Question

spawn lsof ENOENT

Im having issues with a failed deployment. based on the below log - i think - it is because the command “lsof” is not recognized - but i am not sure. I also have no idea how to go about fixing this, as lsof is not a call i am making but something from an npm installed package.


node:events:491
[2022-09-28 05:28:32]       throw er; // Unhandled 'error' event
[2022-09-28 05:28:32]       ^
[2022-09-28 05:28:32] 
[2022-09-28 05:28:32] Error: spawn lsof ENOENT
[2022-09-28 05:28:32]     at Process.ChildProcess._handle.onexit (node:internal/child_process:283:19)
[2022-09-28 05:28:32]     at onErrorNT (node:internal/child_process:478:16)
[2022-09-28 05:28:32]     at processTicksAndRejections (node:internal/process/task_queues:83:21)
[2022-09-28 05:28:32] Emitted 'error' event on ChildProcess instance at:
[2022-09-28 05:28:32]     at Process.ChildProcess._handle.onexit (node:internal/child_process:289:12)
[2022-09-28 05:28:32]     at onErrorNT (node:internal/child_process:478:16)
[2022-09-28 05:28:32]     at processTicksAndRejections (node:internal/process/task_queues:83:21) {
[2022-09-28 05:28:32]   errno: -2,
[2022-09-28 05:28:32]   code: 'ENOENT',
[2022-09-28 05:28:32]   syscall: 'spawn lsof',
[2022-09-28 05:28:32]   path: 'lsof',
[2022-09-28 05:28:32]   spawnargs: [ '-s', 'TCP:LISTEN', '-i', ':8302' ]
[2022-09-28 05:28:32] }

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Hi there,

Indeed, the lsof command would not be available by default on the App Platform due to the nature of the architecture. Is your project public? If so can you share it here so I could take a look at which package might be causing this problem?

Alternatively, what you could do is use a Dockerfile to package and deploy your project rather than the default build process:

https://docs.digitalocean.com/products/app-platform/reference/dockerfile/

That way, in your Dockerfile you will be able to define what packages get installed, including lsof.

Best,

Bobby