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Tag Archives: production

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Technology Insights

503 Service Unavailable Error After Switching Litespeed Rails Site From Production Mode To Staging Mode

InsightsBy alexApril 5, 2010Leave a comment

Earlier I switched one of the Litespeed web server virtual hosts from production mode to staging mode and after gracefully restarting rails was receiving a 503 Service Unavailable error. Initially I thought that maybe Litespeed had to be restarted completely instead of just a graceful restart but that produced the same results. Below I describe…

Technology Insights

ActionView::TemplateError (comparison of Fixnum with nil failed) on line #38 of app/views/layouts/base.rhtml

InsightsBy alexMarch 30, 2010Leave a comment

The below error is another error related to upgrading Redmine. I imagine part of the reason I had a lot of errors is because I hadn’t upgraded this installation of Redmine, which we really just use for development, for a long time. In fact the upgrade took this installation of Redmine from 0.8.3 to Redmine…

Technology Errors

Upgrade Redmine Rake Migrate Error: uninitialized constant ActionController::AbstractRequest

ErrorsBy alexMarch 30, 20102 Comments

I ran into an issue earlier where adding a sub project to an already existing Redmine project produced an error and after a little bit of troubleshooting determined that upgrading Redmine would resolve the issue. During the upgrade process I ran into some other issues including a specific migration error using rake that is noted…

Technology Insights

Create Ruby Migration To Add An Index To A PostgreSQL Table

InsightsBy alexDecember 23, 2009Leave a comment

The other day I did some optimization work on a PostgreSQL database and at the end needed to create migrations so the changes I was going to make could be deployed on multiple servers. It was my first shot at migrations so I wanted to note for myself and anyone else that may find it…

Technology Insights

Start a Ruby On Rails Project In Development Mode With Apache And Mongrel

InsightsBy alexDecember 1, 2009Leave a comment

A friend of mine was over tonight and we were troubleshooting a issue with SVN authentication via the Redmine project management software. Redmine is built with Ruby and on this server is running via Apache and Mongrel. I needed to set the project to run in development mode but wasn’t very familiar with the Mongrel…

Technology Insights

How to Start Ruby on Rails in Development Mode with LiteSpeed Web Server

InsightsBy alexMarch 31, 20095 Comments

Starting ruby on rails in development mode with Litespeed is easy. You need to make sure that your database.yml is configured to handle development mode as well. Follow the steps below to start Litespeed running Ruby on Rails in development mode. Please note both cofiguration settings listed in step one which include setting this to…

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