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Key Exchange Patterns with Web Services Security

When we have message level security with web services – how we achieve integrity and confidentiality is through keys. Keys are used to sign and encrypt messages been passed from the rqeuestor to the recipient or form the client to the service and vise versa. During this blog post, we’ll be discussing different key exchange patterns and their related use ...

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Apache HTTP server with Tomcat on SSL

Introduction I recently needed to simulate our production deployment environment in my local machine. Our production applications are running on Apache HTTP server. We deploy application on multiple tomcat instances and also different Tomcats for different URL name spaces. Apache HTTP server is responsible as front door for all these. Apache HTTP server connects to the tomcat with mod_jk over ...

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Managing Jenkins job configurations

In JBoss Tools and Developer Studio, we manage a lot of build jobs in Jenkins. In fact, for the 3.2.x/4.x and 3.3.x/5.x streams, there are over 195 jobs. When we start building our next year’s first milestone, we’ll spawn another 40+ jobs. Here are some of them: http://hudson.jboss.org/hudson/view/JBossTools/view/JBossTools_Trunk/ http://hudson.jboss.org/hudson/view/JBossTools/view/JBossTools_3.3.indigo http://hudson.jboss.org/hudson/view/JBossTools/view/JBossTools_3.2.helios To assist in performance, we use maven profiles in our ...

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Why do we insist on consensus on the role of Ops?

I’ve seen so many threads over the last few weeks about who should do what, why, and what you should do about it if you don’t conform. I don’t get it. Ops is a team in a company – there are lots of types of companies. Companies typically have a few goals: Make mone  Change the world, as long as ...

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Extract, Inject, Kill: Breaking hierarchies – Part 2

 In part one I explained the main idea behind this approach and  I started this example. Please read part one before reading this post Although the main ideas of Extract, Inject, Kill is already expressed, it’s good to finish the exercise just for completion’s sake. Here is where we stopped: Let’s have a look at the VoucherPricingService, that now is the ...

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Extract, Inject, Kill: Breaking hierarchies – Part 1

Years ago, before I caught the TDD bug, I used to love the template method pattern. I really thought that it was a great way to have an algorithm with polymorphic parts. The use of inheritance was something that I had no issues with. But yes, that was many years ago. Over the years, I’ve been hurt by this ‘design ...

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java.lang.NoClassDefFoundError: How to resolve – Part 1

Exception in thread ‘main’ java.lang.NoClassDefFoundError is one of the common and difficult problems that you can face when developing Java EE enterprise or standalone Java applications. The complexity of the root cause analysis and resolution process mainly depend of the size of your Java EE middleware environment; especially given the high number of ClassLoaders present across the various Java EE ...

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Query grid with struts 2 without plugin

When using jQuery with struts 2, the developers are persuaded to use struts2-jQuery plug-in. Because most of the forums and other Internet resources support struts2 jQuery plug in. I have this experience. I wanted to use jQuery grid plug-in with struts 2,but without using struts2 jQuery plug-in. It was very hard for me to find a tutorial or any good ...

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How to analyze Thread Dump – IBM VM

This article is part 4 of our Thread Dump analysis series which will provide you with an overview of what is a JVM Thread Dump for the IBM VM and the different Threads and data points that you will find. As you will see and learn, the IBM VM Thread Dump format is different but provides even more out-of-the-box troubleshooting ...

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