[cdi-dev] [JBoss JIRA] (CDI-274) BeanManager#getBeans() shall throw an Exception if called before AfterDeploymentValidation

Marek Schmidt (JIRA) jira-events at lists.jboss.org
Wed Dec 19 11:11:08 EST 2012

    [ https://issues.jboss.org/browse/CDI-274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12742488#comment-12742488 ] 

Marek Schmidt commented on CDI-274:

Does "during application initialization" mean AfterDeploymentValidation observers?

Mark's suggestion contained a very important part "...before the AfterDeploymentValidation phase". AfterDeploymentValidation observers would be quite useless if we can't use BeanManager.getBeans in them IMHO. 
> BeanManager#getBeans() shall throw an Exception if called before AfterDeploymentValidation
> ------------------------------------------------------------------------------------------
>                 Key: CDI-274
>                 URL: https://issues.jboss.org/browse/CDI-274
>             Project: CDI Specification Issues
>          Issue Type: Bug
>          Components: Beans
>    Affects Versions: 1.1.EDR
>            Reporter: Mark Struberg
>            Assignee: Pete Muir
>             Fix For: 1.1.PFD
> We recently had the erroneous case in DeltaSpike that an Extension did call BeanManager#getBeans() in an @Observes ProcessBean method. 
> Doing so leads to random behaviour as the result of getBeans() depends on the order in which the other beans got processed already. E.g. getBeans(Object.class) will return an empty list for the first bean getting processed, and will return all beans -1 for the last bean. That just makes no sense and will create unreproducible bugs.
> We shall add spec language to BeanManager#getBeans() that any invocation before the AfterDeploymentValidation phase will result in a deployment error.

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