Heroku Keeps tying to install Ruby 1.9.3 even after I upgrade my app to 2.5.1

Question

I just upgraded an old app from Heroky running ruby on rails. I upgraded both ruby 1.9.3 to 2.5.1 and rails 3.2 to 5.2.0.

Then I created a new app on Heroku and try to deploy, but I keep getting an error message saying Heroku cannot install 1.9.3.

Here is the error log:

remote: Compressing source files... done.
remote: Building source:
remote:
remote: -----> Ruby app detected
remote: -----> Compiling Ruby/Rails
remote:        Command: 'set -o pipefail; curl -L --fail --retry 5 --retry-delay 1 --connect-timeout 3 --max-time 30 https://s3-external-1.amazonaws.com/heroku-buildpack-ruby/heroku-16/ruby-1.9.3-p551.tgz -s -o - | tar zxf - ' failed on attempt 1 of 3.
remote:        Command: 'set -o pipefail; curl -L --fail --retry 5 --retry-delay 1 --connect-timeout 3 --max-time 30 https://s3-external-1.amazonaws.com/heroku-buildpack-ruby/heroku-16/ruby-1.9.3-p551.tgz -s -o - | tar zxf - ' failed on attempt 2 of 3.
remote:  !
remote:  !     An error occurred while installing ruby-1.9.3-p551
remote:  !
remote:  !     Heroku recommends you use the latest supported Ruby version listed here:
remote:  !     https://devcenter.heroku.com/articles/ruby-support#supported-runtimes
remote:  !
remote:  !     For more information on syntax for declaring a Ruby version see:
remote:  !     https://devcenter.heroku.com/articles/ruby-versions
remote:  !
remote:  !
remote:  !     Debug InformationCommand: 'set -o pipefail; curl -L --fail --retry 5 --retry-delay 1 --connect-timeout 3 --max-time 30 https://s3-external-1.amazonaws.com/heroku-buildpack-ruby/heroku-16/ruby-1.9.3-p551.tgz -s -o - | tar zxf - ' failed unexpectedly:
remote:  !
remote:  !     gzip: stdin: unexpected end of file
remote:  !     tar: Child returned status 1
remote:  !     tar: Error is not recoverable: exiting now
remote:  !
remote:  !     Push rejected, failed to compile Ruby app.
remote:
remote:  !     Push failed
remote: Verifying deploy...
remote:
remote: !   Push rejected to nbmen-staging.
remote:
To https://git.heroku.com/nbmen-staging.git
 ! [remote rejected] master -> master (pre-receive hook declined)

In my Gemfile, I have:

source 'https://rubygems.org'
ruby '2.5.1'
gem 'rails', '5.2.0'

In Gemfile.lock, I have: RUBY VERSION ruby 2.5.1p57

BUNDLED WITH
   1.16.1

There is also a .rbenv-version file and I changed the content from 1.9.3 to 2.5.1.

And I still gets the "An error occurred while installing ruby-1.9.3-p551" message. What am I missing?

andrew21 andrew21 · Accepted Answer · 2018-05-18T20:46:20

seems like you may have an old/unrealeased heroku buildpack, as the bundler version is not being output in your build (and consequently you may be using an old bulder version).

What I would have expected to see is:

-----> Ruby app detected
-----> Compiling Ruby/Rails
-----> Using Ruby version: ruby-2.5.1
-----> Installing dependencies using bundler 1.15.2
...

To check your buildpack:

$ heroku buildpacks
=> heroku/ruby

If it doesn't output heroku/ruby, then you are running an old/unreleased buildpack

To install the latest buildpack:

heroku buildpacks:set heroku/ruby

For more information: https://devcenter.heroku.com/articles/bundler-version

Heroku Keeps tying to install Ruby 1.9.3 even after I upgrade my app to 2.5.1

2 Answers