[jboss-jira] [JBoss JIRA] (WFLY-11956) @PostConstruct on @ApplicationScoped bean called too late in case @Valid is annotated on a business method

[Guillaume Smet (Jira)]

    [ https://issues.jboss.org/browse/WFLY-11956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13726378#comment-13726378 ] 

Guillaume Smet commented on WFLY-11956:
---------------------------------------

[~ron_sigal] My understanding is that it's not the getter validation that is triggered. The field and getter form a unique validated entity called a property in HV.

When validating the constructor of a bean, you validate the bean itself  as the return value of the constructor and thus all its properties - so all the fields and getters. It is not method validation but property validation. That's why your configuration in the XML file is useless. Getters are already not validated methods by default. But... they are validated when you validate the properties of a bean.

I'm not sure I'm seeing an easy way to disable this behavior as doing it globally with a configuration knob seems a bit dangerous as it would also disable it for the domain objects.

We could probably imagine an entry point specific to CDI to avoid validating the getters too but I'm not sure how dirty it would be and we would also probably need to keep the HV metadata generated by this entry point separate.

[~gunnar.morling] any thoughts on that? I'm surprised it only surfaces now tbh as it seems a potentially very common issue.

> @PostConstruct on @ApplicationScoped bean called too late in case @Valid is annotated on a business method
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: WFLY-11956
>                 URL: https://issues.jboss.org/browse/WFLY-11956
>             Project: WildFly
>          Issue Type: Bug
>          Components: Bean Validation, REST
>    Affects Versions: 16.0.0.Final
>            Reporter: Joerg Baesner
>            Assignee: Ronald Sigal
>            Priority: Major
>         Attachments: logging.txt, playground.zip
>
>
> Having a bean class with {{@ApplicationScoped}}, which has a {{@PostConstruct}} and is implementing  the following _Interface_:
> {code}
> @Path("/validated")
> public interface ValidatedJaxRsInterface {
>     
>     @GET
>     @Valid
>     @Produces(MediaType.APPLICATION_JSON)
>     GreetingModel getHelloGreeting();
> }
> {code}
> will result in calling the {{getHelloGreeting}} method of the implementation class twice *_before_* the {{@PostConstruct}} is getting executed.
> This can be reproduced with the attached reproducer application...



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