Solve uninitialized constant ActiveSupport::Dependencies::Mutex (NameError) in Rails 2.3.8

Hi all

If you get stuck with this strange error of uninitialized constant ActiveSupport::Dependencies::Mutex (NameError) don’t worry.

Just follow the steps below :-

gem update –system 1.5.3

once its installed successfully do gem list and see if you have any other versions of rubygems-update already installed. If so remove all the others apart from 1.5.3

Once you do that run the following command

update_rubygems

The above command will show that 1.5.3 is installed. Do confirm the same by checking the gem version gem -v

Hope this helps. In case you have any query related to this do post a comment and I will get back ASAP

Njoi

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