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From "Shapira, Yoav" <Yoav.Shap...@mpi.com>
Subject RE: Shutdown Status in Bootstrap/Catalina
Date Mon, 03 Mar 2003 15:13:44 GMT

Howdy,
If there is a server thread that can answer, then the answer is true per
your definition, no? 

Or do you mean more precisely, request processing threads on the server?

Yoav Shapira
Millennium ChemInformatics


>-----Original Message-----
>From: Mark R. Diggory [mailto:mdiggory@latte.harvard.edu]
>Sent: Monday, March 03, 2003 10:16 AM
>To: Tomcat Developers List
>Subject: Re: Shutdown Status in Bootstrap/Catalina
>
>I was thinking strictly of only if there were server threads/processes
>up. Nothing to do with the state of the contents of those processes
>(webapps), just a straight boolean presence/absence of processes. In
>this sense it would do the following
>
>If server process/threads exist - return true
>If server process/threads do not exist - return false
>
>This would be just enough granularity to make decent decisions about
>when to call start in a restart (stop, wait till status==false, and
>start) command.
>
>-Mark
>
>Shapira, Yoav wrote:
>
>>Howdy,
>>What would you suggest as the possible outputs from the status
command?
>>
>>Personally, every time I've tried something like this I've run into
>>granularity problems.  Is the status "ok" when there is a server
>>process, when the server manager webapp is available, or when user
>>webapps are all available, or some subset thereof?  If the server is
not
>>running, how will you get a status back?  Etc etc.
>>
>>Yoav Shapira
>>Millennium ChemInformatics
>>
>>
>>
>>
>>>-----Original Message-----
>>>From: Mark R. Diggory [mailto:mdiggory@latte.harvard.edu]
>>>Sent: Monday, March 03, 2003 9:28 AM
>>>To: tomcat-dev@jakarta.apache.org
>>>Subject: Shutdown Status in Bootstrap/Catalina
>>>
>>>Hi All,
>>>
>>>We're looking into the possibility of improving the
Bootstrap/Catalina
>>>startup/shutdown that is currently used to start/stop tomcat in the
>>>JPackage RPM distribution for Tomcat 4.l.*.
>>>
>>>What are the chances that a "status" command could be added to the
>>>Bootstrap/Catalina 4.1.* classes? This would allow us to check the
>>>status of tomcat while shutting down in the shutdown scripts. For
>>>scripts that start/stop/restart tomcat as an init.d service (Redhat),
>>>the script would then be more capabile of waiting for tomcat to shut
>>>completely down before restarting becuase it wait until the status
>>>
>>>
>>changed.
>>
>>
>>>As it is now, when lots of things happen on shutdown, using a shell
>>>script "sleep" command to wait for shutdown before 'restarting'
causes
>>>the startup to start before the shutdown has fully completed. Having
a
>>>status command would give script developers better control over when
>>>tomcat has really completely shutdown. Administrators wouldn't have
to
>>>go in and muck around with the scripts sleep time when their
>>>webapps/connectors require more time to shutdown.
>>>
>>>Thanks,
>>>-Mark Diggory
>>>HMDC
>>>
>>>
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>>>
>>>
>>
>>
>>
>>
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>>
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>>
>>
>
>
>
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