One Pixel Solid

If you’re running a Rails app locally on pow and get an ‘unknown process error’ , I’ve found the following to be quite a reliable fix:

1. Try restarting pow

$ touch tmp/restart.txt

If that doesn’t work it’s likely something is broken in your code. Sometimes pow doesn’t catch basic syntax errors.

2. Run the native Rails server

$ rails s

This should output the errors (if any) from your code.