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

[Christian Zambrano (Jira)]

    [ https://issues.jboss.org/browse/WFLY-11956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13726246#comment-13726246 ] 

Christian Zambrano commented on WFLY-11956:
-------------------------------------------

> The javadoc for @PostConstruct says, "The PostConstruct annotation is used on a method that needs to be executed after dependency injection is done to perform any initialization." It sounds like it's saying that in a properly defined class, all initialization would be completed after a call to a @PostConstruct annotated method, at which point it would be safe to do validation. If a class doesn't adhere to that, then it's out of our hands.

Good point. Thanks for highlighting that. 



> @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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