Answer Posted / dinesh/bangalore/india

Details about load on startup (load-on-startup tag) in
Servlet:
Used to decide whether servlet will be " lazily " or "
eagerly " loaded
Specified in web.xml file

If the value is not specified or is a Number < 0 then it
means " lazy loading "

What " lazy loading " means is that servlet is NOT loaded
by container on startup

Servlet in this case is loaded on the first client request -
so the first client can experience poor performance

" Eager " loading means that the servlet is initialised on
container startup

If there are two servelts A & B with values 0 & 1 than it
means that Servlet A ( having value = 0 ) will be loaded
first

So if there are more than one servlet this element
specifies the order of loading - lower integer values (
including zero ) are loaded first

If you specify this element but do not provide the value -
even then the servlet will be the first servlet that gets
loaded

To ensure that servlet follows " lazy loading " - do not
provide this entry at all in web.xml file OR provide a
negative number.

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