[GROOVY-1971] Casting fails after instanceof succeeds

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Won't Fix
• Affects Version/s: 1.0, 1.1-beta-2
• Fix Version/s: 1.1-rc-3
• Environment: Windows XP, Java 1.5
• Assignee: Jochen Theodorou
• Reporter: Eric Kolotyluk
• Created: 09/Jul/07 15:10
• Updated: 15/Nov/07 08:12
• Resolved: 15/Nov/07 08:12

Description

The following code fails with the subsequent exception

private boolean match(Service service)
{
// Once we've found our controller, don't try any more
if (proofer == null && service instanceof Proofer)
{
if (service.getName().equalsIgnoreCase(prooferName))
{
LOG.info("here")
proofer = (Proofer) Service
LOG.info("there")
controller = proofer.getConroller()
if (controller.getName().equalsIgnoreCase(controllerName))

{ proofer.addConnectionListener(this) if (proofer.isReady()) connectionReady() return true }

else

{ proofer == null controller == null }

}
}
return false
}

______________________
INFO 2007.07.09 19:55:42,048 Z [Thread-25 Startup] ProoferViewerLauncher - here
Exception in thread "Thread-25 Startup" org.codehaus.groovy.runtime.typehandling.GroovyCastException: Cannot cast object 'class com.creo.proofer.service.Service' with class 'java.lang.Class' to class 'com.creo.proofer.service.Proofer'
at org.codehaus.groovy.runtime.typehandling.DefaultTypeTransformation.castToType(DefaultTypeTransformation.java:331)
at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.castToType(ScriptBytecodeAdapter.java:623)
at com.kodak.proofer.groovy.tools.ProoferViewerLauncher.match(ProoferViewerLauncher.groovy:61)
at com.kodak.proofer.groovy.tools.ProoferViewerLauncher.this$2$match(ProoferViewerLauncher.groovy)
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 org.codehaus.groovy.runtime.metaclass.ReflectionMetaMethod.invoke(ReflectionMetaMethod.java:52)
at org.codehaus.groovy.runtime.MetaClassHelper.doMethodInvoke(MetaClassHelper.java:714)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:583)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:476)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:548)
at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodOnCurrentN(ScriptBytecodeAdapter.java:66)
at com.kodak.proofer.groovy.tools.ProoferViewerLauncher$_initialize_closure1.doCall(ProoferViewerLauncher.groovy:117)
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 org.codehaus.groovy.runtime.metaclass.ReflectionMetaMethod.invoke(ReflectionMetaMethod.java:52)
at org.codehaus.groovy.runtime.MetaClassHelper.doMethodInvoke(MetaClassHelper.java:714)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:583)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:476)
at groovy.lang.Closure.call(Closure.java:174)
at groovy.lang.Closure.call(Closure.java:187)
at org.codehaus.groovy.runtime.DefaultGroovyMethods.each(DefaultGroovyMethods.java:848)
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 org.codehaus.groovy.runtime.metaclass.ReflectionMetaMethod.invoke(ReflectionMetaMethod.java:52)
at org.codehaus.groovy.runtime.NewInstanceMetaMethod.invoke(NewInstanceMetaMethod.java:90)
at org.codehaus.groovy.runtime.MetaClassHelper.doMethodInvoke(MetaClassHelper.java:714)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:583)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:476)
at org.codehaus.groovy.runtime.Invoker.invokePojoMethod(Invoker.java:104)
at org.codehaus.groovy.runtime.Invoker.invokeMethod(Invoker.java:77)
at org.codehaus.groovy.runtime.InvokerHelper.invokeMethod(InvokerHelper.java:85)
at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodN(ScriptBytecodeAdapter.java:158)
at com.kodak.proofer.groovy.tools.ProoferViewerLauncher.initialize(ProoferViewerLauncher.groovy:115)
at com.creo.proofer.service.ServiceRepository.addListener(ServiceRepository.java:101)
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 org.codehaus.groovy.runtime.metaclass.ReflectionMetaMethod.invoke(ReflectionMetaMethod.java:52)
at org.codehaus.groovy.runtime.MetaClassHelper.doMethodInvoke(MetaClassHelper.java:714)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:583)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:476)
at org.codehaus.groovy.runtime.Invoker.invokePojoMethod(Invoker.java:104)
at org.codehaus.groovy.runtime.Invoker.invokeMethod(Invoker.java:77)
at org.codehaus.groovy.runtime.InvokerHelper.invokeMethod(InvokerHelper.java:85)
at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodN(ScriptBytecodeAdapter.java:158)
at com.kodak.proofer.groovy.tools.ProoferViewerLauncher.<init>(ProoferViewerLauncher.groovy:50)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at org.codehaus.groovy.runtime.MetaClassHelper.doConstructorInvoke(MetaClassHelper.java:563)
at groovy.lang.MetaClassImpl.doConstructorInvoke(MetaClassImpl.java:1864)
at groovy.lang.MetaClassImpl.invokeConstructor(MetaClassImpl.java:804)
at groovy.lang.MetaClassImpl.invokeConstructor(MetaClassImpl.java:734)
at org.codehaus.groovy.runtime.Invoker.invokeConstructorOf(Invoker.java:143)
at org.codehaus.groovy.runtime.InvokerHelper.invokeConstructorOf(InvokerHelper.java:114)
at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeNewN(ScriptBytecodeAdapter.java:214)
at Startup.run(Startup.groovy:48)
at java.lang.Thread.run(Thread.java:619)