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JSR

RESTless about RESTful These days there is much discussion about REST and HATEOAS, and many people feel urged to reinterpret what HATEOAS means or what Roy Fielding's often-cited dissertation allegedly would say in their understanding, and what HATEOAS should be implemented like therefore. While I first felt amused about this "dispute about nothing" (just ask Mr Fielding if you don't...
on Feb 14, 2010

J2EE

Content available at: http://blogs.sun.com/arungupta/entry/totd_120_deployment_descriptor_free
on Feb 5, 2010
GlassFish v3 comes bundled with Metro - a secure, reliable, transactional, and .NET interoperable Web services stack. Metro is compliant with JAX-WS and provides additional quality of service attributes that can be easily enabled using NetBeans IDE. This blog contains a screencast that shows how to create a simple Web service using NetBeans 6.8, implement the business logic by accessing a...
on Feb 2, 2010
Converged (Http/SIP) applications gives users the flexibility of creating or accessing information about their communications (call/conferences/im ...) over the web. To make this possible a typical converged application would contain an entry point for all the Http requests, which is mostly an Http Servlet. This servlet would return back appropriate responses by accessing the corresponding...
on Jan 25, 2010
According to the PrimeFaces website, "PrimeFaces is an open source component suite for Java Server Faces featuring 70+ Ajax powered rich set of JSF components. Additional TouchFaces module features a UI kit for developing mobile web applications.". Since it is an OpenSource JSF implementation that is very close to releasing JSF 2.0 compliant components, I figured it was time to try it...
on Jan 7, 2010
Happy New Year! Java EE 6, GlassFish v3, and NetBeans 6.8 were released last month. Are you interested in learning how this awesome combination of technologies and products make your life simpler ? Do you want to brush up your skill set and learn to write Java EE 6 code using NetBeans 6.8 and GlassFish v3 ? Would you like to learn  tips & techniques from the experts in GlassFish community ?...
on Jan 4, 2010
SIP Servlets provide a server side Java abstraction to SIP protocol and it is based on familiar servlet model. This enables an application developer to use Java servlet programming to write Converged applications. What exactly is the meaning of "converged applications"? SIP Servlet Specification explains this as follows "While the SIP Servlet API can certainly be implemented...
on Jan 4, 2010
Shing Wai's post explains the @ServletSecurity annotation that has been introduced newly in JavaEE 6 (Servlet 3.0 specification). The @ServletSecurity annotation provides an alternative mechanism for defining access control constraints equivalent to those that could otherwise have been expressed declaratively via security-constraint elements in the portable deployment descriptor. There is also a...
on Dec 24, 2009

Databases

Content available at: http://blogs.sun.com/arungupta/entry/totd_122_creating_a_jpa
on Feb 10, 2010
Content available at: http://blogs.sun.com/arungupta/entry/ttd_121_jdbc_resource_for
on Feb 9, 2010
On last saturday I have run a few experimental benchmarks on the typical new generation technology stack (or part of it). What I exactly did was running iAnywhere 10.0.1 database and Sun Application Server 9 (aka "Glassfish" aka "Java EE 5 SDK") in a VMware Server 1.0.3 virtual machine on my private laptop (AMD Turion 64 X2, 2 GB RAM). The benchmark was done using a small test...
on Jan 3, 2010
One of the many cool new features in Java EE 6, is support for the DataSourceDefinition annotation. The DataSourceDefinition annotation provides a way to define a DataSource and register it with JNDI. The annotation provided annotation elements for the commonly used DataSource properties. Additional standard and vendor specific properties may also be specified. So let us look at an example: @...
on Dec 10, 2009

Community

Here it is the PDF version of my slides @Jfokus 2010, the great Java conference in Sweden. You feedback is always welcome. And if you missed that, here you find my conference wrap-up.    
on Feb 3, 2010

EJB

In the past few month several Java EE 6 related JSRs (Java Specification Requests) have been finalized. The final ballot for them ended on November 30 and all were approved. Today, December 10, 2009, Java EE 6 and GlassFish v3, THE reference implementation of Java EE6, are released. Four and a half year after the release of Java EE 5 we enter the next Java EE era. GlassFish v3 is the first...
on Jan 6, 2010
The long awaited and the most looked upon version of GlassFish released today. GlassFish v3 fully implements Java EE 6 specification which means EJB 3.1, Servlet 3, JAX-RS, JPA 2, Contexts and Dependency Injection for Java EE, Bean validation, Java EE profiles and so on.  GlassFish is not only the most up to date application server but it also benefits from a very good architecture. GlassFish...
on Dec 17, 2009
NetBeans 6.8 released coordinated with GlassFish v3 today. NetBeans 6.8 can be considered a fine step ahead of NetBeans because Sun is officially supporting the NetBeans RCP platform as a product from now on. NetBeans 6.8 features are as follow: Java Enterprise Edition 6 support Web Projects with JavaServer Faces 2.0 (Facelets) JavaFX 1.2.1 support Kenai.com: Connected Developer Full support...
on Dec 17, 2009

Security

After configuring Hudson to run in a Glassfish with security manager enabled I started to have problems in other applications, specially web applications using reflection to access private fields in Java classes. Over the web I noticed a lot of people struggling with the same issue (Seam, GWT, Vaadin, etc). The problem is caused because most of the modern frameworks tries to access Java...
on Jan 2, 2010

Web Applications

This is 1.0.0 release of GlassFish gem. This release is based on GlassFish v3 final release. Unlike other gem releases which used to get posted on the RubyForge gem repo. Now its pushed to Gemcutter. The end result is pushing is easy and the gem is available moments after its pushed. Also now I can see how many of each release get downloaded. To install, simply type the following on a JRuby...
on Dec 10, 2009

Performance

One of the new features of Glassfish V3 is directory deployment of ruby applications.  This makes is much easier to develop and deploy ruby applications on Glassfish since developers no longer need to package ruby apps as wars using goldspike or warbler as was required for Glassfish V2.  However there are other good reasons to run your rails applications on Glassfish V3.  One of...
on Dec 10, 2009