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Java Mission Control 5.2 is Finally Here! Welcome 7u40!

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It has been a while since we last heard of this fancy little thing called Mission Control. It came all the way from JRockit and was renamed to Java Mission Control. This is one of the parts which literally survived the convergence strategy between HotSpot and JRockit. With today’s Java SE 7 Update 40 you can actually use it again. ...

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Deploying Identity Server over a JDBC Based User Store

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With this post I am to demonstrate how to configure WSO2 Identity Server with a JDBC user store. For the demonstration I am using a MySQL user store, but same procedure applies to any other JDBC user store as well. My environment is, OS – Ubuntu 12.10 Java – 1.6 WSO2 IS 4.5.0 Setting up MySQL database User Store Configuration ...

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Long Polling with Spring 3.2’s DeferredResult

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In our last episode, the CEO of Agile Cowboys Inc had just hired a Java/Spring consultant by giving him the Porsche that he originally bought for his girlfriend. Being upset by the loss of her prize Porsche, the CEO’s girlfriend has told his wife of their affair. His wife, after cutting up the CEO’s suites has filed for divorce. Meanwhile ...

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Android ListView with Adapter Example

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How android ListView with adapter works is not so clear to me until I read this awesome examples and article of Lucas Rocha: Performance Tips for Android’s ListView. Today I’m going to show you the code I use whenever I wanted the user to select an “item” in an AlertDialog with ListView. If you are looking for an example AlertDialog ...

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Dealing With Slow Resource Leaks

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Finding resource leaks using Java-monitor Finding slow resource leaks is key to keeping your application servers up and running for very long times. Here I explain how I use Java-monitor to spot slow resource leaks and how to verify that they are actual leaks and not just extra pre-allocation into some HTTP connector or database pool. If you follow these ...

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Bean Manipulation using Dozer Framework

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Introduction As you know you can copy file or folder from source location to destination location in any operating system. Have you ever thought about copy the java object which is basically a POJO ? There are many instances where you need to copy the source bean contents to a destination bean. I am not taking about the copy constructor, ...

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Scala Wonderland: Case classes and pattern matching

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Pattern matching is usually related to text search. In Scala it has much more sophisticated usage. You can write exciting decision logic when used together with case classes. Even after understanding what the two things mean I wasn’t able to use them as they deserve. It takes a while to really grasp them. Long and winding road. Case classes allow ...

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Unit testing a Java Hadoop job

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In my previous post I showed how to setup a complete Maven based project to create a Hadoop job in Java. Of course it wasn’t complete because it is missing the unit test part . In this post I show how to add MapReduce unit tests to the project I started previously. For the unit test I make use of ...

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How To Start With Software Security – Part 2

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Last time, I wrote about how an organization can get started with software security. Today I will look at how to do that as an individual. From Development To Secure Development As a developer, I wasn’t always aware of the security implications of my actions. Now that I’m the Engineering Security Champion for my project, I have to be. It ...

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Why You Took The Wrong Job

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The decision to join a new employer and the process leading up to the move can be fraught with emotional attachments, irrational fears, and incomplete information.  Since job searches in technology often include self-interested third parties of varying influence (e.g. recruiters, founders, hiring managers) acting within a highly competitive hiring environment, the job seeker can be pushed and pulled in ...

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