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PORails 3.1 issue with javascript_include_tag in application.html.erb
 

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  1. PORails 3.1 issue with javascript_include_tag in application.html.erb
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    <p>I've created a clean and simple Rails 3.1 application called demo1. It contains two controllers - hello and goodbye. I get the following error when I try to load <a href="http://localhost:3000/say/hello">http://localhost:3000/say/hello</a>:</p> <pre><code>ActionView::Template::Error ( (in /home/me/dev/ruby/demo1/app/assets/javascripts/say.js.coffee)): 3: &lt;head&gt; 4: &lt;title&gt;Demo1&lt;/title&gt; 5: &lt;%= stylesheet_link_tag "application" %&gt; 6: &lt;%= javascript_include_tag "application" %&gt; 7: &lt;%= csrf_meta_tags %&gt; 8: &lt;/head&gt; 9: &lt;body&gt; app/views/layouts/application.html.erb:6:in `_app_views_layouts_application_html_erb___558576499_89622220' </code></pre> <p>The problematic line of <strong>application.html.erb</strong> is:</p> <pre><code>&lt;%= javascript_include_tag "application" %&gt; </code></pre> <p>When I created the application using Rails 3.0 this particular line was:</p> <pre><code>&lt;%= javascript_include_tag :defaults %&gt; </code></pre> <p>And this worked fine. In fact, when I change the application.html.erb to use :defaults everything works, but I want to use the new features of Rails 3.1.</p> <p>I can't seem to turn up anything on Google around this, I guess because Rails 3.1 has just been released.</p> <p>By the way, I'm following the first chapter in the <a href="http://pragprog.com/book/rails4/agile-web-development-with-rails">Agile Web Development with Rails (4th edition) Updated for Rails 3.1</a> book.</p> <p>Some environmental info that may help in answering this question:</p> <pre><code>$ cat /etc/issue Ubuntu 10.04.2 LTS \n \l $ ruby -v ruby 1.9.2p290 (2011-07-09 revision 32553) [i686-linux] $ rails -v Rails 3.1.0 </code></pre> <p>Contents of the <strong>say.js.coffee</strong> file:</p> <pre><code># Place all the behaviors and hooks related to the matching controller here. # All this logic will automatically be available in application.js. # You can use CoffeeScript in this file: http://jashkenas.github.com/coffee-script/ </code></pre>
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    1. COQuick question, did everything install correctly when you ran bundle install? I wonder if something is wrong with exec.js
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    2. COYes, I re-ran bundle install again and everything seems fine... any ideas how I could dig deeper?
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    3. COTry looking at the terminal output from when you created the app to see if something failed to install. Ive been using rails 3.1 since beta versions. I tried creating the demo app from scratch as the book suggests, and I created the controller. It worked as expected. Again, i already have execjs and coffee-script installed. So it just had to find it and tie it to the locked gemfile.
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