How to upgrade the rack gem from v2 to v3 for rails 7?
If you try to use:
gem 'rack', '>= 3'
Bundle will show you the result of the upgrade:
Bundler could not find compatible versions for gem "rack":
In Gemfile:
rack (>= 3)
rails (~> 7.0.4) was resolved to 7.0.4, which depends on
actionpack (= 7.0.4) was resolved to 7.0.4, which depends on
rack (~> 2.0, >= 2.2.0)
For the beginning of 2023 it's not possible to upgrade rack to v3 for rails v7.0 because it's not prepared yet. Please follow this PR to get the latest information on the ongoing process:
https://github.com/rails/rails/pull/46594
https://github.com/rails/rails/pull/47052
Related
I'm trying to update my Rails app currently 4.1.4 using:
gem 'rails', '>= 5.0.0.rc2', '< 5.1'
After adding that to my gemfile and running bundle update rails
I get the message below (amongst other messages):
Bundler could not find compatible versions for gem "actionpack":
In Gemfile:
activerecord-session_store (~> 1.1.1) was resolved to 1.1.1, which depends on
actionpack (>= 4.0)
jquery-fileupload-rails (~> 0.4.7) was resolved to 0.4.7, which depends on
actionpack (>= 3.1)
rails (< 5.1, >= 5.0.0.rc2) was resolved to 5.0.0.rc2, which depends on
actionpack (= 5.0.0.rc2)
rspec-rails (~> 3.5.2) was resolved to 3.5.2, which depends on
actionpack (>= 3.0)
Is this saying, that rspec-rails is limiting the upgrade to 3.0? Is this compatible because it is saying that everything is rails 3.0 or greater? I'm trying to figure out what version it is telling me is conflicting the upgrade with this gem.
Please let me know.
Thanks!
This is the error I'm getting with bundle update:
Bundler could not find compatible versions for gem "railties":
In Gemfile:
coffee-rails (~> 4.1.0) was resolved to 4.1.0, which depends on
railties (< 5.0, >= 4.0.0)
rails (~> 5.2) was resolved to 5.2.0, which depends on
railties (= 5.2.0)
sass-rails (~> 5.0) was resolved to 5.0.7, which depends on
railties (< 6, >= 4.0.0)
web-console (~> 2.0) was resolved to 2.3.0, which depends on
railties (>= 4.0)
I tried to check my rails -v and it told me to run bundle update and when I did, I got this error. Can anyone help ? I'm quite lost
This error occurs because Bundler attempts to satisfy the version requirements of the dependencies, but is unable to do so as rails 5.2.0 requires the gem railties in the version 5.2.0, while coffee-rails 4.1.0 needs a version of railties which is less than 5.0 but greater than or equal 4.0.0. Those two requirements are conflicting with each other.
Luckily, solving that problem is really easy: all you need to do is to bump the version requirement of the coffee-rails gem to ~> 4.2. This can be done by changing the line gem "coffee-rails", "~> 4.1.0" (or similar) in your Gemfile to the following:
gem "coffee-rails", "~> 4.2"
After that change, bundle update should work just fine.
I changed the rails line in my app's Gemfile from:
gem 'rails', '4.2.3'
To:
gem 'rails', '5.0.0'
Per the rails documentation on the upgrade process. I then ran bundle update rails. I then hit a roadblock:
Bundler could not find compatible versions for gem "railties":
In Gemfile:
dotenv-rails (= 2.0.2) was resolved to 2.0.2, which depends on
railties (~> 4.0)
rails (= 5.0.0) was resolved to 5.0.0, which depends on
railties (= 5.0.0)
As I understand, railties is part of rails? So that seemed weird. To humor the error, I added:
gem 'railties', '5.0.0'
Then bundle update railties yields:
Bundler could not find compatible versions for gem "activerecord":
In snapshot (Gemfile.lock):
activerecord (= 4.2.3)
In Gemfile:
annotate was resolved to 2.7.2, which depends on
activerecord (< 6.0, >= 3.2)
rails (= 5.0.0) was resolved to 5.0.0, which depends on
activerecord (= 5.0.0)
I follow the rabbithole and add:
gem 'activerecord', '5.0.0'
bundle update activerecord yields...
You have requested:
railties = 5.0.0
The bundle currently has railties locked at 4.2.3.
Try running `bundle update railties`
The whole reason I am even updating active record is so that I can update railties... it's running me in circles.
If I run bundle update with my full Gemfile now (activerecord and railties added):
Bundler could not find compatible versions for gem "railties":
In Gemfile:
devise (~> 3.5.6) was resolved to 3.5.6, which depends on
railties (< 5, >= 3.2.6)
rails (= 5.0.0) was resolved to 5.0.0, which depends on
railties (= 5.0.0)
rails (= 5.0.0) was resolved to 5.0.0, which depends on
railties (= 5.0.0)
I'll admit I'm not a total pro at this process. Is there anything I am missing? Has anyone experienced something like this during their upgrade process?
First error means bundle update dotenv-rails, if you are restricting the version make sure it's to one that supports railties 5. Based on your updates, it seems you are in a older devise too. So try to update both at the same time:
bundle update dotenv-rails devise, make sure you read the update notes in dotenv-rails and devise and change anything that needs to be change in your code.
My advise: go to the closest version that supports rails 5 first, so for devise that's 4.0.3 and dotenv-rails 2.1.2. Set this restrictions in your Gemfile before you bundle update. Only after you update this gems successfully attempt to update rails. Add any other gem that comes up to this same process.
I've got a project that uses Rails 4.2.4, Mongoid 4 and I'd like to upgrade to Rails 5.1.0.rc1 and Mongoid 6.1.0.
I've followed the instructions [here] (http://railsapps.github.io/updating-rails.html) however when I run the command bundle update I get the following error:
Bundler could not find compatible versions for gem "rack":
In Gemfile:
rails (= 5.1.0.rc1) was resolved to 5.1.0.rc1, which depends on
actionpack (= 5.1.0.rc1) was resolved to 5.1.0.rc1, which depends on
rack (~> 2.0)
sinatra (>= 1.3.0) was resolved to 1.3.0, which depends on
rack (~> 1.3)
Any ideas of why?
How can I use rack 1.3.0 with rails. I tried putting gem 'rack', '1.3.0' in Gemfile and did bundle update rack but it says
Bundler could not find compatible versions for gem "rack":
In Gemfile:
rails (= 3.0.9) depends on
rack (~> 1.2.1)
rack (1.3.0)
I am having issues with rack version <= 1.2.3 here lib/rack/utils.rb#L495. I don't see this in rack 1.3.0, so wanted to give a try. But clearly rails is not allowing to use rack 1.3.
Is there any workaround?
The short answer is: you can't use rack 1.3 with Rails 3.0. As the error states, Rails 3.0.9 depends on Rack 1.2.x with x >= 1.
If you need rack 1.3, you should try Rails 3.1 which currently depends on rack ~> 1.3.2 (i.e. 1.3.x with x >= 2). An alternative could be to change the actionpack gemspec locally to require rack 1.3. But then you are on your own and there will probably be grues coming out of holes and eating all your loved ones...