Upload Jruby on rails on Google App Engine - cannot find gem appengine-rack

Question

Just trying to deploy a simple Jruby on rails app on Google App Engine but falling at first hurdle. I've been following instructions on https://code.google.com/p/appengine-jruby/ and a few other websites. I've installed the gem 'google-appengine' as instructed and Command Prompt tells me that it's installed.

As I started typing require 'appengine-rack' in my config.ru, I can see that my IDE tells me it doesn't recognise this file. I fire up the local server anyway just as a test and it tells me that "LoadError: no such file to load -- appengine-rack".

I can clearly see in C:\jruby-1.7.3\lib\ruby\gems\shared\gems\appengine-rack-0.0.13\lib\ . So I'm a bit stumped. When I run >gem list, I can also see that this gem is there.

I'm doing this for the first time.

I'm using Windows 7. Jruby version 1.7.3. Rails 3.2.1.

Thanks in advance.

Answer 1

Looks like the project you are trying to use is rather old, (last commit date is Date: Mar 30, 2011). And it is written there that they are only planing to have a support of version 3.x.

Anyway here is the answer to your question(rather old too) Unable to get google-appengine for Jruby to work

And this search could be helpful https://stackoverflow.com/questions/tagged/google-app-engine+ruby

From rational point of view it is not very good idea to use this gems for production. If you need cloud hosting for your ruby procejct heroku would be a solution. If you require appengine - you better go Java, Python or Go which are officially supported.