SocketProtocolError: Socket hung up while developing

Expo Development Tools
1

Hi guys,

I’m constantly (5-10sec) getting SocketProtocolError: Socket hung up while developing locally and using iOS Simulator, Android Simulator or my iOS device. I’m also getting the error when using expo init my-app so it should not be related to my own code base.

I was using it with React Native Debugger and without. All weeks before everything has been working fine.

This is my setup:
Expo CLI 3.28.2 environment info:
System:
OS: macOS 10.15.7
Shell: 5.7.1 - /bin/zsh
Binaries:
Node: 12.16.0 - ~/.nvm/versions/node/v12.16.0/bin/node
Yarn: 1.22.0 - ~/.nvm/versions/node/v12.16.0/bin/yarn
npm: 6.13.4 - ~/.nvm/versions/node/v12.16.0/bin/npm
SDKs:
iOS SDK:
Platforms: iOS 14.1, DriverKit 19.0, macOS 10.15, tvOS 14.0, watchOS 7.0
IDEs:
Android Studio: 4.1 AI-201.8743.12.41.6858069
Xcode: 12.1/12A7403 - /usr/bin/xcodebuild
npmPackages:
expo: ^39.0.0 => 39.0.3
react: 16.13.1 => 16.13.1
react-dom: 16.13.1 => 16.13.1
react-native: https://github.com/expo/react-native/archive/sdk-39.0.3.tar.gz => 0.63.2
react-native-web: ~0.13.7 => 0.13.18
npmGlobalPackages:
expo-cli: 3.28.2
Expo Workflow: managed

2

Okay, I solved it: It was due to not connecting to React Native Debugger properly by using Debug Remote JS

3

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