lib/attachWebsocketServer”. Here is the snippet of the error I got:
Missing package "metro/src/lib/attachWebsocketServer"
I would like to share the steps that helped me to fix the Missing package “metro/src/lib/attachWebsocketServer” error:
Why the Missing package “metro/src/lib/attachWebsocketServer” error is seen ?
Missing package “metro/src/lib/attachWebsocketServer” error is seen because outdated expo or react native version. To fix the error, upgrade your React native to newer version using command “npx expo init –template@44.0.0”.
A simple and optimal solution is to fix the error Missing package “metro/src/lib/attachWebsocketServer”, upgrade your expo or react native version and that should fix the problem right away.
A detailed solution to understand theMissing package “metro/src/lib/attachWebsocketServer” error is provided below:
How to fix the Missing package “metro/src/lib/attachWebsocketServer” error ?
To fix the Missing package “metro/src/lib/attachWebsocketServer”; you will have to follow the below-mentioned steps to fix the error.
Step 1: You will have to upgrade your expo version by using
npm i expo --location=globalStep 2: If the error Missing package “metro/src/lib/attachWebsocketServer” , still persists try running the below-mentioned code
npx expo init --template@44.0.0 my-appThis should fix the error Missing package “metro/src/lib/attachWebsocketServer” .
Conclusion
Missing package “metro/src/lib/attachWebsocketServer” error is seen because outdated expo or react native version. To fix the error, upgrade your React native to newer version using command “npx expo init –template@44.0.0”.