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Posted to users@tomcat.apache.org by vicky <vi...@yahoo.co.in> on 2013/11/13 23:52:53 UTC
Tomcat restart utility
All,
Is there any other tool/utility with which we can do the deployment & tomcat restart like PSI-PROBE.
I'm having issues with PSI-PROBE ,restart functionality is not available over there & following message is coming on restart screen :-
"This JVM is not controlled by Java Service Wrapper"
Unable to figure out how to fix this
Please suggest
Re: Tomcat restart utility
Posted by Christopher Schultz <ch...@christopherschultz.net>.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
Vicky,
On 11/14/13, 1:56 PM, vicky wrote:
> Isn't the tomcat restart is needed in case I need to deploy the
> war files & manually cleaning the work & temp directories (just to
> clean the cache)
A re-deploy should clean everything, and can be done while the server
continues to run. If you are using auto-deploy, you can simply update
the WAR file on the disk and your application will re-load
automatically. If you aren't using auto-deploy, you can use the
Manager webapp to manage your deployments. Your users may experience
interruptions, though, during the redeployment process.
You can also use Tomcat's parallel-deployment which allows you to
deploy an updated instance. All new sessions will be directed to the
"new" webapp, and the old ones will continue to be served by the old
instance. I haven't checked recently, but you used to have to manually
un-deploy the old instance once the session-count reached zero. You
can use the Manager webapp to undeploy these old versions.
Hope that helps,
- -chris
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Re: Tomcat restart utility
Posted by vicky <vi...@yahoo.co.in>.
Isn't the tomcat restart is needed in case I need to deploy the war files & manually cleaning the work & temp directories (just to clean the cache)
From: Christopher Schultz <ch...@christopherschultz.net>
To: Tomcat Users List <us...@tomcat.apache.org>
Sent: Thursday, 14 November 2013 8:11 AM
Subject: Re: Tomcat restart utility
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
Leon,
On 11/14/13, 5:37 AM, Leon Rosenberg wrote:
> Hello Vicky, et al,
>
> I think the easiest way to give the developers the restart
> capabilities is to get them ssh access to the user that is running
> tomcat.
>
> This is easy, secure and convenient.
+1
You can even do it via sudo if you don't want your devs to do anything
else.
Remote restart capabilities are a dangerous business (e.g. an HTTP
listener that knows how to restart services), so I would avoid them if
I were you. Restarting a Tomcat instance should be fairly rare, no?
If you use jsvc, all your devs need to be able to do is send a signal
using kill. Read the jsvn documentation to figure out which signal
that is.
- -chris
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Re: Tomcat restart utility
Posted by Christopher Schultz <ch...@christopherschultz.net>.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
Leon,
On 11/14/13, 5:37 AM, Leon Rosenberg wrote:
> Hello Vicky, et al,
>
> I think the easiest way to give the developers the restart
> capabilities is to get them ssh access to the user that is running
> tomcat.
>
> This is easy, secure and convenient.
+1
You can even do it via sudo if you don't want your devs to do anything
else.
Remote restart capabilities are a dangerous business (e.g. an HTTP
listener that knows how to restart services), so I would avoid them if
I were you. Restarting a Tomcat instance should be fairly rare, no?
If you use jsvc, all your devs need to be able to do is send a signal
using kill. Read the jsvn documentation to figure out which signal
that is.
- -chris
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Re: Tomcat restart utility
Posted by Leon Rosenberg <ro...@gmail.com>.
Hello Vicky, et al,
I think the easiest way to give the developers the restart capabilities is
to get them ssh access to the user that is running tomcat.
This is easy, secure and convenient.
regards
Leon
On Thu, Nov 14, 2013 at 4:50 AM, vicky <vi...@yahoo.co.in> wrote:
> Thanks Chris, I'm looking for restart capability only.
>
> Actually I have dozen of tomcat instances running on Linux machines, I
> want to give the restart capability to the developers team, can you please
> explain a bit
> that how I can achieve that .
>
> Many thanks again for responding & sharing the knowledge
>
>
> From: Christopher Schultz <ch...@christopherschultz.net>
> To: Tomcat Users List <us...@tomcat.apache.org>
> Sent: Wednesday, 13 November 2013 7:58 PM
> Subject: Re: Tomcat restart utility
>
>
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
>
> Vicky,
>
>
> On 11/13/13, 5:52 PM, vicky wrote:
> > Is there any other tool/utility with which we can do the deployment
> > & tomcat restart like PSI-PROBE.
> >
> > I'm having issues with PSI-PROBE ,restart functionality is not
> > available over there & following message is coming on restart
> > screen :-
> >
> > "This JVM is not controlled by Java Service Wrapper"
> >
> > Unable to figure out how to fix this
>
> Looks like PsiProbe only allows "restart" capabilities when you are
> using jsvc.
>
> In any case, using jsvc is probably the easiest way to control your
> JVM if you intend to make it "restartable". If you're on Windows, just
> use the Windows Service and use the service controller to restart Tomcat.
>
> - -chris
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.4.15 (Darwin)
> Comment: GPGTools - http://gpgtools.org/
> Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/
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> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
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Re: Tomcat restart utility
Posted by vicky <vi...@yahoo.co.in>.
Thanks Chris, I'm looking for restart capability only.
Actually I have dozen of tomcat instances running on Linux machines, I want to give the restart capability to the developers team, can you please explain a bit
that how I can achieve that .
Many thanks again for responding & sharing the knowledge
From: Christopher Schultz <ch...@christopherschultz.net>
To: Tomcat Users List <us...@tomcat.apache.org>
Sent: Wednesday, 13 November 2013 7:58 PM
Subject: Re: Tomcat restart utility
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
Vicky,
On 11/13/13, 5:52 PM, vicky wrote:
> Is there any other tool/utility with which we can do the deployment
> & tomcat restart like PSI-PROBE.
>
> I'm having issues with PSI-PROBE ,restart functionality is not
> available over there & following message is coming on restart
> screen :-
>
> "This JVM is not controlled by Java Service Wrapper"
>
> Unable to figure out how to fix this
Looks like PsiProbe only allows "restart" capabilities when you are
using jsvc.
In any case, using jsvc is probably the easiest way to control your
JVM if you intend to make it "restartable". If you're on Windows, just
use the Windows Service and use the service controller to restart Tomcat.
- -chris
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Re: Tomcat restart utility
Posted by Christopher Schultz <ch...@christopherschultz.net>.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
Vicky,
On 11/13/13, 5:52 PM, vicky wrote:
> Is there any other tool/utility with which we can do the deployment
> & tomcat restart like PSI-PROBE.
>
> I'm having issues with PSI-PROBE ,restart functionality is not
> available over there & following message is coming on restart
> screen :-
>
> "This JVM is not controlled by Java Service Wrapper"
>
> Unable to figure out how to fix this
Looks like PsiProbe only allows "restart" capabilities when you are
using jsvc.
In any case, using jsvc is probably the easiest way to control your
JVM if you intend to make it "restartable". If you're on Windows, just
use the Windows Service and use the service controller to restart Tomcat.
- -chris
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