[cdi-dev] [JBoss JIRA] (CDI-741) Clarify: "archive which contains an extension"

[Harald Wellmann (Jira)]

    [ https://issues.jboss.org/browse/CDI-741?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13684420#comment-13684420 ] 

Harald Wellmann commented on CDI-741:
-------------------------------------

Oh, it's not exactly a use case, but I was working on a CDI library, I copied a Java package from a third-party library to my project, and then was surprised to see that the beans from my own library were no longer being discovered.  

It turned out that the package contained an {{Extension}} class, which I had copied, without the {{META-INF/services}} registration.

> Clarify: "archive which contains an extension"
> ----------------------------------------------
>
>                 Key: CDI-741
>                 URL: https://issues.jboss.org/browse/CDI-741
>             Project: CDI Specification Issues
>          Issue Type: Clarification
>          Components: Portable Extensions
>    Affects Versions: 2.0 .Final
>            Reporter: Harald Wellmann
>            Priority: Major
>
> According to Section 12.1,
> {quote}An archive which contains an extension and no beans.xml file is not a bean archive.
> {quote} 
> According to Section 11.5,
> {quote} An extension is a service provider of the service javax.enterprise.inject.spi.Extension declared in META-INF/services 
> {quote} 
> Conclusion:
> An archive containing a class implementing  {{javax.enterprise.inject.spi.Extension}} but not declaring this class in {{META-INF/services}} does not contain an extension. 
> So if this archive contains a class with a bean-defining annotation and no {{beans.xml}}, then it is a bean archive.
> The TCK is missing a test for this scenario (archive with extension class but no service registration), it only has a test for the more obvious case of an archive with extension class *and* service registration.
> If my interpretation is correct, then WildFly 15  has a bug, since it disqualifies any archive containing an {{Extension}} class, regardless of the service registration.
> Side note:
> It would be helpful for readers looking for the exact definition of extensions to move the sentence quoted above from Section 11.5 to the introductory paragraph of Section 11.



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