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From Adam Buglass <adam.bugl...@ncl.ac.uk>
Subject RE: Tomcat "reboot" runtime
Date Thu, 13 May 2004 16:18:55 GMT
Hi,

I'm not looking at highly specific tomcat code, that's way more
complicated than I'm thinking about.

I also don't see the need to faff about with shutdown - wait - startup. 

I was thinking (at a rather simplistic level) of having a restart script
which can be called from a JSP / Java class. I'm sure a Java program
could be written to call the shell script.

Alternatively you could try and exploit the kill -HUP command.
Probably the best way of doing this would be to setup tomcat to create a
pid file on startup a la Apache.

I will apologise now for not just going ahead and attempting to set this
up of my own accord on my system. I have no Internet access at home (in
fact I only just have a PC!) and work is far to hectic at this time for
non-essential messing about (a great shame!) :-(

Adam.

On Thu, 2004-05-13 at 17:01, Shapira, Yoav wrote:
> Hi,
> What's running your program (in order to wait and issue a startup
> command) after you've done a shutdown? ;)  
> 
> (Unless you're talking about highly tomcat-specific code that shuts down
> tomcat and leaves the JVM itself running)
> 
> Yoav Shapira
> Millennium Research Informatics
> 
> 
> >-----Original Message-----
> >From: Timothy_Sabin@ao.uscourts.gov
> [mailto:Timothy_Sabin@ao.uscourts.gov]
> >Sent: Thursday, May 13, 2004 11:55 AM
> >To: Tomcat Users List
> >Subject: RE: Tomcat "reboot" runtime
> >
> >Personally, I don't see why the scheme that Adam came up with wouldn't
> >work. You would want your program to do a shutdown, wait, then issue a
> >startup command.
> >
> >--Tim Sabin
> >
> >
> >
> >
> >"Shapira, Yoav" <Yoav.Shapira@mpi.com>
> >05/13/2004 11:23 AM
> >Please respond to
> >"Tomcat Users List" <tomcat-user@jakarta.apache.org>
> >
> >
> >To
> >"Tomcat Users List" <tomcat-user@jakarta.apache.org>
> >cc
> >
> >Subject
> >RE: Tomcat "reboot" runtime
> >
> >
> >
> >
> >
> >
> >
> >Hi,
> >I, on the other hand, would be interested to see what you come up with,
> >so don't stop your train of thought on my account.
> >
> >Yoav Shapira
> >Millennium Research Informatics
> >
> >
> >>-----Original Message-----
> >>From: Adam Buglass [mailto:adam.buglass@ncl.ac.uk]
> >>Sent: Thursday, May 13, 2004 11:13 AM
> >>To: Tomcat Users List
> >>Subject: RE: Tomcat "reboot" runtime
> >>
> >>Wouldn't it be possible to restart tomcat by writing a server-side
> >>program to trigger a shell-script?? Of course that may disrupt the
> >>operation of the website itself - I'd have to consult the docs to be
> >>clearer on that.
> >>
> >>If Yoav says it can't be done then I'm sure we'd be wasting our time
> by
> >>trying!  ;-)
> >>
> >>However I'm curious, just thinking off the top of my head! :-)
> >>
> >>Adam
> >>
> >>On Thu, 2004-05-13 at 15:56, Shapira, Yoav wrote:
> >>> Hi,
> >>> No to both.
> >>>
> >>> Yoav Shapira
> >>> Millennium Research Informatics
> >>>
> >>>
> >>> >-----Original Message-----
> >>> >From: Rudolf Feyerkleist [mailto:rudolffeyerkleist@yahoo.com]
> >>> >Sent: Thursday, May 13, 2004 8:11 AM
> >>> >To: tomcat-user@jakarta.apache.org
> >>> >Subject: Tomcat "reboot" runtime
> >>> >
> >>> >Is there a way to restart tomcat from a webapplication running on
> >>> tomcat?
> >>> >Or is there a way for canges to the server.xml of tomcat to become
> >>> >effective at runtime?
> >>> >
> >>> >__________________________________________________
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> >>--
> >>
> >>Adam Buglass,  ><>
> >>The Golden Freeway,
> >>Department of Child Health,
> >>University of Newcastle-upon-Tyne.
> >>Royal Victoria Infirmary.
> >>
> >>(0191) 2023062
> >>
> >>"Democracy is two wolves and a lamb voting on what to have for lunch.
> >>Liberty is a well-armed lamb contesting the vote."
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> 
> 
> 
> This e-mail, including any attachments, is a confidential business communication, and
may contain information that is confidential, proprietary and/or privileged.  This e-mail
is intended only for the individual(s) to whom it is addressed, and may no
> 
> 
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-- 

Adam Buglass,  ><>
The Golden Freeway,
Department of Child Health,
University of Newcastle-upon-Tyne.
Royal Victoria Infirmary.

(0191) 2023062

"Democracy is two wolves and a lamb voting on what to have for lunch.
Liberty is a well-armed lamb contesting the vote." 
~Benjamin Franklin, 1759


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