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Open Source

Entry posted to my new blog.
on Oct 29, 2009
SailFin V2 (Sun GlassFish Communications Server 2.0) is released today. See Srikanth's announcement and Prasad's roadmap entry. A number of new features have been added since we released SailFin V1 in January. These include high availability, rolling upgrade, flexible network topology, better over load protection, improved diagnosability, Java based DCR files for the load balancer etc. Diameter...
on Oct 27, 2009
Entry posted to my new blog.
on Oct 22, 2009
Entry posted to my new blog.
on Oct 12, 2009
Entry posted to my new blog.
on Oct 2, 2009
Content available at : http://blog.arungupta.me/2009/09/totd-103-glassfish-v3-with-different-os...
on Sep 16, 2009

Instant Messaging

In this edition, I am explaining, how to write a simple IM server using SailFin CAFE. If you have read my earlier blogs on SailFin CAFE (here and here) then there is nothing additional need to be done!. The same applications that supports 2-party calls or Conference application are already capable of handling IM between two users. package my.test;@org.glassfish.cafe.api.bean....
on Oct 27, 2009

Databases

The W3C Social Web Incubator Group is organizing a free Bar Camp in the Santa Clara Sun Campus on November 2nd to foster a wide ranging discussion on the issues required to build the global Social Web. Imagine a world where everybody could participate easily in a distributed yet secure Social Web. In such a world every one will be able to control their own information, and every business would...
on Oct 26, 2009
If you are reading this blog it means you want to use JasperReport with dynamically programmatically generated images. An example of such use cases in generating complex charts using JFreeChart and then including these charts into reports. Each report in JasperReport uses a datasource to populate the fields, we need to use JRBeanCollectionDataSource which can be considered as a simple collection...
on Sep 21, 2009

J2EE

Hope you have read my blog on "Writing your first SailFin CAFE Application". There I explained how to handle a 2-party call using SailFin CAFE. Now lets see how can you write a simple conference application. The application would accept the calls from any participant and if the participant is calling a conference id, then the application should use a media server, handle SDP, mix the voice,...
on Oct 18, 2009

Linux

I upgraded my laptop OS to Karmic Koala (Ubuntu 9.10) beta version to play with new features and capabilities provided in this release. Out of habit or whatever I am using 32 bit version of the OS both on the laptop and desktop (both are 64 bit) and I rather prefer to stay with 32 bits as some application sucks on 64 bit (are they still suck?). Well in previous versions I replaced the kernel with...
on Oct 13, 2009

Community

It is always said that competition between different producer and companies producing similar products is good for the end users and consumer of those products because the each company tried to provide better products to satisfy the consumer and finally receive more income. All of the above are true when we are discussing commercial entities which produce the products, for example ORACLE and IBM...
on Oct 11, 2009
In a previous post : PART2 I describe how to run JSP over Grizzly. Now I'll show you how to run PHP over Grizzly. here a sample web.xml file for PHP support. (I'm using Quercus, but you could use native PHP too). [prettify]
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE web-app
   ...
on Sep 11, 2009
Grizzly Deployer got lot of activity recently over mailing list, so I took the time to give you a new feature that been added to the release 1.9.17. The Autodeploy command. You should see that option like a default web.xml config that will be append to all your webapps that you will deploy. You can activate this feature by adding this param to the command line : java -jar grizzly-http-...
on Sep 10, 2009
So it has began ... the first Magnolia Conference ever. And as a good omen, the conference planned for up to 80 participants is completely sold out. Considering the credit crunch and everybody trying to save a money, this seems as a very good sign of the attention the product commands. The 15 speakers will try to get attention of participants in 2 parallel tracks. The conference was preceded by a...
on Sep 10, 2009

Mobility

   On Thursday I head up to London for the Over the Air event. I'll do two talks on Saturday on LWUIT and JavaFX Mobile. Check out the draft schedule. Plenty of interesting topics - I attended Over the Air last year and it was a fun, down-to-earth developer event. I'm looking forward to it. Maybe I'll see you there? Cheers, -- Terrence Reminder: If you haven't done so yet, please update...
on Sep 22, 2009

GUI

The Pivot development team is happy to announce the release of Apache Pivot 1.3. Apache Pivot is a platform for building rich internet applications in Java. It combines the enhanced productivity and usability features of a modern RIA toolkit with the robustness of the industry-standard Java platform. Pivot is currently undergoing incubation at the Apache Software Foundation. Notable updates in...
on Sep 22, 2009

Research

I am working out a new pet project, an online system to support PUJ Competitions. It is still a work under progress and I plan to start to blog some technical results here, but until that glorious free time I would give you a glimpse about what is keeping my blog so quiet :) So, PUJ is an academic competition where undergraduate student submit their homeworks for the evaluation...
on Sep 7, 2009