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Dynamic Languages support in GlassFish v3 Prelude
Posted by vivekp on November 06, 2008 at 06:33 PM | Comments (0)
By now most of you might already know that GlassFish v3
Prelude is released!
GlassFish v3 Prelude brings not only JavaEE support but also brings
in support for Dynamic Languages based platforms, such as Rails, Grails
and also tested to work for Scala/Lift, PHP (Quecus, Java-PHP
bridge).
Read Jerome's post
on GlassFish v3 key architectural points that enables pluggable
containers.
Following dynamic languages based frameworks are supported on GlassFish
v3 Prelude:
JRuby on Rails
Ruby on Rails applications are supported in the pure native form using
JRuby runtime. There is Rails container in GlassFish v3 that deploys
and passes on the request and response to Rails using Grizzly. Since
Rails is single threaded, there is JRuby runtime pool, which can be
configured for scaling well.
There is also GlassFish
Ruby gem. The GlassFish gem is
based on GlassFish v3 nucleus, this means you are running/testing your
Rails applications against the same GlassFish server bits. Read here
on how to use GlassFish gem.
Read here
for more details on how JRuby on Rails works and key features.
Also note that JRuby and Rails deployment on Glassfish v3 Prelude is
commercially supported by Sun.
Groovy on Grails
GlassFish v3 Prelude Update Center provides Grails package which is
Grails 1.0.3 plus value additions
from GlassFish. Here are some key points:
- Development and deployment
on the same server
- grails run-app runs
GlassFish v3 Prelude in embedded mode
- Efficient
packaging and deployment
- grails shared-war creates
a smaller and efficient grails application
- Hot deployment without
OOM/PermGen issue
- Deploying war file
created with 'grails war' command has certain issues with with respect
to locks
in groovy and HSQLDB's issue.
These issues cause OOM due to lack of PermGen space on multiple
redeployments.
- grails shared-war
minimizes it in orders of magnitude
See Getting
Started guide and don't miss
Alexis screencast From Zero to
Grails in 5 minutes with GlassFish v3 Prelude.
PHP
Quercus (Caucho)
- Open Source (GPL) PHP 5
implementation in Java
- WAR packaging
- WordPress, MediaWiki, phpBB,
Joomla
PHP/Java Bridge
- Open Source (LGPL)
- XML based network protocol
for native PHP
- Faster, easier than JNI
- Java native threads used for
concurrent requests
- PHP and JSP session sharing
Scala/Lift
- Lifts apps packaged as WAR
- asadmin deploy liftApp.war
- For details on developing
and deploying Lift applications on GlassFish v3, see here
Get GlassFish
v3 Prelude and start developing
applications on it. As always let us know what you think through the mailing list
or report an issue on the issue
tracker.
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