Centralized Logging to a database with alerts and powerful RCP-UI
LEMA is an easy to use Log-Server. It supports asynchronous logging of multiple applications (log4j-appender). The logs are processed and save to a database. An RCP-UI supports Live View, History View with advanced filters. You can use it for Error Monitoring / Notification; in order to do this a rule-based labellng (for instance stacktrace grouping) is performed by the server.
A web-based alert and monitoring system for your databases. Create logical assertions for your data in a unit test-style fashion and receive email alerts when they fail. Ideal for monitoring the integrity of complex enterprise data warehouses.