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Some of you, Ruby on Rails developers that like being on the edge with new technologies, are working on a projects utilizing Ruby on Rails beta4 version. For example, in Selleo (where i work) there are two projects currently being developed on Rails 3. We decided that these Ruby on Rails projects (if succesful) will have a long time of post launch support in developing new features and it will be easier if the engines of these custom web application will be Rails 3 than Rails 2.x (Rals 2.x will end it’s life sooner or later).

Also it will be more cost effective to port a Ruby on Rails 3 beta application to Ruby on Rails 3 official release than from Ruby on Rails 2.x, since there are far more similarities between the first two than between Rails 2.x and Rails 3.0.

So let me write a short articles about problems we have encountered while updating one of our custom Ruby on Rails application from beta4 to RC version.

So first thing first, we need to go to the gemfile and change gem ‘rails’ to gem ‘rails, ‘3.0.0.rc’ and hope for best, since obviously we do not want any problems to occur and take our precious devewloment time.

After we’ve run bundle install in our console we’ve encountered first error – conflict on bundler itself saying that “No compatibile versions could be found for required dependencies” for our Ruby on Rails application.

As you may have noticed, Rails Release Candidate introduced bundler version 1.0. So the solution for this is to: gem install bundler.

Next, we have encountered soem depreation warning, since our routes looked like this:

OurApp::Application.routes.draw do |map|

OurApp::Application.routes.draw do

Fortunatelly, after that our Ruby on Rails application started without complaints. If we encounter some more incompatibilities, I’ll let you know about them and update this post.

Upgrading Rails 3.0 Beta4 to Rails 3.0 Release Candidate | Ruby on …

Engine Yard, the leader in Ruby onRails automation and management technologies, today announced the company’scustomer base has tripled in size in the last 6 months. With more than1,000 customers, Engine Yard Cloud is the leading destination forbusiness-critical applications built with Ruby on Rails. the company’smomentum has been fueled by the success of Ruby on Rails applicationsacross many industries, with concentrations in social gaming and mobileapplications.

“Engine Yard provides the scalability we need to provide customer supportcommunities for tens of thousands of companies and easily scale to millionsof monthly unique users,” said Thor Muller, CTO and Co-founder of GetSatisfaction. “We rely on Engine Yard Cloud and the company’s expertise inRuby on Rails to keep our sites available 24×7. having visibility intooperations performance and monitoring takes the heat off our developers, sothey can focus on product development.”

the past year at Engine Yard has been filled with key milestones,including:

• The launch of thecompany’s public Platform-as-a-Service (PaaS) cloud offering. TheEngine Yard PaaS has enjoyed rapid adoption by development teams because itremoves the operational costs of managing technology infrastructure andsignificantly reduces application deployment and management expenses. Thisallows developers to spend more time building revenue-generatingapplications.
• Closing $19 million in Series Cfunding. this round of funding has enabled Engine Yard to take Ruby onRails deeper into the enterprise. Engine Yard continues to build out theEngine Yard Cloud to meet enterprise requirements, build support offeringsfor JRuby development teams, and continue to invest in the open sourceprojects that are bringing new levels of productivity to developersworldwide.

“The introduction of our public cloud capabilities as a complement to ourprivate cloud has allowed Engine Yard to meet a wider range of needs fororganizations that see the value in bringing revenue-generatingapplications to market faster,” said John Dillon, CEO of Engine Yard. “Byusing the Engine Yard Platform-as-a-Service, development teams areachieving cost savings and productivity gains because they no longer fightagainst the operational drag caused by application management issues andinfrastructure headaches.”

Engine Yard offers private and public Platform-as-a-Service (PaaS) cloud offerings thatremove the drag of managing technology infrastructure and reduceapplication deployment and management expenses. this allows developers whouse Engine Yard for their Rails-based applications to focus on their truepassion — building great applications. With full-time contributors to Rails, JRuby and Rubinius — Engine Yard offers developersand businesses unmatched expertise for managing and deployingnext-generation web applications.

For more information about Engine Yard product and service offerings, visitwww.engineyard.com or call (866) 518-YARD.

About Engine Yard
Engine Yard is the leading provider of automation technologies and servicesfor Ruby on Rails, including the Engine Yard Cloud, a Platform-as-a-Service(PaaS) for web developers and web teams. it provides easy-to-use, automatedRails application deployment and management, with a design philosophy thatallows easy migration of existing applications. Engine Yard helpsdevelopment teams realize productivity gains and cost savings byeliminating the operational overhead caused by application deploymentissues and managing complex infrastructures. a significant contributor tothe advancement of Open Source projects, Engine Yard employs top industryexperts and sponsors or directly contributes to many projects such as Rubyon Rails (www.rubyonrails.com), JRuby (www.jruby.org) and Rubinius(www.rubini.us). Headquartered in San Francisco, Calif., Engine Yard isbacked by Benchmark Capital, new Enterprise Associates, and Amazon.com.

Engine Yard Triples Customer Base in 6 Months to Reach 1000th Customer Milestone