Piraso is an open source development tool, created on the NetBeans Platform, for debugging and analyzing request context log information captured from a supported Java web application. Piraso supports SQL and log4j context monitoring.
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Piraso provides developers with real-time application context information. Developers can do debugging, performance validation, and monitoring in all environments, even in production. After updating an application's POM, it is Piraso enabled and can be monitored by Piraso. More details: http://piraso.org/getting-started.html.