http://blog.aparnachaudhary.net My Blog about Java, and Open Source Thu, 22 Dec 2011 12:44:07 +0000 http://backend.userland.com/rss092 en dzone_url = "http://blog.aparnachaudhary.net/2011/12/22/jboss-as7-1-on-rhel6/"; Print PDF var dzone_style="2";Today I got JBoss AS 7.1.0.CR1 fresh out of oven. The GA release is expected in next month. Full JavaEE certification is planned for this release. The following tutorial demonstrates how to set up JBoss AS7.1 on RHEL6. Install JBoss AS7.1 on RHEL6: Follow these five easy steps to get started with JBoss [...]]]> http://blog.aparnachaudhary.net/2011/12/22/jboss-as7-1-on-rhel6/ dzone_url = "http://blog.aparnachaudhary.net/2010/11/23/activiti-bpm-springintegration-mail-adapter/"; Print PDF var dzone_style="2"; Activiti is an open source BPM and workflow system. The first GA release is expected to be out next month i.e. Dec 2010. The roadmap of activiti looks very promising and also involvement of companies like SpringSource and MuleSoft can make it even more interesting. There are couple of [...]]]> http://blog.aparnachaudhary.net/2010/11/23/activiti-bpm-springintegration-mail-adapter/ dzone_url = "http://blog.aparnachaudhary.net/2010/08/19/jbpm4-4-with-spring3/"; Print PDF var dzone_style="2";I’m working on a jBPM prototype since last couple of days. The integration with Spring wasn’t a smooth ride. In my previous projects, I used jBPM3.2. But it seems jBPM4 is pretty much a rewrite. There are couple of few nice additions like service API’ for task and process management, [...]]]> http://blog.aparnachaudhary.net/2010/08/19/jbpm4-4-with-spring3/ dzone_url = "http://blog.aparnachaudhary.net/2010/07/10/scala-step-by-step/"; Print PDF var dzone_style="2";I decided to learn Scala when I saw a piece of code written by one of my colleagues. I was amazed with its conciseness. But I failed at my first attempt to learn this language. I know the reason why. I read some stuff without writing enough code. After couple [...]]]> http://blog.aparnachaudhary.net/2010/07/10/scala-step-by-step/ dzone_url = "http://blog.aparnachaudhary.net/2010/05/23/introduction-to-hibernate-search-framework/"; Print PDF var dzone_style="2";Enterprise Search is becoming one of the common requirements of any consumer web application that we build these days. So I thought of learning some stuff in this domain. If you think about open source frameworks providing enterprise search functionality, probably Lucene is the one and only answer that comes [...]]]> http://blog.aparnachaudhary.net/2010/05/23/introduction-to-hibernate-search-framework/ dzone_url = "http://blog.aparnachaudhary.net/2010/04/23/using-spring-integration-with-twitter4j-to-email-tweets/"; Print PDF var dzone_style="2";Recently I was playing around with Spring Integration. To understand any new framework one cannot just rely on documentation. So I created a demo application to try out different features of the framework. Since my main motivation was to understand Spring Integration framework, I wanted to spend minimal efforts in [...]]]> http://blog.aparnachaudhary.net/2010/04/23/using-spring-integration-with-twitter4j-to-email-tweets/ dzone_url = "http://blog.aparnachaudhary.net/2009/11/25/year-2009-retrospect/"; Print PDF var dzone_style="2";For the past few years of my career I worked mainly on designing and developing J2SE and J2EE enabled enterprise batch solutions and spent some time on database scripting and performance tuning. These years were spent on developing more enterprisy stuff. The year 2009 was a year of whole and sole [...]]]> http://blog.aparnachaudhary.net/2009/11/25/year-2009-retrospect/ dzone_url = "http://blog.aparnachaudhary.net/2009/11/20/esper-complex-event-processing-engine/"; Print PDF var dzone_style="2";Recently I presented a talk about Esper at JTeam Tech Meeting. Please go through the slides if you are interested in understanding more about Complex Event Processing and Esper . The first half of the presentation covers conceptual knowledge of Complex Event Processing, its advantages over traditional approaches and use [...]]]> http://blog.aparnachaudhary.net/2009/11/20/esper-complex-event-processing-engine/ dzone_url = "http://blog.aparnachaudhary.net/2009/11/06/generating-dynamic-pdf-using-itext/"; Print PDF var dzone_style="2";iText is a library that allows you to generate PDF files on the fly. In the following blog post I would show how to 1. Create PDF using PDF Template and PDF Form 2. Appending documents Create PDF using PDF Template for PDF AcroForm: template.pdf is a PDF template with PDF Form fields firstName and [...]]]> http://blog.aparnachaudhary.net/2009/11/06/generating-dynamic-pdf-using-itext/ dzone_url = "http://blog.aparnachaudhary.net/2009/07/29/date-dropdownchoice-apache-wicket/"; Print PDF var dzone_style="2";Apache Wicket is yet another Java Web Development framework. But the beauty of Wicket is it provides clear separation of concerns. It doesn’t mix markup and java and saves you from adapting to additional expression language. Wicket templates are simple HTML files with only additional wicket attribute wicket:id. This makes [...]]]> http://blog.aparnachaudhary.net/2009/07/29/date-dropdownchoice-apache-wicket/