Useful links

Running Tomcat as a Service on Windows (Thread Dumps Enabled)
Running ActiveMQ as a Service on Windows (Thread Dumps Enabled)
Apache Tribes
Tomcat 4 and Tomcat 6 Precompile script - simulate runtime compilation to enable JSP reloading with precompiled JSPs
The KISS principle, a developers must
ApacheCon Home Page
ApacheCon 2006 Slides - Scalable Group Communication in Heterogenous Clusters
Proposed Geronimo Cluster API - (July 13th, 2006)
Serving up error pages from file using the GlobalErrorReportValve
ApacheCon EU 2007 Submissions
Hacking Tomcat - ApacheCon US 2007
Zero Latency HTTP - ApacheCon US 2007