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Questions tagged [jrubyonrails]

JRuby on Rails is a term to describe a Ruby On Rails application running on JRuby.

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367 questions
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Jruby On Rails, which is best database adapter, mysql2 or jdbcmysql?

I am working on JRuby on Rails Application having JRuby-1.6.7 and Rails 3.2.2 I have mysql database. I was trying for database adapter. I used mysql2 and jdbcmysql database adapter. Both are working. But if I do not access application for some time…
Shailesh Kalamkar
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Cucumber hangs after all scenarios passed

I have jRuby on Rails application with some cucumber tests. Problem is that cucumber features hangs after executing all steps until I press ctrl+c. Interesting that it only happens if all of the tests pass. 10 scenarios (10 passed) 116 steps (116…
tomgi
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If I have jRuby on Rails installed can I use only Ruby?

What I mean by this is if I install jRuby on Rails, can I use only the ruby language to build my application? I wanted to install my rails application with jRuby in case I wanted to use Java in the future, though I don't need it now. Or do I not…
johnny
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rbenv, JRuby, Warble, Rake

I have JRuby web app which is running in a Tomcat server on the deployment box. I used Warble to pack it up into a WAR file, and deploy on a server on which I also have JRuby installed. I run rbenv and JRuby 1.6.4 on both the development box and…
Jay Godse
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JRuby: Warbler: Tomcat: Rails helpers not getting base URL with WAR extension suffix

I'm deploying a JRuby/Rails app packed up into "abc.war", and it is deployed with a Java app packed up into "def.war" in the same Tomcat instance. I have a resource in my Rails application called "Blogs", with the following entry in…
Jay Godse
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problem for SQLite db for jruby

I tried to use SQLite databse for my jruby project. When i tried to install sqlite3 gem getting the following error C:\tibbr\main\community_manager>gem install sqlite3-ruby Building native extensions. This could take a while... ERROR: Error…
senthil raja
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How to run Rails3 with JRuby in 1.9 mode on Windows XP?

I know that I can run JRuby with 1.9 compatibility with the --1.9 flag. No problems here. However, I cannot get Rails3 to run with JRuby 1.6.2 in 1.9 mode on Windows XP. Am I missing something? Here are my JRuby 1.6.2 version…
buruzaemon
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sunspot with jruby

Hi can sunspot be used with jruby, also here is my app details jruby-1.6.1 rails 3.0.7 when i install all the gems and run rake sunspot:solr:start it gives me the following error Gem::LoadError: Could not find RubyGem sunspot (>= 0) …
dhaval2025
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Flag invalid attribute in ActiveRecord

I am trying to implement functionality wherein an attribute, once set, cannot be changed on an ActiveRecord model. To this end, I have written the following methods: def address self[:address] end def address=(val) if new_record? self[:address]…
rmk
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How to connect RAILS with Red5 Server

I am trying to develop an Application with Red5 Server. I did some of the steps: I set up the Red5 server into our local machine (Ubuntu) I installed the MangoDB database locally with Rails configuration. Now My problem is: I am using Jruby(Java…
Anil Gupta
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jRuby and Problems with Warbler, RVM, and Tomcat

I've been having a tough time getting jRuby on Rails 3 deployed on Tomcat 6. I got it to work exactly once. I modified my database.yaml and Gemfile to check for jRuby, something like this: if defined?(JRUBY_VERSION) gem 'jdbc-mysql' #gem…
Dex
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Compile a jruby on rails application to a jar?

Is there a quick way to pack a jruby on rails application into a jar? Is there an ec2 on rails like virtual appliance for jruby on rails apps?
James
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How to disable tracking of changed attributes in model in active_record

I have a simple model with 3 attributes id, paylod (binary data, big), created_at. I need to extract a bunch of values from the payload data for further processing which I do in the after_initialize callback method. As the payload can be quite big…
Oliver
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How can I make drip use existing vm with dripmain.rb for rails app?

I am attempting to use drip to reduce JRuby VM startup time for a Rails app, per the JRuby wiki. I see some speed up by changing some of the JRUBY_OPTS but I am not seeing any reduction using drip. It seems to be spinning up a new process/vm for…
queuebit
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Why does heap space constantly increase when monitoring Tomcat with Java VisualVM?

I have a JRubyOnRails application running in Tomcat. After browsing to my application (localhost), logging in and then doing nothing, the Heap space seems to be growing continuously... Is that normal? If I press on Perform GC, it does go down again.…
Lieven Cardoen
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