Is there anywhere that there are step by step instructions on how to install gems?
My google-fu is weak and those that I could find did not resolve my error.
My errors are detailed here:
Getting gcal4ruby gem to work
Basically my error sums up as:
gem installs properly and is detectable by,
but whenever I try to reference it in my application it just says:
Could not find 'gcal4ruby (= 0.0.5, runtime)' in any of the gem sources Try running 'bundle install'.
(* I tried bundle install -> no help *)
Your error states:
Could not find 'gcal4ruby (= 0.0.5, runtime)' in any of the gem sources Try running 'bundle install'.
It's looking for 0.0.5 of gcal4ruby, which you don't have installed, rather you're saying yourself that the gem list -d shows:
gcal4ruby (0.5.5)
Which is not the correct version. I would recommend attempting to discover what's trying to require this older version of gcal4ruby. I think it's in your Gemfile, but I have been known to be wrong occasionally.
If this answer doesn't solve your question, then please attach the errors you're getting and your Gemfile to your question.
As a guess, you are using rails 3? Rails 3 uses a project called bundler for dependencies, so instead of installing the gem in your system ruby, add gem 'gcal4ruby to the Gemfile in the root of your app. after that, a bundle install will install the gem locally into your app.
Bundler means that rails 3 apps have their gems completely isolated from the system gems. Even if the gem is installed in the system, it will not be accessible in the app.
Related
I have cloned from my github account a repo, I am getting the following error, when i run bundle install. i cant understand the reason for it. The repo had been pushed from my pc and now i am cloning it to my laptop
An error occurred while installing sassc (2.2.1), and Bundler cannot continue.
Make sure that `gem install sassc -v '2.2.1' --source 'https://rubygems.org/'` succeeds before bundling.
In Gemfile:
sass-rails was resolved to 6.0.0, which depends on
sassc-rails was resolved to 2.1.2, which depends on
sassc
This is a known issue:
https://github.com/sass/sassc-ruby/issues/153
Solution:
add gem 'sassc', '~> 2.1.0' to your gemfile.
run bundle install
This will force it to use sassc version 2.1.0 which doesn't have the compile issue with Rails 6.
As a tip, whenever a gem fails to install or conflicts with another gem, it's a good idea to go check out the gem itself. 99% of the time, the code is on GitHub.
If you're new to this, try following these steps:
Gems in your gemfile come from https://rubygems.org by default, so visit that site and search for the gem exactly as it's named in your gemfile. In this case, it's here: https://rubygems.org/gems/sassc
On the gem's info page, find links on the righthand side. Click 'homepage'. For sassc, it takes you to this URL: https://github.com/sass/sassc-ruby
Click on the issues tab and look for anything related to the thing you're struggling with. In this case, I found about 3. Read through those issues and see if people have posted solutions or work-arounds.
Happy gem hunting!
I'm working on a new project in Ruby, which I'm learning, and I need to install Sinatra gem and I'm getting the following error:
"Following gems were not installed: sinatra-sinatra (0.10.1): While
executing gem ... (Gem::UnsatisfiableDependencyError)
Unable to resolve dependency: 'sinatra-sinatra (= 0.10.1)' requires 'rack (>= 1.0)'"
Currently I'm using, RubyMine (Windows). Any help would be appreciated.
Thanks
The problem is not RubyMine, but some other dependency conflict in your app. The gem sinatra-sinatra requires Rack 1.0, there is probably another gem in your Gemfile that requires a greater or different version of the same gem.
Actually, I believe your problem can easily be fixed by using the proper gem. sinatra-sinatra is a very old gem, if you want to use the Sinatra framework the correct gem is sinatra. Update your Gemfile accordingly.
In you machine
gem install sinatra-sinatra
Check you Gemfile
gem 'sinatra-sinatra', '~> 0.10.1'
Delete the Gemfile.lock and bundle its once again.
I have updated all of my gems, including to Rails 3.2.8, prior to a new deployment. However, my application is now broken because something is trying to install gem "termios" version 0.9.4.
Apparently, 0.9.4 does not work on any computer or server I own. There are some newer versions, 0.9.6 specifically, but they are not posted in wherever bundler looks for gems.
There are some version on Github, but they have been mysteriously renamed "ruby-termios". Well, some gem in my Gemfile is not looking for ruby-termios. It's looking for termios. Failure.
How can I find out which gem is trying to install this so I can see if it can be whacked?
Check your Gemfile.lock - it has all the gems and their dependencies listed in it. As long as you've been able to install these gems in the past, you'll be able to tell where that dependency is coming from.
The gem command will dump out the tree of dependencies for you.
$ gem dependency
Or if you want to check just a specific gem.
$ gem dependency foo
I am making a Rails(3.0.4) application using the youtube_it API.
I installed the gem using gem install youtube_it, but when I run the script I get this error:
can't activate faraday (>= 0.7.3, runtime) for ["youtube_it-2.1.1"], already activated faraday-0.5.7 for ["instagram-0.8"]
How should I resolve this without removing the existing version of faraday?
First, you should be adding youtube_it to your Gemfile, then running bundle install.
This gives bundler enough information to figure out the dependency graph of all the gems your application needs. Bundler writes out the needed gems, their dependencies and versions to the Gemfile.lock file.
Second, when running the rails command, you shouldn't need to run bundle exec according to Yehuda Katz (http://yehudakatz.com/2011/05/30/gem-versioning-and-bundler-doing-it-right/). However, in my experience there have been times when bundle exec has been necessary even for the rails command.
In any case, running "bundle exec executable" will run your executable (rails, rake, etc) with the gems listed in the Gemfile.lock, avoiding the dreaded "can't activate -- already activated" error.
I don't think you can. You should update faraday to its latest version. Is there a valid reason not to?
I'm trying to create a RoR web application that allows people to connect to their accounts to google calendar.
I found a gem called gcal4ruby that seemed to do the right things based on looking at sample code and its documentation.
I ran gem install and the cmd claimed the installation was ok.
However, when I added the gem to my gemfile then try to run the server again I get:
Could not find 'gcal4ruby (= 0.0.5, runtime)' in any of the gem sources
Try running 'bundle install'.
Then I tried bundle install which basically gets me the message above and a line:
Fetching source index for http://rubygems.org/
Could not find 'gcal4ruby (= 0.0.5, runtime)' in any of the gem sources
Yet when I type in "gem list -d g", gcal4ruby (0.5.5) appears on the list.
I've tried adding in requires and includes but that just gets me uninitialized constant errors.
Other details that may be relevant:
ruby 1.8.7
rails 3.0.1
gem check --alien returns:
mysql-2.8.1-x86-mingw32 has 1 problems
.require_paths:
Extra file
*Note: This doesn't seem to negatively impact me when I'm doing anything though.
If possible, please supply tutorials/sites with samples of working code.
Cheers,
Zigu
Could you post your gemfile please?
I'm guessing your Gemfile reads
gem 'gcal4ruby', '0.0.5'
which means it will only look for that specific verison. So there are two ways to fix this.
Change it to minimum version syntax
gem 'gcal4ruby', '>= 0.0.5'
Change to correct specific gem version
gem 'gcal4ruby', '0.5.5'
Hope that helps