running! a servlet at tomcat startup 2007-11-05 - By Johnny Kewl
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-- -- Original Message -- --
From: "loredana loredana" <loredana888888@(protected)>
To: "Tomcat Users List" <users@(protected)>
Sent: Monday, November 05, 2007 11:48 AM
Subject: Re: running! a servlet at tomcat startup
thanks for the response johnny. That's probably the only way it can be
done.. Unfortunatelly for me, I need variables like request.getContextPath()
and from init() method i can't "retrieve" those values. 10x a lot anyway.
===================================
Ah, I see now...
Yes parsing context.xml is too much hassle..
Heres an idea...
When someone drops a WAR in, the context always takes on the webapp name.
ie for most apps... webapp name = context
So try this...
ServletContext context = getServletContext();
String sWebBase = context.getRealPath("/");
Than last folder is the context name...
Some String parsing and you got it ;)
Good luck
===================================
-- -- Original Message ----
From: Johnny Kewl <john@(protected)>
To: Tomcat Users List <users@(protected)>
Sent: Monday, November 5, 2007 10:58:54 AM
Subject: Re: running! a servlet at tomcat startup
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HARBOR: http://coolharbor.100free.com/index.htm
Now Tomcat is also a cool pojo application server
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-- -- Original Message -- --
From: "loredana loredana" <loredana888888@(protected)>
To: <users@(protected)>
Sent: Monday, November 05, 2007 10:32 AM
Subject: running! a servlet at tomcat startup
This issue is a classic one already I think. I've googled it and
haven't
found anything that could help solving this problem. I'm probably not
the
one to think about this but...if you would add the
<load-on-startup>1</load-on-startup> to a servlet, and from the init()
method you would somehow try to call the doGet() method, wouldn't that
do
it? wouldn't that run the servlet at startup? did anybody try this
already?
I am trying to do this but I'm having some problem creating
HttpServletRequest and Response objects so I can call doGet(). So if
anyone
did this already, pls let me know how this issue can be fixed! 10x a
lot!
=======================
Hi loredana,
Not sure if you asking or answering ;)
Yes, <load-on-startup> and then do stuff in the INIT method.
No, why try call doGet().... just init the functions that need initing,
like
the dBPool, or image processing.
The doGet implies you want to return info to a browser.... there isnt
one?
The Init method runs just once.... thats the idea.
<load-on-startup> just lets you get the INIT out of the way, otherwise
it
will happen on the first browser request, and if it takes a long time
the
browser will seem very slow to the user... but that only happens once
anyway.
????????
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