geronimo-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Matt Hogstrom <m...@hogstrom.org>
Subject Re: When has the server started?
Date Tue, 05 Sep 2006 20:29:16 GMT
I'm not sure that happens in every instance.  I seem to remember that an Application (Daytrader)

that failed to start and the server still initialized.  I'll need to confirm this.

Aaron Mulder wrote:
> On 9/5/06, Matt Hogstrom <matt@hogstrom.org> wrote:
>> Not to get too pedantic but what if some of the configurations in the 
>> persistent configuration
>> couldn't be started for some reason, is the server still fully started?
> 
> Currently if that happens, the server shuts down.  That's another
> issue we might want to revisit.
> 
> Thanks,
>     Aaron
> 
>>
>> Perhaps something more like initialBootstrapCompleted might be more 
>> intuitive.
>>
>> >> When we thought about this last the best idea we could come up with is
>> >> that it's "fully started" when all the modules listed in persistent
>> >> configuration lists (should be persistent module lists) that are in
>> >> the bootstrap or included recursively in those modules are started.
>> >> Think about what happens if a module in the original PCL includes
>> >> another PCL.
>> >
>> > Started (or fully started) means that the server has loaded, 
>> initialized
>> > and started all modules in the persistent configuration, such that it
>> > could then start to serve applications... and start listening on ports,
>> > etc.  True there might be more modules to be loaded or configured after
>> > that, but the point is to tell when the server is ready to start
>> > accepting work.  There is a period while the server is starting, 
>> when it
>> > starts listening to http, but it is not ready to serve applications
>> > which have been configured to be deployed.
>> >
>> > Anyways, I don't care too much what it is called... but I think that
>> > flag should be exposed as a simple Boolean on some common MBean.  Maybe
>> > its not the Kernel, as the kernel might be started, but the system 
>> might
>> > not be ready to serve my webapps or whatever.  Having to pull in
>> > geronimo-kernel to perform a simple remote call to fetch a boolean is
>> > overkill... especially since that module has magical logging fluff that
>> > rudely overwrites configuration.
>> >
>> > If we had a specialized MBean/GBean that just exposed the very common
>> > remote functionality via JMX directly then we would be in a very good
>> > position to keep tools (IDE plugins, maven plugins, etc) working even
>> > after we change the internals around.  Such tools need an easy way to:
>> >
>> >  * Detect when the server is started and ready to server applications
>> >  * Shutdown
>> >
>> > Probably some other things too...
>> >
>> > --jason
>> >
>> >
>> >
>> >
>>
> 
> 
> 

Mime
View raw message