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John Bley

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So you've been told to diagnose a performance problem in a WebLogic J2EE application. Because Java systems are so complex, this can be a bit like diagnosing a rare illness. To pinpoint the problem accurately you need to have a thorough understanding of the symptoms, be prepared to do a fair amount of investigative work, and then you must determine the proper remedy. This article offers a discussion of some of the most common types of J2EE application performance issues and their causes, followed by suggested guidelines for properly diagnosing and eliminating them. The Symptoms What are the symptoms of a WebLogic application performance problem? The symptoms you see guide your search through all possible illnesses. Get a notebook and start asking people for data. Try to separate speculation and theory about the root cause of the problem from hard evidence about the ... (more)