RULE Count All Successful Servlet Invocations
CLASS javax.servlet.http.HttpServlet
METHOD service(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
AT EXIT
IF TRUE
DO createCounter("servlet.allInvocations", 0),
   incrementCounter("servlet.allInvocations"),
   traceln("*** ServletTrace: allInvocations=[" + readCounter("servlet.allInvocations") + "]")
ENDRULE

RULE Start Trace Servlet Invocation
CLASS javax.servlet.http.HttpServlet
METHOD service(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
AT ENTRY
BIND servletPath = $1.getServletPath(),
     contextPath = $1.getContextPath()
IF TRUE
DO createCounter("servlet.trace-" + contextPath + servletPath, 0),
   resetTimer("servlet.trace-" + contextPath + servletPath),
   traceln("*** ServletTrace: startInvocation=[" + contextPath + servletPath + "]")
ENDRULE

RULE End Trace Servlet Invocation
CLASS javax.servlet.http.HttpServlet
METHOD service(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
AT EXIT
BIND servletPath = $1.getServletPath(),
     contextPath = $1.getContextPath()
IF TRUE
DO incrementCounter("servlet.trace-" + contextPath + servletPath),
   traceln("*** ServletTrace: endInvocation=[" + contextPath + servletPath + "]" + ", count=[" + readCounter("servlet.trace-" + contextPath + servletPath) + "], elapsedTime=[" + getElapsedTimeFromTimer("servlet.trace-" + contextPath + servletPath) + "]")
ENDRULE