You could also just add a line in you shell script or batch file to send
email after tomcat has run.

FWIW, I like your option (2): you can even detect catastrophic failures on
the server, just by locating the program on another (theoretically "safer")
machine.

And, can I mention that I'm entertained that anyone still uses the word
"abend"? ;-)


                                                            -- Bill K.


> -----Original Message-----
> From: Mark Mynsted [mailto:[EMAIL PROTECTED]]
> Sent: Monday, April 16, 2001 9:31 AM
> To: [EMAIL PROTECTED]
> Subject: RE: Tomcat monitor/poller/email
> 
> 
> Yes, that helps.
> 
> Has anybody written one of these from scratch?  What approach 
> did you take?  
> I am curious what approach folks have taken.
> 
> If I write one myself I thought of the following options:
> 1. Open a system semaphore at the start of Tomcat. Have an 
> email program sit on the semaphore.  If Tomcat dies, and it's 
> semaphore dies (which it would/should) then send an email.
> 2. Use a socket.  Open a socket connection between a mail 
> program and Tomcat.  If Tomcat breaks the connection, send email.
> 3. Open an email thread as a hook into Tomcat's runtime via 
> Runtime.getRuntime().addShutdownHook(emailThread).  But this 
> will not catch an abend, such as a native code failure.
> 4. Other
> 
> >>> [EMAIL PROTECTED] 4/13/2001 11:40:05 PM >>>
> 
> Not free but very reasonable priced:  http://www.ipsentry.com/ 
> 
> If your server is open to the Intranet, we are using 
> www.netmechanics.com 
> for 10$
> a month.
> 
> Hope this helps.
> 
> Tal
> 
> > -----Original Message-----
> > From: Mark Mynsted [mailto:[EMAIL PROTECTED]] 
> > Sent: Friday, April 13, 2001 3:08 PM
> > To: [EMAIL PROTECTED] 
> > Subject: Tomcat monitor/poller/email
> >
> >
> > Has anybody out there set anything up that will email them in the
> > event the Tomcat would crash or not be running?  (Or know of free
> > software that can do that.)  I am running Tomcat under Windows NT.
> >
> > If so please let me know.  (I do not want to re-create the wheel.)
> >
> > I have NOT had trouble with Tomcat crashing, I simply need to do
> > this for my SLA.
> >
> >
> 
> 
> 

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