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From "Brandon Goodin" <m...@phase.ws>
Subject RE: Running a heartbeat program in struts.
Date Sun, 02 Feb 2003 05:15:59 GMT
This is the BEST open source cron like timer that I have seen. It is very
robust and extendable. I have used it in several webapps (in a virtual
hosting environment running several webapps) doing exactly what you are
doing. Check this link out. I think it will provide you with what you need.

http://www.part.net/quartz.html

Brandon Goodin
Phase Web and Multimedia
P (406) 862-2245
F (406) 862-0354
mail@phase.ws
http://www.phase.ws


-----Original Message-----
From: Ron Day [mailto:ronday@ronday.cc]
Sent: Saturday, February 01, 2003 11:38 PM
To: Struts Users Mailing List
Subject: RE: Running a heartbeat program in struts.


Thanks for tip.

R

-----Original Message-----
From: Robert Taylor [mailto:rtaylor@mulework.com]
Sent: Saturday, February 01, 2003 6:03 PM
To: Struts Users Mailing List
Subject: RE: Running a heartbeat program in struts.


Take a look at java.util.Timer and java.util.TimerTask.
More specifically Timer.scheduleAtFixedRate().

It will greatly simplify your background process.

robert

> -----Original Message-----
> From: Ron Day [mailto:ronday@ronday.cc]
> Sent: Sunday, February 02, 2003 12:47 AM
> To: Struts Users Mailing List
> Subject: Running a heartbeat program in struts.
>
>
> I am planning on putting a small heartbeat program as part of my Struts
> application. The heartbeat program will request HTTP headers from an
> external web server every 5 minutes or so, and if the response is not a
> 200,will send email to 3 people.
>
> I plan on using a java class that starts a thread in the init
> method of the
> controller servlet. This thread will sleep for 5 minutes between sending
> requests to the external web server. It in turn will call a custom
> mail-sending class if the response is not 200.
>
> First, does anyone have any code like this, before I start coding,
> Second, any comments on my approach,
> Third, is there a better way (in Java of course).
>
> Thanks for any comments you have
>
> Ron
>
>
>
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