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https://issues.apache.org/jira/browse/OWB-329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12846869#action_12846869
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Mark Struberg commented on OWB-329:
-----------------------------------

javassist will technically always use subclassing (as opposed to 
java.lang.reflect.proxy which creates a completely separate proxy class). You 
can verify this by adding a System.out.println("X") to a constructor of a 
proxied bean. you will see this println for each and every proxy creation.

> Interceptor instances get created each time the interceptor gets called
> -----------------------------------------------------------------------
>
>                 Key: OWB-329
>                 URL: https://issues.apache.org/jira/browse/OWB-329
>             Project: OpenWebBeans
>          Issue Type: Bug
>          Components: Interceptor and Decorators
>    Affects Versions: M4
>            Reporter: Mark Struberg
>            Assignee: Mark Struberg
>            Priority: Critical
>             Fix For: 1.0.0
>
>
> Interceptors are defined as being @Dependent scoped. Thus, for one 
> @ApplicationScoped contextual instance, only one interceptor instance of a 
> certain type must exist. But we currently create a new instance for each and 
> every method invocation which is intercepted. 
> This is not only terribly slow, but also doesn't work as expected from a 
> portable perspective.

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