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$ yarn start

Failed to compile.

Cannot read property 'compilation' of undefined

error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
error Command failed with signal "SIGTERM".
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
ERROR: "start-js" exited with 1.
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

I'm using Ubuntu 18.04.4 LTS. Sometimes it worked usually after a restart, I have matched all the node, npm and yarn version its fine. I have tried removing the node_modules. And sometimes its also show this error.

{ [Error: EPIPE: broken pipe, write] errno: -32, code: 'EPIPE', syscall: 'write' }

In package.json scripts

"start-js": "react-scripts start",
"start": "HTTPS=true PORT=8100 REACT_APP_OPEN_TO_URL=https://xyz.University.com/localhost npm-run-all -p watch-css start-js",
Adarsh Pawar
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1 Answers1

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You need to install this plugin specify your webpack version

npm install --save-dev uglifyjs-webpack-plugin@1

For more info you can refer this url https://github.com/webpack-contrib/uglifyjs-webpack-plugin/issues/360

Anku Singh
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