Question

PM2 Start Appname Returning Error Cannot Find Modules in Ubuntu 18.04 LTS

This is my first nodejs app and when I try to run the app using PM2 then app start and immediately it’s become to errored and pm2 logs showing this

/root/.pm2/logs/app-out.log last 15 lines:
/root/.pm2/logs/app-error.log last 15 lines:
1|app      |     at Module.load (module.js:565:32)
1|app      |     at tryModuleLoad (module.js:505:12)
1|app      |     at Function.Module._load (module.js:497:3)
1|app      |     at Object.<anonymous> (/usr/local/lib/node_modules/pm2/lib/ProcessContainerForkLegacy.js:28:21) code: 'MODULE_NOT_FOUND' }
1|app      | { Error: Cannot find module 'express'
1|app      |     at Function.Module._resolveFilename (module.js:547:15)
1|app      |     at Module.Hook._require.Module.require (/usr/local/lib/node_modules/pm2/node_modules/require-in-the-middle/index.js:61:29)
1|app      |     at require (internal/module.js:11:18)
1|app      |     at Object.<anonymous> (/var/www/whatsclone/app.js:18:17)
1|app      |     at Module._compile (module.js:652:30)
1|app      |     at Object.Module._extensions..js (module.js:663:10)
1|app      |     at Module.load (module.js:565:32)
1|app      |     at tryModuleLoad (module.js:505:12)
1|app      |     at Function.Module._load (module.js:497:3)
1|app      |     at Object.<anonymous> (/usr/local/lib/node_modules/pm2/lib/ProcessContainerForkLegacy.js:28:21) code: 'MODULE_NOT_FOUND' }

I have tried sudo pm2 update | npm install | npm install express

Nothing fixed for me. Please help me

node -v
v8.10.0

npm -v
3.5.2

Thanks


Submit an answer

This textbox defaults to using Markdown to format your answer.

You can type !ref in this text area to quickly search our full set of tutorials, documentation & marketplace offerings and insert the link!

Sign In or Sign Up to Answer

These answers are provided by our Community. If you find them useful, show some love by clicking the heart. If you run into issues leave a comment, or add your own answer to help others.

Want to learn more? Join the DigitalOcean Community!

Join our DigitalOcean community of over a million developers for free! Get help and share knowledge in Q&A, subscribe to topics of interest, and get courses and tools that will help you grow as a developer and scale your project or business.

Are you running these commands in your project folder? It might be that these are not installed globally. Run this in your project folder:

npm install express --save

And also make sure you run your app from the project folder. Let me know if this works or got any more questions.