Home » Author Archives: Dinuka Arseculeratne

Author Archives: Dinuka Arseculeratne

An introduction to the Oracle Service Bus

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We are in the process of designing a new system for a telecommunication provider where we have looked at the Oracle Service Bus (OSB) to be used as the enterprise service bus. One of the first plus points for me was the amazing tooling support it encompasses. Oracle has integrated all their enterprise integration software stack into a cohesive whole ...

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An introduction to working with JAXB

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I am in the process of migrating a few modules that are dependent on Apache XMLBeans to JAXB. It has been an exciting and challenging few days. I thought of jotting down a few important things I came across for anyone who might find it useful in the future. First of all, let us look at setting up the maven plugin ...

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Few maven tips and tricks

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I was working on migrating an existing application that was using WebLogic Workshop (yes you read it right, using an IDE that is out of support) to maven. There were a few gotchas during the journey which i wanted to jot down here for anyone who might find it useful and specially for myself just as a reference. The overall ...

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Integrating JQGrid with Spring MVC and Gson

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I was working on a single page application where i wanted to use the grid functionality in one part of the application which was using Spring MVC. It has been some time since i last used JQGrid and finding the information required to get me up and about was bit of a challenge. On this post, I wanted to collate ...

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A little bit on the JVM and JIT

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As you might be aware, the JVM (Java Virtusal Machine) is what makes it possible for Java to adhere to the write-once-run-anywhere paradigm. At its core, the JVM consists of the following components: Heap Stack PermGen and Method Area JIT Compiler Code cache     The heap is where memory is allocated for every new operator you use during the ...

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Let us write a document style Web Service

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You might be aware that there are mainly four different styles of web services we can make use of. They are as follows: Document/Literal Document/Literal Wrapped RPC/Encoded RPC/Literal Of course the RPC/Encoded style is now deprecated. If you are interested you can read up on the different styles of web services and their pros on cons on this very comprehensive ...

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SuperMan bound by Java Monitors

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Its a dark time in the life of Super Man. Jor-El wants him to go on a voyage to prepare him for his ultimate destiny. Yet the Earth is faced with dooms-day and the Justice League needs their Man of Steel in action to save the world. But you cant do both at the same time since we have just ...

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Dev vs QA, should there really be a distinction?

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We had our scrum of scrum meetings last Wednesday where all scrum masters meet up with our line manager to discuss issues, bottlenecks and success stories of our previous sprint. One issue highlighted was the fact that sometimes the QA(Quality assurance) personnel are clogged up with testing issues that are in the ‘Ready for test’ stage. So one idea that ...

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Checking out what is new with Servlet 3.0

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With the JEE6 specification hitting the market, some major changes have taken place with respect to how you would approach developing applications in the enterprise application world. In this article i would be touching upon a few changes that were done with respect to web application development.                 First things first, say good ...

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