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Blog Archive for spericas during August 2006

Back in April, I blogged about using the Japex regression tracking tool to monitor performance over time. This tool computes a diff between the last two reports and sends alerts via e-mail if a regression (or a progression) higher than a threshold is detected. In addition to looking at the last two reports, performance can be tracked by analyzing trends, i.e. by plotting performance results over...
It has been a while since my last blog about Japex. I'm currently working on a couple of improvements: the first involves cleaning up and simplifying the Japex trend reporting tool (but more on this on a later installment) and the second is about conditional processing in configuration files, the topic I would like to talk about today. Readers not familiar with Japex and the structure of its...
The JAXP API defines a pluggability layer which allows easy swapping of implementations via the use of system properties and meta-information stored in JAR files. I have recently found that the mechanism by which factory classes are located and loaded still causes a great deal of confusion. I've recently cleaned up this code in JAXP 1.4, available as part of J2SE 6.0 (Mustang), and decided to...