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Posted to users@tomcat.apache.org by David kerber <dc...@verizon.net> on 2007/10/23 14:50:33 UTC
Rebooting server under program control
What would I need to do to give me the ability to reboot a windows 2003
server machine under the control of my TC 5.5 app (JRE 1.5)? Is there a
java system call I can use, or do I need to call an external
routine/script to accomplish this?
Thanks!
D
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Re: Rebooting server under program control
Posted by David kerber <dc...@verizon.net>.
Christopher Schultz wrote:
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> David,
>
> David kerber wrote:
>
>>> On Win XP there's shutdown.exe which you could call via Runtime#exec. My
>>> bet would be that shutdown.exe comes with Win 2003 too.
>>>
>>>
>> Thanks for the suggestion!
>>
>
> Don't forget that a machine can always stay up when it's been requested
>
Yes, I've been bitten by that before.
> to go down. You might want to have some external program that
> orchestrates this process: it tells your app to attempt to reboot the
> server, then it watches. If the server goes down and comes back up on a
> reasonable schedule (you decide), it's a success. Otherwise, flip the
> power on your power device (you /do/ have a controllable power device,
>
That's why we buy the more-expensive UPS's...
> don't you?!), wait a few seconds and flip the power back on.
>
> You should always have a cold-restart capability in the event that the
> hot-restart fails. Otherwise, you end up with machines that are stuck in
> shutdown mode, but are never shutting down.
>
> - -chris
>
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Re: Rebooting server under program control
Posted by Christopher Schultz <ch...@christopherschultz.net>.
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David,
David kerber wrote:
>> On Win XP there's shutdown.exe which you could call via Runtime#exec. My
>> bet would be that shutdown.exe comes with Win 2003 too.
>>
> Thanks for the suggestion!
Don't forget that a machine can always stay up when it's been requested
to go down. You might want to have some external program that
orchestrates this process: it tells your app to attempt to reboot the
server, then it watches. If the server goes down and comes back up on a
reasonable schedule (you decide), it's a success. Otherwise, flip the
power on your power device (you /do/ have a controllable power device,
don't you?!), wait a few seconds and flip the power back on.
You should always have a cold-restart capability in the event that the
hot-restart fails. Otherwise, you end up with machines that are stuck in
shutdown mode, but are never shutting down.
- -chris
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Re: Rebooting server under program control
Posted by David kerber <dc...@verizon.net>.
Markus Schönhaber wrote:
> David kerber wrote:
>
>
>> What would I need to do to give me the ability to reboot a windows 2003
>> server machine under the control of my TC 5.5 app (JRE 1.5)? Is there a
>> java system call I can use, or do I need to call an external
>> routine/script to accomplish this?
>>
>
> I would be surprised if there was a standard Java function that shuts
> down a machine.
>
That was my suspicion when googling turned up absolutely nothing.
> On Win XP there's shutdown.exe which you could call via Runtime#exec. My
> bet would be that shutdown.exe comes with Win 2003 too.
>
Thanks for the suggestion!
> Regards
> mks
>
D
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Re: Rebooting server under program control
Posted by Markus Schönhaber <ma...@schoenhaber.de>.
David kerber wrote:
> What would I need to do to give me the ability to reboot a windows 2003
> server machine under the control of my TC 5.5 app (JRE 1.5)? Is there a
> java system call I can use, or do I need to call an external
> routine/script to accomplish this?
I would be surprised if there was a standard Java function that shuts
down a machine.
On Win XP there's shutdown.exe which you could call via Runtime#exec. My
bet would be that shutdown.exe comes with Win 2003 too.
Regards
mks
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