tomcat-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Avi Deitcher <...@deitcher.net>
Subject Re: Run shell script when web application start/restart
Date Thu, 13 Jul 2006 15:01:00 GMT
Well, if you have to, from the shell script, you can probably connect to
the tomcat manager URL and tell it to do the right thing. Still, all and
all, it is hard to believe it isn't faster to refactor the JSP pages.

Tom Potter wrote:

> The reason for me choosing the first, messy solution was that
> this had to be a quick fix, rewriting the logic in the JSP pages
> was out of the question (and way above the allocated budget ;) ).
>
> Of course I had the shell scripts and configuration files so it
> seemed just the right solution to  use these tools in the startup
> process of the webapp.
>
> It seems that I can convince the cusomer to just run the shell
> scripts that modify(actually generate) the JSP pages but then I face
> an other problem. After generating and copying the JSP pages in the
> right place how can I tell tomcat (from the shell script) to restart
> the application (or to recompile the pages) ?
>
> Rgds
> Thomas
>
> On 7/13/06, Avi Deitcher <avi@deitcher.net> wrote:
>
>>
>> I don't think so. You could, theoretically, have a context listener that
>> then executes a shell script, but that is really messy, and the security
>> manager probably won't even allow it.
>>
>> If I understand correctly, you want to have the following happen on
>> context restart:
>> - JSP pages get rebuilt from some macros or config files
>>
>> I can think of two ways to do this. The not-so-great way is to have a
>> context listener read the config files and generate the pages. The
>> problem is that I don't know when JSP pages are compiled by the Tomcat
>> engine - before or after context listeners are invoked. I believe you
>> can force a re-compilation of the JSP pages at that point, but I am not
>> sure how.
>>
>> The much smarter way is to ask why your JSP pages need to be
>> macro/dynamically generated. JSP includes enough logic tags. Why not
>> refactor your JSP pages so that they read the configuration files and
>> output the appropriate information? This would be much cleaner, and
>> probably wouldn't even require context restart?
>>
>> Tom Potter wrote:
>>
>> > Jen,
>> >
>> > Just to make sure that we both talk about the same events :
>> > I don't want to restart the whole tomcat, only one web application,
>> > that is, by clicking on the start link(or restart) in on the admin
>> page.
>> > I don't see how your suggestion would help me... if I'm missing
>> > something please make it clear to me...
>> >
>> > Rgds
>> > Thomas
>> >
>> > On 7/13/06, Mead, Jennifer L - VSCM <Mead.Jennifer@vectorscm.com>
>> wrote:
>> >
>> >>
>> >> On my box the start and stop scripts are just that.  .sh shell
>> scripts.
>> >> In your case I would just copy them to a save file and put in an
>> >> execution string.  The start scripts are in tomcat_home/bin.
>> >>
>> >> Jen
>> >>
>> >> -----Original Message-----
>> >> From: Tom Potter [mailto:nullpointer.gpf@gmail.com]
>> >> Sent: Thursday, July 13, 2006 5:28 AM
>> >> To: users@tomcat.apache.org
>> >> Subject: Run shell script when web application start/restart
>> >>
>> >> The JSP pages in the Web application I install under Tomcat 4.1.30
>> are
>> >> based on some configuration files the user wants to modify, thus I
>> wrote
>> >> a shell script to rebuild the JSP pages and repopulate the webapps
>> >> folder.
>> >>
>> >> My question is that is there a way to hook up my shell script with
>> the
>> >> webapp start/stop proces so it would run at every startup, in other
>> >> words the user would activate my script by restarting the
>> application ?
>> >>
>> >> Thanks
>> >> Thomas
>> >>
>> >> ---------------------------------------------------------------------
>> >> To start a new topic, e-mail: users@tomcat.apache.org
>> >> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
>> >> For additional commands, e-mail: users-help@tomcat.apache.org
>> >>
>> >>
>> >
>>
>> -- 
>> ______________________________
>> Avi Deitcher
>> avi@deitcher.net
>>
>>
>>
>> ---------------------------------------------------------------------
>> To start a new topic, e-mail: users@tomcat.apache.org
>> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
>> For additional commands, e-mail: users-help@tomcat.apache.org
>>
>>
>

-- 
______________________________
Avi Deitcher
avi@deitcher.net



---------------------------------------------------------------------
To start a new topic, e-mail: users@tomcat.apache.org
To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
For additional commands, e-mail: users-help@tomcat.apache.org


Mime
View raw message