Hi,
Thanks for bringing up this issue, Nathan.
The Bean Validation spec expects the file to be at META-INF/validation.xml,
no matter what type of application it is. I'll need to dig a bit deeper why
the platform spec mentions WEB-INF/validation.xml.
the TCK uses the WEB-INF/validation.xml location
Do you have a pointer to this usage? Please send it to me off-list if it's
somewhere within the EE TCK. The BV TCK itself uses META-INF/validation.xml.
Therefore, I'd expect a lot of users in the field to be using the
WEB-INF
location
I just tried WEB-INF/validation.xml in a plain WAR as well as a WAR within
an EAR, and it wouldn't be applied either way (testing the BV reference
implementation). Do you have a test case which shows successful usage of
WEB-INF/validation.xml?
Otherwise, the JavaEE Platform spec could be changed to no longer
state
WEB-INF/validation.xml
My current inclination is to suggest exactly that to the Java EE leads, as
it seems like a glitch and I can't see how it'd ever work with the RI. But
I'll synch with Emmanuel (former BV lead) to make sure I'm not missing a
piece.
@Marco,
The implementation of 'WEB-INF/validation.xml' for the web
components and
its
integration with Bean Validation is the full responsibility
(EE.5.16.2)
of the Java EE
Product Provider that declares it
You seem to suggest that a container somehow may make it that
WEB-INF/validation.xml is exposed as META-INF/validation.xml to the BV
provider. That may theoretically be doable, but I don't think it's intended
or suggested by the EE spec.
Specifically, section EE.5.16 deals with the "application client container"
property which the container must set depending on where this app is
running (ACC vs. web/EJB container). It's not related to the retrieval of
BV deployment descriptors.
--Gunnar
2017-03-17 20:03 GMT+01:00 Marco Molteni <moltenma(a)gmail.com>:
> Hi Nathan,
>
> I agree that can be confusing for the developers that read the two
> documents but the specification of BV is, IMHO, consistent:
>
> 1.2. Specification Goals: 'The validation API developed by this JSR is
> not intended for use in any one tier or programming model. It is
> specifically not tied to either the web tier or the persistence tier'.
>
> And the JavaEE spec version 7 (and 8) :
> 'EE.5.16.2 Java EE Product Provider’s Responsibilities
> The Java EE Product Provider is responsible for providing the correct
> application client container property as required by this specification.'
>
>
> 'EE.5.17.1 Application Component Provider’s Responsibilities
> [...] The Application Component Provider may customize the
> ValidatorFactory and (indirectly) Validator instances by including a Bean
> Validation deployment descriptor inside a specific module of the
> application.'
>
> 'EE.5.17.2 Java EE Product Provider’s Responsibilities
> [...] These objects must be used to configure the default ValidatorFactory
> available at java:comp/ValidatorFactory in accordance with the
> bootstrapping APIs described by the Bean Validation specification. [...]'
>
>
The implementation of 'WEB-INF/validation.xml' for the web
components and
> its integration with Bean Validation is the full responsibility
(EE.5.16.2)
> of the Java EE Product Provider that declares it .
> The Bean Validation doesn't have to worry (or know) about the existence of
> a web component or a web configuration directory, it's out of its scope.
> The correct configuration and communication between these (Web and BC) and
> other components is regulated by the container (EE.2.4).
>
> The documents are (maybe) confusing but correct, in my opinion.
>
> Regards
>
> Marco
>
>
> Am 15.03.2017 um 17:39 schrieb Nathan Mittlestat <nmittles(a)gmail.com>:
>
> Hi All,
>
> One area I'd like to see a clarification on in the spec is around the
> location of the validation.xml in a JavaEE web container environment. The
> Bean Validation spec indicates the validation.xml is always at
> META-INF/validation.xml. The JavaEE Platform spec states
> WEB-INF/validation.xml should be used for web modules. The entire Bean
> Validation spec has no mention of web modules, and seems to mainly focus on
> JavaSE. However, it does mention integration points such as CDI and
> JAX-RS, so I don't think it would be out of line to clarify in the Bean
> Validation spec for web modules. Otherwise, the JavaEE Platform spec could
> be changed to no longer state WEB-INF/validation.xml, but previous JavaEE
> versions already include this, and the TCK uses the WEB-INF/validation.xml
> location. Therefore, I'd expect a lot of users in the field to be using the
> WEB-INF location.
>
> The Bean Validation spec has the following section (page 206):
> Unless explicitly ignored by calling Configuration.ignoreXMLConfiguration(),
> a Configuration takes into
> account the configuration available in META-INF/validation.xml. This
> configuration file is optional but
> can be used by applications to refine some of the Bean Validation
> behavior. If more than one META-
> INF/validation.xml file is found in the classpath, a ValidationException
> is raised.
>
> In contrasts the JavaEE Platform spec has (page 127 of JavaEE 7):
> In order to customize the returned ValidatorFactory, an EJB, web or
> application client module may specify a Bean Validation XML deployment
> descriptor. The name of the descriptor is WEB-INF/validation.xml for web
> modules and META-INF/validation.xml for all other types of modules.
>
>
>
> --Nathan
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