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https://issues.apache.org/jira/browse/GROOVY-5410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17311646#comment-17311646
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Eric Milles commented on GROOVY-5410:
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Branch for WIP: https://github.com/apache/groovy/tree/GROOVY-5410
> Groovy Generics Not Playing nice with java Proxies -
> java.lang.ClassCastException: $Proxy374 cannot be cast to ...
> ------------------------------------------------------------------------------------------------------------------
>
> Key: GROOVY-5410
> URL: https://issues.apache.org/jira/browse/GROOVY-5410
> Project: Groovy
> Issue Type: Bug
> Components: groovy-runtime
> Reporter: Craig Rykal
> Assignee: Eric Milles
> Priority: Major
> Attachments: groovy.zipx
>
>
> We are taking a current Spring based application and starting to introduce
> "Groovy" spring beans. We ran into this ClassCastException when trying to
> call a generic method on our Groovy bean that has been wrapped by the
> JdkDynamicAopProxy.
> I was able to reproduce with Java/Groovy and the base java.reflect.Proxy
> classes.
> Attached are all of my simple test classes that demostrate the issue as well
> as a Spock test(GroovyIssuesSpec.groovy) that shows the problem as well.
> We've had to create a hack to override how Spring proxies it's beans to
> ignore the fact that these beans are GroovyObjects(Removing
> GroovyObject.class from the list of proxiedInterfaces, for some reason works
> around the issue). The sooner we can get rid of that hack, the better.
> Thanks!
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