Jeng Yoong Tan

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Adding logging to portlet code is usually an afterthought during the development cycle. The issue of logging usually only comes up after a portlet has been deployed in production and an error occurs. Then you hear, "Well, the problem didn't happen during testing." This paper steps you through the three different logging mechanisms available for portlets. The first demonstrates the WebSphere Portal's built-in logging mechanism. The second is a roll-your-own version of the base WebSphere Portal logging. The third shows you how to add Log4j to your portlet. Add WebSphere PortletLog to a Basic Portlet Start by creating a basic portlet using the IBM Rational Software Development Platform. All of the examples in this article should be run in the J2EE perspective. Using the navigation bar, go to File=>New=>Other=>Portlet Project. Click Next. Enter the project name Test Log. ... (more)