[weld-issues] [JBoss JIRA] (WELD-987) Misleading definition error for decorator with observer method

[Martin Kouba (Commented) (JIRA)]

    [ https://issues.jboss.org/browse/WELD-987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12638467#comment-12638467 ] 

Martin Kouba commented on WELD-987:
-----------------------------------

If you declare observer method on decorator you get WELD-001419 definition error. The definition error is ok but the message is a little bit misleading.
                
> Misleading definition error for decorator with observer method
> --------------------------------------------------------------
>
>                 Key: WELD-987
>                 URL: https://issues.jboss.org/browse/WELD-987
>             Project: Weld
>          Issue Type: Bug
>    Affects Versions: 1.1.2.Final
>         Environment: JBoss AS7
>            Reporter: Martin Kouba
>            Priority: Minor
>
> CDI 1.0 section 10.4.2 states:
> "Interceptors and decorators may not declare observer methods. If an interceptor or decorator has a method with a paramet-
> er annotated @Observes, the container automatically detects the problem and treats it as a definition error."
> Following definition error is detected for decorator with observer method: *WELD-001419 - DECORATOR_CLASS_NOT_BEAN_CLASS_OF_DECORATOR*
> New definition error like *DECORATORS_CANNOT_HAVE_OBSERVER_METHODS* would be more appropriate.
> TCK test for this scenario (CDI 1.1 master branch):
> https://github.com/jboss/cdi-tck/blob/master/impl/src/main/java/org/jboss/jsr299/tck/tests/decorators/definition/broken/observer/DecoratorWithObserverMethodTest.java

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