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From Bo Xu ...@cybershop.ca>
Subject Re: creating a instance of a servlet: takes too long!!
Date Fri, 06 Jul 2001 13:19:10 GMT
pedro salazar wrote:

> Greetings,
>
> why is that my servlet when the first time is invoked, it takes about 30
> seconds or more to start when the servlets that came in tomcat are
> instantaneous? After the servlet container instantiated and initialized my
> servlet, all the following requests are very fast. Is there any advice for
> what we should do and don't do in init() method? I just initialize some
> properties and a connection pool....
> Well is it possible that my servlet container at any time my may shutdown my
> servlet to release memory, and another time it will be requested to start
> again and take another time too long to start, correct?
>
> How can I benchmark the time of instantiation of my servlet and the time of
> my init method?
>
> System configuration:
> -Tomcat 3.2.1
> -JDK 1.3
> -Linux RedHat 6.2 [kernel 2.2.18]
> -PII400Mhz 256Mbytes
>
> thanks.
> --
> <psalazar/>

Hi :-)  one of the ways is like the following:

in WEB-INF/web.xml, add the following into the servlet-declaration of
MyServlet:
...
<load-on-startup>1</load-on-startup>
...

now MyServlet will be loaded/initialized when TC startup.


Bo
June 06, 2001



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