Develop with Pleasure, Deploy
with Fun: NetBeans and
GlassFish for a Better Rails
Experience
Arun Gupta, GlassFish Guy
http://blogs.sun.com/arungupta
Sun Microsystems, Inc.

What is GlassFish ?
dkimages.com

What is GlassFish ?

GlassFish: It's a Community!

GlassFish: Lives on java.net
Since 2005

GlassFish: Open Source and Enterprise Quality

GlassFish: Java EE 5 and 6 Reference
Implementation
Java EE 5
Java EE 6

Commercially Supported Product: Sun GlassFish
Enterprise Server
Enterprise Manager
Customer
Advocate eLearning
Credit
Customer Focused 24x7 Support
Support Team
GlassFish
Sun VIP Open Source
Patches &
Interoperability Application Server
Upgrades
Support

GlassFish v2

GlassFish v2: Web-based Administration

GlassFish v2: SOAP, REST, .NET interoperability

GlassFish v2: Clustering & Load Balancing

GlassFish v2: IDE support

GlassFish v3

GlassFish v3: Modular

GlassFish v3: Embeddable

GlassFish v3: Extensible

Why Rails on GlassFish ? - Agile

Why ? - Easy prototyping, yet powerful

Why ? - Best of both worlds

Why ? - A feature for every one: Database
Connection Pooling

Why ? - A feature for every one: Management

Why ? - A feature for every one: Monitoring

Why ? - A feature for every one: Threading

Why ? - A feature for every one

Why ? - Improvements in JVM DL Compilers

Why ? - Deployment choices: Directory, WAR,
Embedded
Credits: http://www.flickr.com/photos/bostonbrahmin/177442308/

Directory-based deployment: How ?
jruby -S rails railsconf
asadmin start-domain
asadmin create-jvm-options -DJRUBY_HOME=...
asadmin deploy railsconf

Directory-based deployment: Recipes
Credits: http://blogs.sun.com/Jacobkessler/entry/capistrano_and_glassfish

Rails on GlassFish: GlassFish Gem

GlassFish Gem: How ?
jruby -S rails railsconf
jruby -S gem install glassfish
cd railsconf
jruby -S glassfish
http://blogs.sun.com/arungupta/entry/totd_70_jruby_and_glassfish

GlassFish Gem: Options
jruby -S glassfish -h
-c: change the context root
-e: environment
-d: Runs as daemon
-P: location of PID file
-l: log file location
-log-level: Logging level (0-7)

GlassFish Gem: Recipes
Credits: http://blogs.sun.com/Jacobkessler/entry/capistrano_and_glassfish_now_with

Not Just Rails ...
http://blogs.sun.com/arungupta/entry/totd_53_scaffold_in_merb
http://blogs.sun.com/arungupta/entry/totd_80_sinatra_crud_application

And more ...
http://weblogs.java.net/blog/vivekp/archive/2009/04/plugin_any_ruby.html

Deployment Options
http://blogs.sun.com/arungupta/entry/totd_81_how_to_use
http://blog.headius.com/2009/04/apache-jruby-rails-glassfish-easy.html

Rails on GlassFish: WAR Deployment
Credits: http://birdwatchersdigest.com

WAR Deployment: How ?
jruby -S gem install warbler
jruby -S warble
http://blogs.sun.com/arungupta/entry/totd_73_jruby_and_glassfish

WAR Deployment: How in NetBeans ?

WAR Deployment: Packaging

Rails on GlassFish: Update Center

NetBeans: Develop with Pleasure
http://blogs.sun.com/arungupta/entry/screencast_26_develop_run_debug

Rails Monitoring
• Basic Monitoring
- jinfo: System properties and VM CLI flags
- jmap: Shared object memory map
- jstack: Stack traces of Java threads
- jstat: Performance statistics on class, JIT compiler, GC, ...
• Advanced
- jconsole / Visual VM
- NewRelic, FiveRuns, ...

jConsole
http://blogs.sun.com/arungupta/tags/rubyonrails+jmx

Turning A platform and ecosystem
collaboration for Developers to:
upside-down
• Freely host open source
projects and code
• Connect, Communicate,
Collaborate, and Code with
peers
• Eventually easily deploy
applications/services to
“clouds”
• http://kenai.com

Endorsements had no reliability and
performance issues with
Glassfish
money is on JRuby (and
Look like the best Glassfish) for the long
deploying option I ever haul; if you haven't checked
found for Rails, GREAT! out Glassfish yet, you're doing
yourself a disservice!
nice way to deploy and
manage my app while leaving
things open for scaling
the easiest rails stack
in the world, jruby 1.2rc, rails 2.3rc, leading the way to simple,
glassfish v3 scalable, no-hassle hosting for
... Ruby web applications.
too easy to run jruby/rack/ ...
glassfish behind nginx it's true one-step deployment.

Who loves Rails on GlassFish ?

JRuby, Rails, and GlassFish Bootcamp
May 19/20, San Francisco
railscamp.eventbrite.com

Resources
• glassfish.org
• blogs.sun.com/theaquarium
• glassfish-scripting.dev.java.net
• wiki.glassfish.java.net/Wiki.jsp?page=JRuby
• blogs.sun.com/arungupta