Yes I have seen that, it is very bare-bones. It doesn't even use the Timer classes. I need to know how to make this robust.
Thanks, Justin -----Original Message----- From: Joseph B. Ottinger [mailto:[EMAIL PROTECTED]] Sent: 25 January 2002 12:04 To: Orion-Interest Subject: Re: Job Scheduler pattern The www.orionsupport.com site has a sample scheduler that can easily be converted to do something like this. On Fri, 25 Jan 2002, Justin Crosbie wrote: > Hi, > > I'm not sure if I've asked this before, or if I should be asking on a > general EJB list. > > I'd like to implement a job scheduler in J2EE. This would shcedule the > execution of EJB methods at a specified time in the future. It would have to > be persistent, and jobsd would be rescheduled upon appserver restart. > > Is it as simple as using the Timer and TimerTask in java.util to implement > an app that is started with the <client-module> tag? > > Does it matter as far as Orion goes whether I use a java.util.Timer as a > daemon or not? > > What can I do if the app, or the Timer object dies at any stage? > > I've had problems where after some time something goes wrong I get a strange > Remote Exception, and the only solution is to restart the VM. What might > cause this? > > Any opinions on this? How do I make this solution robust is what I am > asking. > > Thanks for any help, > Justin > ----------------------------------------------------------- Joseph B. Ottinger [EMAIL PROTECTED] http://adjacency.org/ IT Consultant
