[jsr-314-open] [jsf2next] PROJECT_STAGE system property configuration

[Dan Allen]

On Tue, Jan 19, 2010 at 5:03 PM, Andy Schwartz <andy.schwartz at oracle.com>wrote:

> Ed Burns wrote:
>
>> On Mon, 18 Jan 2010 15:16:20 -0500, Andy Schwartz <
>>>>>>> andy.schwartz at oracle.com> said:
>>>>>>>
>>>>>>>
>>>>>>
>> AS>
>> https://javaserverfaces-spec-public.dev.java.net/issues/show_bug.cgi?id=499
>>
>> AS> Can we add this to the MR list?
>>
>> Yes, but I'd like to get agreement that we don't care about the Servlet
>> EG's opinion on the VM-wide nature of system properties.
>>
>>
>
> Okay, thanks for the update Ed.  I wasn't aware that there had been push
> back from the Servlet EG on this.
>
> Personally I don't understand the nature of the objection.  In some case
> fine-grained (application-specific) control is desired.  We have addressed
> this case via the context parameter.  There seems to be general agreement in
> our EG that a system-level property would also be beneficial and in
> particular would improve the ease of use of this feature for
> development-time scenarios (ie. no need for a web.xml or JNDI config).  Not
> sure why we need to choose one approach vs. the other.  Both serve a
> purpose.
>

The system property seems like a very reasonable option to me. It matches
well with "starting the server in debug mode" and I could even see the two
being tied together in an IDE server control (tangential to this decision,
of course). Just like with debug mode, this should be something that can be
controlled without a change to application code.

We need to make sure we are clear whether the context parameter overrides
the system property, or vice versa. I would think the system property would
take precedence, but I'm open to counter arguments.

-Dan

-- 
Dan Allen
Senior Software Engineer, Red Hat | Author of Seam in Action
Registered Linux User #231597

http://mojavelinux.com
http://mojavelinux.com/seaminaction
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