dev@glassfish.java.net

Re: New Feature: Remote Restart

From: Kedar Mhaswade <Kedar.Mhaswade_at_Sun.COM>
Date: Tue, 07 Apr 2009 14:45:48 -0700

No. java -jar (-cp) way of starting does not have an additional process
unlike asadmin start-domain (asadmin VM itself, which launches the server's
VM). However this can be added if desired. D'you want to see it with java -jar?


- Kedar

Vince Kraemer wrote:
> Does this apply to the 'java -cp glassfish.jar' startup method, too?
>
> Thanks,
> vbk
>
> Byron Nevins wrote:
>> A new feature is now in place: Remote Server Restart
>>
>> How to use it:
>>
>> 1) start a domain with asadmin. You don't need to specify any special
>> options. It will automatically start both the domain and a "watchdog"
>> process. The watchdog is very lightweight. It will not block and it
>> will return once it has verified that the domain has started. So
>> scripts that start domains should work exactly as before.
>> e.g. *asadmin start-domain
>>
>> *2)* *to restart the domain, run this remote command from any computer:
>> *asadmin restart-domain
>>
>> *3) to stop the domain and the watchdog simply run
>> *asadmin stop-domain
>> *
>> Notes:
>>
>> * To NOT start the watchdog you need to run start-domain with the
>> "--nowatchdog" option.
>> * You can start the domain with the --verbose option and it will
>> be a watchdog and will echo all server log messages
>> * The watchdog process owns no window and its name in jps will
>> appear as ASWatchdog
>> * In Verbose mode the name will appear as before and it does have
>> a window and it blocks on the domain.
>> * If you try the restart-domain on a domain that was started with
>> no watchdog - it is (by definition) an error and the domain will
>> not be stopped.
>> * Killing the server always kills the watchdog automatically.
>> Vice versa will be true too when the issue below is fixed.
>>
>> Known Issue:
>>
>> * If you kill the watchdog process it will not kill the server.
>> It will eventually do this exactly like verbose handles ^C
>> entered at the console
>>
>>
>> --
>> Byron Nevins Work 408-276-4089, Home 650-359-1290, Cell 650-784-4123 -
>> Sun Microsystems, Inc.
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>
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