In one of m project I am using Jammit which provides both the CSS and JavaScript concatenation, compression and also provides built-in JavaScript template support.

Installed jammit gem.

gem install jammit

Added to gem file.

gem 'jammit'

Started my server and got error no such file to load — win32/open3 (LoadError)

Then I installed the win32-open3 gem.

gem install win32-open3

Again started the server got the same error and then I added it in gemfile.

gem 'win32-open3'

Things started working properly.

The application I work is a javascript-heavy application and Jammit helps me to organize the javascript and css files in a better way which made my code look nicer.

The other cool thing I liked about Jammit is that it provides built-in JavaScript template support which is more elegant .

I use underscore.js templating engine in my application, Now I am slowly migrating to Jammit way of templating which is very handy.

Thanks Jammit

Tags: jammit, Javascript, Ruby, Ruby on Rails, underscore.js, win32-open3
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One Response to “Jammit installation issue (no such file to load — win32/open3 (LoadError)) in Windows”

1. Diego says:

   April 21, 2011 at 9:47 PM

   Hi I am also big fun of underscore while I do not use(yet) Jammit.

   I think underscore fills the gap left by JQuery and I will definitively embed it in my future projects.

   BTW, I have discuss also the topic: http://a-developer-life.blogspot.com/2011/03/some-useful-javascript-resources.html