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Continue reading →: Wicket in OC4J / OracleAS
Recently I tried deploying wicket framework based web application in OC4J container it didn’t work, whereas the same code works well in Tomcat. While googling found a few solution which recommends to use wicket servlet configuration instead of servlet filter to resolve the issue. I did the same but no…
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Continue reading →: JRebel – a productive tool for Java developers
Java Rebel – a very useful productive tool One of my friend told me about JavaRebel. Later I tried with eclipse it worked well. The installation and setups are very simple and easy. It saves a lot of time for enterprise class projects. Now you don’t have to restart Tomcat…
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Continue reading →: Java – Object XML Mapping
Have you written 1000s of buggie lines of code to parse XML? Generating an XML is easy but when it comes to XML parsing/import it is hard. We have to think about many scenarios and deal with many combinations. I use to prefer XPath API for XML import because I…
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Single-Sign-On (SSO) in Java Platform using Active Directory
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Continue reading →: Single-Sign-On (SSO) in Java Platform using Active DirectoryIn today’s rapidly evolving digital landscape, the demand for streamlined user experiences has propelled single-sign-on (SSO) to the forefront of both desktop and web-based product development. In this article, we will explore the implementation of SSO in Java platform, specifically in conjunction with an Active Directory server. Considering the widespread…
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Continue reading →: GWT an innovative framework
After the birth of Struts “framework” became hot buzz word in the software development industry. Now almost all languages, technologies and methodologies have tons of frameworks. Recently I was trying to figure out what is latest in the market and what are the different frameworks are available.
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Continue reading →: Handling currency calculations in Java business application
Recently I saw a weird floating issue in Java application which made our currency calculation wrong. Can you guess what would be the output of the below code? System.out.println(38.0 – 26.6);
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Continue reading →: Java – Thread’s stack trace dump
Recently I was dealing with a deadlock issue. Usually I use eclipse break points to create deadlock situation at the same time find the line/code which causes the deadlock. But this one is bit complex scenario where it is not easy to have break points move line by line to…
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Continue reading →: A JSP code to debug class loader issues
Class Loader is one of the complex concept/design to understand in Java programming. On the initial days working with Tomcat and Desktop application there is not much class loading issues. From EJB days class loading became complex by specification and implementation. Seems JavaEE 5 tries to simplify the class loading…
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Continue reading →: Is UML dead? & What is the future of UML?
Once upon a time, UML was a highly popular buzzword in the software development industry. It was considered essential knowledge for architects, as understanding concepts like aggregation and abstraction could easily land you a job. However, tools like Rational Rose were costly, limiting their availability to only a few companies.…
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Continue reading →: Is design pattern teaches how to design an application?
Many of them think that if a person knows design pattern (the theory), he/she can design an application; due to this misunderstanding many stupid questions been asked in interviews about design pattern in a meaningless way.
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Continue reading →: JEXL – A simple expression evaluation engine
When I was developing a framework looking for a solution very similar to eval() function in JavaScript. Initially I thought of Velocity but somehow I wasn’t convinced with that approach. (Struts2 uses Velocity to externalize the HTML generation to make it customizable). Later I wrote my own parser to evaluate…
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Continue reading →: JDBC performance tuning with optimal fetch size
Tuning performance using fetch size is an old technique some of you might already be using this configuration; some may know about it but may not have implemented. Recently I have implemented in my current project, would like to share my experience. In a typical production environment database and application…
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Continue reading →: Debugging Applet code using Eclipse
For last one month I involved in an applet development work. Its been hard to debug and fix issues in applet code as I have to use System.out.println() to see debugging information, it is very hard and time consuming, often I have to redeploy applet code when after adding a…
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Continue reading →: Connection Pool vs. Thread Pool Settings
Connection Pool and Thread Pool are essential components in improving the performance of applications. However, many developers tend to overlook the significance of configuring these pools optimally, often relying on default settings. In reality, the configuration of these pools plays a crucial role in performance tuning. In this post, we…
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Continue reading →: Java EE – Performance Tuning Tips
Every application goes through some performance issues whether it is an intranet or internet product. As development progresses, more concentration goes to resolving requirement and technical complexities than performance issues. It is essential to introduce a phase in your development life cycle to tune the product performance before it goes…
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I’m Venkat
A passionate software engineer with over 20 years of experience in the tech industry. Welcome to my digital playground where I share my journey through the ever-evolving world of software development and cloud technologies!
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Venkat Sadasivam 