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POUsing passenger to run both Rails 3.0 and Rails 3.1 app (using different rvm gemsets)
 

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    <p>I just followed <a href="https://rvm.beginrescueend.com/integration/passenger" rel="nofollow">these directions</a> for installing a new rvm gemset and installing rails-3.1.0.rc2 on my local machine. At first I was getting a Passenger error saying the rake-0.9.2 gem could not be loaded, but I found <a href="https://rvm.beginrescueend.com/integration/passenger" rel="nofollow">this</a> reminding me to run "$ passenger-install-apache2-module". It installed fine prompted me to add the following to my Apache config file (/etc/apache2/httpd.conf):</p> <pre><code>LoadModule passenger_module /Users/robs/.rvm/gems/ruby-1.9.2-p180@rails-3.1/gems/passenger-3.0.7/ext/apache2/mod_passenger.so PassengerRoot /Users/robs/.rvm/gems/ruby-1.9.2-p180@rails-3.1/gems/passenger-3.0.7 PassengerRuby /Users/robs/.rvm/wrappers/ruby-1.9.2-p180@rails-3.1/ruby </code></pre> <p>However, there are already three lines there from a different gemset:</p> <pre><code>LoadModule passenger_module /Users/robs/.rvm/gems/ruby-1.9.2-p180@rails-3.0/gems/passenger-3.0.7/ext/apache2/mod_passenger.so PassengerRoot /Users/robs/.rvm/gems/ruby-1.9.2-p180@rails-3.0/gems/passenger-3.0.7 PassengerRuby /Users/robs/.rvm/wrappers/ruby-1.9.2-p180@rails-3.0/ruby </code></pre> <p>If I leave both sets of lines there uncommented (the @rails-3.1 gemset's is last), and restart Apache, my Rails 3.0 app won't start. I find myself having to comment out the rails 3.1 gemset lines, restart Apache, and then run "$ rvm use ruby-1.9.2-p180@rails.3.0". If I want to run the Rails 3.1 app, I have to do the opposite.</p> <p>Is there a way to have both be able to run at the same time without these extra steps?</p>
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