[cdi-dev] [JBoss JIRA] (CDI-577) Non-Dependent scope specified on Decorator

[Emily Jiang (JIRA)]

Emily Jiang created CDI-577:
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             Summary: Non-Dependent scope specified on Decorator
                 Key: CDI-577
                 URL: https://issues.jboss.org/browse/CDI-577
             Project: CDI Specification Issues
          Issue Type: Clarification
          Components: Decorators
    Affects Versions: 1.2.Final, 1.0
            Reporter: Emily Jiang
            Priority: Minor


In CDI specification, there lacks a clarification about what will happen if a scope other than Dependent specified on Decorators/Interceptors. 

At the moment, if the RequestScoped is specified on a decorator, Weld throws NPE. I talked to Martin. Martin logged https://issues.jboss.org/browse/WELD-2085 to fix this. It is better for the spec to clearly define the behaviour.

Obviously, the lifecycle of interceptors/decorators are dependent on the bean instance they decorate. The spec should specify clearly what should happen if a scope other than Dependent is specified on decorators/interceptors. How about add the following on the spec:

If an interceptor or decorator specifies any scope other than Dependent, the container automatically detects the problem and threats as a definition error. 




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