Friday Fix: Liferay’s SASS parser on CentOS 6

In working with a Liferay theme recently, I came across a curious bug involving jRuby and CentOS 6. It manifested itself in a rather confusing SASS parser error (the details of which I don’t have anymore). To add to this confusion, I had just switched from using the traditional Ant-based Liferay plugins build to using the Maven liferay-theme-archetype. After spending almost two days trying to figure out what was going wrong with my project, and a lot of help from our NetOps genius, I stumbled across the answer. It was a library problem that existed only on Liferay systems running on CentOS 6.

Fortunately the fix is simple, as it’s just a property override.

Add the following lines to your portal-ext.properties file and bounce your server. Everything should be ready for deployment after that.

scripting.jruby.load.paths=
classpath:/META-INF/jruby.home/lib/ruby/site_ruby/1.8,
classpath:/META-INF/jruby.home/lib/ruby/site_ruby/shared,
classpath:/META-INF/jruby.home/lib/ruby/1.8,
classpath:/gems/chunky_png-1.2.1/lib,
classpath:/gems/compass-0.11.5/lib,
classpath:/gems/fssm-0.2.7/lib,
classpath:/gems/sass-3.1.7/lib

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