Issue 783 in google-guice: java.lang.ClassCastException: sun.proxy.$Proxy9 cannot be cast to se.example.EnvRequirement

[google...@googlecode.com]

Status: New
Owner: ----

New issue 783 by mikaelpe...@gmail.com: java.lang.ClassCastException:
sun.proxy.$Proxy9 cannot be cast to se.example.EnvRequirement
http://code.google.com/p/google-guice/issues/detail?id=783

Description of the issue:

I am not sure if it is a Guice issue but since I, for some reason, could
not post
in google-guice group ( maybe because I attached a zip file).

Maybe someone could help med shed some light on this issue?

br,

//mike


Steps to reproduce:
1. Run the NewTest ( testng testcase).
2.
3.


java.lang.ClassCastException: sun.proxy.$Proxy9 cannot be cast to
se.example.EnvRequirement
at se.example.MyHandler.handleEnvironment(MyHandler.java:32)
at se.example.MyHandler.check(MyHandler.java:21)
at se.example.MyListener.beforeInvocation(MyListener.java:34)
at
org.testng.internal.invokers.InvokedMethodListenerInvoker$InvokeBeforeInvocationWithoutContextStrategy.callMethod(InvokedMethodListenerInvoker.java:84)
at
org.testng.internal.invokers.InvokedMethodListenerInvoker.invokeListener(InvokedMethodListenerInvoker.java:62)
at org.testng.internal.Invoker.runInvokedMethodListeners(Invoker.java:619)
at org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:540)
at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:213)
at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:138)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:277)
at org.testng.SuiteRunner.run(SuiteRunner.java:240)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1224)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1149)
at org.testng.TestNG.run(TestNG.java:1057)
at org.testng.remote.RemoteTestNG.run(RemoteTestNG.java:111)
at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:204)
at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:175)


Attachments:
proxy_problem.zip 10.8 KB

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Updates:
Status: Invalid

Comment #1 on issue 783 by mccu...@gmail.com: java.lang.ClassCastException:

sun.proxy.$Proxy9 cannot be cast to se.example.EnvRequirement
http://code.google.com/p/google-guice/issues/detail?id=783

In MyHandler.java you're casting TrxRequirement to EnvRequirement, but
TrxRequirement does not extend EnvRequirement - it is only annotated by it,
so I don't see how this cast could ever succeed. The method being called
(replaceId) then casts it back into TrxRequirement, so this temporary cast
to EnvRequirement appears to have no use.