users@jax-rs-spec.java.net

[jax-rs-spec users] [jsr339-experts] Re: Re: Default Servlet Mapping?

From: Sergey Beryozkin <sberyozkin_at_talend.com>
Date: Wed, 21 Mar 2012 22:18:11 +0000

Hi Bill,

On 21/03/12 19:08, Bill Burke wrote:
>
>
> On 3/21/12 3:01 PM, Marek Potociar wrote:
>>
>> On Mar 19, 2012, at 3:01 PM, Bill Burke wrote:
>>
>>>
>>>
>>> On 3/15/12 4:15 PM, Santiago Pericas-Geertsen wrote:
>>>>
>>>> On Mar 15, 2012, at 4:00 PM, Bill Burke wrote:
>>>>
>>>>>
>>>>>
>>>>> On 3/15/12 3:54 PM, Santiago Pericas-Geertsen wrote:
>>>>>>
>>>>>> On Mar 15, 2012, at 3:31 PM, Bill Burke wrote:
>>>>>>
>>>>>>> I would say do nothing because it would break existing 1.1
>>>>>>> applications when deployed.
>>>>>>
>>>>>> How so? Before you had to always specify the mapping, and that
>>>>>> will continue to take precedence. Can you elaborate?
>>>>>>
>>>>> We assumed everything could be scanned, you could have an empty
>>>>> web.xml file, and no Application class. This was an incorrect
>>>>> assumption? I know a lot of people use us in this manner. Maybe I
>>>>> just interpreted the 1.1 spec wrong?
>>>>
>>>> Class scanning and servlet mapping are orthogonal. The only way you
>>>> can get the servlet mapping in 1.1 is from (i) a web.xml or (ii) the
>>>> @ApplicationPath annotation on an Application subclass AFAICT, with
>>>> (i) overriding (ii) if both are present. For the other cases, 1.1
>>>> states that "the application MUST be packaged with a web.xml that
>>>> specifies a servlet mapping for the added servlet".
>>>>
>>>> Perhaps you're already using a default in Resteasy?
>>>>
>>>
>>> Well, then the spec should allow the case for *no* Application class
>>> and no web.xml listing. The default mapping should be "/*" and should
>>> work with static content too. This way its very simple for users and
>>> no thought has to be put into anything.
>>>
>>
>> I think so far we can all agree, that a default mapping is good. I
>> want to however point out that suggested "/*" as a default mapping is
>> too aggressive in connection with any other technology that uses some
>> default mapping as well (e.g. JSF). For that reason, I suggest to
>> choose a named default mapping directly under the root path e.g. the
>> "/webapi/*" as proposed earlier.
>>
>
> Please tell me why "/*" is too aggressive? its easily handled if your
> implementation is Filter based.
>
> But, this is orthogonal to the issue of requiring a web.xml or
> Application class. I do not think either of these artifacts should be
> required to deploy a JAX-RS service.

Without Application, what would be the most portable way to deploy a
simple JAX-RS service across multiple JAX-RS stacks ? Sorry may be this
question is also orthogonal :-),

Sergey

>
>
> Bill
>