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XML Creation with DOM in Java

Awhile back I wrote a blog about parsing XML documents with the DOM facilities provided by Java. As it turns out you can use the same API to programmatically create an XML document. So I’ve dusted off the old XmlDomDocument class and added some methods that make it easy to build an XML document from…

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Mimic CGI Behavior in RESTful Java Web Services

In my article RESTful Java Web Services with NetBeans, Jersey and Tomcat I showed you how to create a simple Java web service to handle HTTP GET and POST requests. The service handlers in this example didn’t do much. The GET handler just returned a single string and the POST handler echoed back any text…

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Debugging Hadoop Applications with IntelliJ

In my last blog, I explained how to create and configure a Hadoop development environment so that you can build the jars and example applications from the Hadoop source code you get from the Apache Hadoop trunk repository. This time around I’ll show you how to debug your Hadoop applications using the IntelliJ Community Edition…

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Create a Hadoop Build and Development Environment

One of the first things I had to do when I started working with Hadoop was fix bugs within the Hadoop stack. To be able to work on Hadoop internals requires numerous programming tools and libraries. If you have a desire or need to work on Hadoop code, I’ve summarized the packages you need to…