Wow, mine eye's have been opened! I had always thought it was just
individual servlets that were reloaded. In this case I guess I can live
with destroying everything on reload, because the stuff I wanted to keep
up is stored in the ServletContext.
Thanks for the clarification,
Mark
Craig R. McClanahan wrote:
>
> On Wed, 3 Apr 2002, Mark Diggory wrote:
>
>
>>Date: Wed, 03 Apr 2002 12:24:31 -0500
>>From: Mark Diggory <mdiggory@latte.harvard.edu>
>>Reply-To: Tomcat Users List <tomcat-user@jakarta.apache.org>,
>> mdiggory@latte.harvard.edu
>>To: Tomcat Users List <tomcat-user@jakarta.apache.org>
>>Subject: Re: Servlet Destroy Method....
>>
>>Yes I was looking to "not do something" in the destroy() method if its
>>just the case that the servlet is being reloaded by the server.
>>Otherwise, if the server was actually going through a shutdown process
>>then I want my destroy() method to do something.
>>
>>
>
> Java doesn't have any means to replace an existing class. So, when Tomcat
> does a reload to reflect your updated servlet or bean class, it has to:
> - Shut down the entire webapp
> - Throw away the webapp class loader and all the classes
> that were previously loaded from /WEB-INF/classes and /WEB-INF/lib
> - Restart the entire webapp
>
> Given this, there is basically no difference between what Tomcat does on a
> reload versus a normal shutdown (except, of course, for the fact that the
> app is not restarted again). There also isn't anything you could really
> do differently even if you knew which kind of shutdown it was, because the
> rest of the webapp is getting thrown away as well as the class you just
> recompiled.
>
>
>>-Mark
>>
>>
>
> Craig
>
>
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