• [done ] Review the documentation: https://facebook.github.io/react-native
• [ done] Search for existing issues: https://github.com/facebook/react-native/issues
• [ done] Use the latest React Native release: https://github.com/facebook/react-native/releases

Environment

Environment:
OS: Windows 10
Node: 8.11.3
Yarn: Not Found
npm: 5.6.0
Watchman: Not Found
Xcode: N/A
Android Studio: Version 3.1.0.0 AI-173.4819257

Packages: (wanted => installed)
react: 16.3.1 => 16.3.1
react-native: 0.55.4 => 0.55.4

Description

cmd> react-native run-android
above command result in this issue, app cannot be loaded to emulator

Reproducible Demo

That is not a code issue, I suppose a environment or library issue. My project was working as it is a day before. For reference you can check below SO link:

https://stackoverflow.com/questions/47341120/js-server-not-recognized-continuing-with-build

Note: I have already seen a related issue but was closed, marked incomplete info.
Link here: #19292