tomcat源代码
HttpServlet.service(request, response);ApplicationFilterChain implements FilterChain.doFilter():
servlet.service(request, response);//servlet=IndexServlet
support.fireInstanceEvent(InstanceEvent.AFTER_SERVICE_EVENT,
servlet, request, response);
StandardWrapperValve.invoke(request, response):
request.removeAttribute(Globals.JSP_FILE_ATTR);
if (filterChain != null) {
if (request.isComet()) {
// If this is a Comet request, then the same chain will be used for the
// processing of all subsequent events.
filterChain.reuse();
} else {
filterChain.release();
}
}
try {
if (servlet != null) {
wrapper.deallocate(servlet);
}
}
if ((servlet != null) &&
(wrapper.getAvailable() == Long.MAX_VALUE)) {
wrapper.unload();
}
long t2=System.currentTimeMillis();
long time=t2-t1;
processingTime += time;
if( time > maxTime) maxTime=time;
if( time < minTime) minTime=time;
StandardHostValve
extends ValveBase
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