[jruby-dev] [jira] (JRUBY-6958) Cast error inheriting from a Java class with precompile code.

Sat, 20 Oct 2012 12:02:42 -0700
Issue Type: Bug Bug
Affects Versions: JRuby 1.7.0.RC2
Assignee: Thomas E Enebo
Created: 20/Oct/12 2:02 PM
Description:

I am getting a {ClassCastException} trying to inherit from {AbstractModule} (a Guice class). This probably isn't the simplest base case to reproduce, but it's still very simple code. I'm not sure which part is broken, so presenting here in context.

To reproduce, follow the "Getting Started" instructions in this example app:
https://github.com/xaviershay/jruby-guice/tree/abstract-module

INFO: An exception was caught and reported. Message: java.lang.ClassCastException: net.rhnh.ComplexModule cannot be cast to org.jruby.java.proxies.JavaProxy
java.lang.ClassCastException: net.rhnh.ComplexModule cannot be cast to org.jruby.java.proxies.JavaProxy
	at org.jruby.java.invokers.RubyToJavaInvoker.castJavaProxy(RubyToJavaInvoker.java:178)
	at org.jruby.java.invokers.InstanceMethodInvoker.call(InstanceMethodInvoker.java:58)
	at org.jruby.java.invokers.InstanceMethodInvoker.call(InstanceMethodInvoker.java:127)
	at org.jruby.runtime.callsite.SuperCallSite.cacheAndCall(SuperCallSite.java:366)
	at org.jruby.runtime.callsite.SuperCallSite.callBlock(SuperCallSite.java:192)
	at org.jruby.runtime.callsite.SuperCallSite.call(SuperCallSite.java:197)
	at org.jruby.runtime.callsite.SuperCallSite.callVarargs(SuperCallSite.java:108)
	at org.jruby.ast.ZSuperNode.interpret(ZSuperNode.java:104)
	at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
	at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:75)
	at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:182)
	at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:192)
	at org.jruby.RubyClass.finvoke(RubyClass.java:753)
	at org.jruby.javasupport.util.RuntimeHelpers.invoke(RuntimeHelpers.java:523)
	at net.rhnh.ComplexModule.configure(ComplexModule.java:104)
	at com.google.inject.spi.Elements$RecordingBinder.install(Elements.java:223)
	at com.google.inject.spi.Elements.getElements(Elements.java:101)
	at com.google.inject.internal.InjectorShell$Builder.build(InjectorShell.java:133)
	at com.google.inject.internal.InternalInjectorCreator.build(InternalInjectorCreator.java:103)
	at com.google.inject.Guice.createInjector(Guice.java:95)
	at com.google.inject.Guice.createInjector(Guice.java:72)
	at com.google.inject.Guice.createInjector(Guice.java:62)
	at net.rhnh.JrubyGuiceExample.complexExample(JrubyGuiceExample.java:19)
	at net.rhnh.JrubyGuiceExample.main(JrubyGuiceExample.java:9)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)
Environment: Mac OS X Lion 10.7.5
Project: JRuby
Priority: Minor Minor
Reporter: Xavier Shay
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