On Fri, 1 Apr 2005 11:45:40 +0100 "Mark Benussi" <[EMAIL PROTECTED]> wrote:
> I would place your e-mail in a MailManager that queues the messages and > sends them out on a TimerTask (Every 10 seconds???). > > Secondly from a pernickety perspective I would not have a Servlet doing any > of what you described. At least place this code a level down in a Manager > class that can coordinate with the MailManager. > But the MailManager you speak about, doesn't exist in Tomcat. So, it runs in the Tomcat's jvm (I understood Steve didn't want this) or in other jvm ? And, if it is in another jvm, how your servlet communicate with the MailManager ? Rather than TimerTasks, a good issue for these needs could be Quartz (http://www.opensymphony.com/quartz/) > -----Original Message----- > From: Lionel Farbos [mailto:[EMAIL PROTECTED] > Sent: 01 April 2005 11:39 > To: Tomcat Users List > Cc: [EMAIL PROTECTED] > Subject: Re: [OT] Proper way to open threads in a servlet > > Your question is not really Tomcat so I put it Off Topic. > > On Fri, 1 Apr 2005 15:24:10 +1000 > "Steve Vanspall" <[EMAIL PROTECTED]> wrote: > > > Hi there, > > > > I am concerned that opening a thread in my serlvet using new > Thread(Runnable) style code, is causing a massive hang in my system. > > > > I don't understand why this hang your system !?... > You can't do like this but don't forget to daemonize your thread. > > If you don't want your thread to run in the same JVM as Tomcat, > you can send a message to a daemon; then the daemon (in another JVM and/or > another server) will receive the messages and treat them (in new Threads). > To send messages, you can use JMS (so, you need a JMS server) or sockets TCP > or UDP (see java.net). > > > > > Basically what the thread does is email people to notify them of a change > in an order on the system. > > > > I want the emails to be sent in a separate thread so that the user doesn't > have to wait for this to complete to return to the system. > > > > Basically the email is a non crucial part, the action has already been > performed. I know this isn't specifically a Tomcat question, but I thought I > would ask it anyway. > > > > The two ways this could work is that the email is placed in a queue, that > is checked periodically, or just somehow the email(s) are sent in the > background, but without opening a new thread using code. > > > > Can anyone give me some pointers on how to do this. Yes I have been > searching around, but haven't found much information. > > > > Tahnks in advance > > > > Steve > > > > > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
