[jira] Resolved: (ARIES-274) Blueprint Collaborator fails on finalize

["Valentin Mahrwald (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARIES-274?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Valentin Mahrwald resolved ARIES-274.
-------------------------------------

       Resolution: Fixed
    Fix Version/s: 0.1

Committed fix in revision 929942.

> Blueprint Collaborator fails on finalize
> ----------------------------------------
>
>                 Key: ARIES-274
>                 URL: https://issues.apache.org/jira/browse/ARIES-274
>             Project: Aries
>          Issue Type: Bug
>          Components: Blueprint
>    Affects Versions: 0.1
>            Reporter: Valentin Mahrwald
>            Assignee: Valentin Mahrwald
>            Priority: Minor
>             Fix For: 0.1
>
>
> A Blueprint bean with interceptors gets wrapped in a Collaborator object. When the blueprint bundle goes away and the beans gets garbage collected the GC will call finalize on the actual bean instance and also the wrapper that was created around it to support interceptors. The call to the wrapper is interpreted as an attempt to invoke the finalize method on the actual bean, which fails since finalize is (by default) protected.
> For example:
> Collaborator  E org.apache.aries.blueprint.proxy.Collaborator invoke 
> java.lang.Error: Unreachable catch statement 
> at org.apache.aries.blueprint.proxy.Collaborator$1. onUnexpectedException(Collaborator.java:59)
> at org.apache.aries.blueprint.proxy.Collaborator$1. invoke(Collaborator.java:72) 
> at org.apache.aries.blueprint.proxy.Collaborator. invoke(Collaborator.java:148)
> at <some blueprint bean with interceptors>. finalize(Unknown Source)
> at java.lang.J9VMInternals.runFinalize(J9VMInternals. java:412)
> Caused by: java.lang.IllegalAccessException: Class org.apache.aries.blueprint.proxy.Collabor ator$1 can not access a member of class java.lang.Object with modifiers "protected"
> at sun.reflect.Reflection.ensureMemberAccess(Reflection. java:77)
> at java.lang.reflect.Method.invoke(Method.ja va:591)
> at org.apache.aries.blueprint.proxy.Collaborator$1. invoke(Collaborator.java:66) 
> ... 3 more

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