[weld-issues] [JBoss JIRA] (WELD-1021) Implicit implementation of abstract decorator method with at least one parameter is missing

[Martin Kouba (Commented) (JIRA)]

    [ https://issues.jboss.org/browse/WELD-1021?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12648047#comment-12648047 ] 

Martin Kouba commented on WELD-1021:
------------------------------------

Following gist contains extracted code (decorated type, decorator and decorated bean): https://gist.github.com/1433570. Problematic method is ChargeDecorator#deposit(int amount);.
                
> Implicit implementation of abstract decorator method with at least one parameter is missing
> -------------------------------------------------------------------------------------------
>
>                 Key: WELD-1021
>                 URL: https://issues.jboss.org/browse/WELD-1021
>             Project: Weld
>          Issue Type: Bug
>            Reporter: Martin Kouba
>            Assignee: Ales Justin
>
> If an abstract decorator declares abstract method and this method is also declared on decorated type, the container should provide an implicit implementation of this method that calls the method on the delegate. However if the method has at least one parameter implementation is missing.
> TCK test (CDI TCK 1.1): *org.jboss.jsr299.tck.tests.decorators.definition.DecoratorDefinitionTest.testAbstractDecoratorNotImplementingMethodOfDecoratedType(BankAccount)*
> {code}
> java.lang.NoSuchMethodException: org.jboss.interceptor.util.proxy.TargetInstanceProxy.getTargetClass(int)
> 	at java.lang.Class.getDeclaredMethod(Class.java:1954)
> 	at org.jboss.jsr299.tck.tests.decorators.definition.1941262783$Proxy$_$$_WeldDecoratorProxy.deposit(1941262783$Proxy$_$$_WeldDecoratorProxy.java)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:616)
> 	at org.jboss.weld.util.reflection.SecureReflections$13.work(SecureReflections.java:264)
> 	at org.jboss.weld.util.reflection.SecureReflectionAccess.run(SecureReflectionAccess.java:52)
> 	at org.jboss.weld.util.reflection.SecureReflectionAccess.runAsInvocation(SecureReflectionAccess.java:137)
> 	at org.jboss.weld.util.reflection.SecureReflections.invoke(SecureReflections.java:260)
> 	at org.jboss.weld.introspector.jlr.WeldMethodImpl.invokeOnInstance(WeldMethodImpl.java:170)
> 	at org.jboss.weld.bean.proxy.DecoratorProxyMethodHandler.doInvoke(DecoratorProxyMethodHandler.java:78)
> 	at org.jboss.interceptor.util.proxy.TargetInstanceProxyMethodHandler.invoke(TargetInstanceProxyMethodHandler.java:43)
> 	at org.jboss.weld.bean.proxy.TargetBeanInstance.invoke(TargetBeanInstance.java:88)
> 	at org.jboss.weld.bean.proxy.ProxyMethodHandler.invoke(ProxyMethodHandler.java:105)
> 	at org.jboss.jsr299.tck.tests.decorators.definition.BankAccount$Proxy$_$$_Weld$Proxy$.deposit(BankAccount$Proxy$_$$_Weld$Proxy$.java)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:616)
> 	at org.jboss.weld.util.reflection.SecureReflections$13.work(SecureReflections.java:264)
> 	at org.jboss.weld.util.reflection.SecureReflectionAccess.run(SecureReflectionAccess.java:52)
> 	at org.jboss.weld.util.reflection.SecureReflectionAccess.runAsInvocation(SecureReflectionAccess.java:137)
> 	at org.jboss.weld.util.reflection.SecureReflections.invoke(SecureReflections.java:260)
> 	at org.jboss.weld.bean.proxy.CombinedInterceptorAndDecoratorStackMethodHandler.invoke(CombinedInterceptorAndDecoratorStackMethodHandler.java:59)
> 	at org.jboss.jsr299.tck.tests.decorators.definition.-906731491$Proxy$_$$_WeldSubclass.deposit(-906731491$Proxy$_$$_WeldSubclass.java)
> {code}

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