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i have a project with rails 4.2 and mysql database. but when i do heroku run rake db:migrate result is:

Running `rake db:migrate` attached to terminal... up, run.1461
/usr/bin/env: ruby2.2: No such file or directory

and i don't have bin in my .gitignore.

in my heroku logs i have two errors:

heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=serene-ocean-1351.herokuapp.com request_id=a40f485d-e55e-4246-b863-a8b13a3b89fa fwd="199.189.106.136" dyno= connect= service= status=503 bytes=
heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=serene-ocean-1351.herokuapp.com request_id=3404e956-71db-4530-be1f-ce6f3f23a857 fwd="199.189.106.136" dyno= connect= service= status=503 bytes=
Zakaria
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  • try this: http://stackoverflow.com/questions/13496827/heroku-deployment-error-h10-app-crashed – dimitry_n Feb 18 '15 at 21:59
  • when i run `heroku run rails console`, i get this error: `/usr/bin/env: ruby2.2: No such file or directory` – Zakaria Feb 18 '15 at 22:15

2 Answers2

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Look up files in the bin directory of the project, in the first line will be 

#!/usr/bin/env ruby2.2

you have to simply change it to

#!/usr/bin/env ruby
aytigra
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If you have just upgraded to Rails 4 then try the following to update Heroku's binaries to support your commands.

$ heroku run rake rails:update:bin --app serene-ocean-1351

nibbex
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