Andreas Turban created GROOVY-11568:
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Summary: Call to private method fails when using Custom MetaClass
Key: GROOVY-11568
URL: https://issues.apache.org/jira/browse/GROOVY-11568
Project: Groovy
Issue Type: Bug
Affects Versions: 4.0.25, 3.0.24
Reporter: Andreas Turban
Attachments: test.groovy
A call to a private method in a BaseClass fails, if the MetaClass of an
instance of a SubType is replace with a non-standard MetaClass.
The attached reproducer should call the method privateMethod(), but does fail
with:
{code:java}
groovy.lang.MissingMethodException: No signature of method:
SubClass.privateMethod() is applicable for argument types: () values: []
at CustomMetaClass.invokeMethod(test.groovy:40)
at CustomMetaClass.super$2$invokeMethod(test.groovy)
at CustomMetaClass.invokeMethod(test.groovy:30)
at BaseClass.publicMethod(test.groovy:10)
at CustomMetaClass.super$2$invokeMethod(test.groovy)
at CustomMetaClass.invokeMethod(test.groovy:40)
at CustomMetaClass.super$2$invokeMethod(test.groovy)
at CustomMetaClass.invokeMethod(test.groovy:35)
at test.run(test.groovy:5)
{code}
See also [Groovy
WebConsole|https://gwc-experiment.appspot.com/?g=groovy_4_0&codez=eNq1U8tOwzAQvOcrVj0lUpQfqJCACqEeoBLlhjg4yZIYHLtaOyml6r9j5-GkrUAghA9xNDuenV2vgxxfIIMLkLiFdZ0uBNM6jAIHV2hYH1nU2qjqzgId4ZaUanbrnTZYJQUaH3nAgmtDuzCKvVwUOKWES244E_wDrX6W6Mmp0BEcuKlTwTOLlyq3rCDIXBiumcaWCPsA7GoUz-GY2wXc2hBvmEEv4rBD-w0m4V7jmDuKmJLUti39hkhROFuXqhY5lKxBSBElZEwIzJPZkOAwmB3KBnw3KPOJ-73nnPTTUz2yrDbCFttqnzb_rNlA_U8MnZwpu4QRjBXpeoMUjkzPmfcFtNvlqkEinmN3bpW-YmaAy0a9DV3qMdVu9pYNcVm4YbHBe1ZhPJxiVNQVSnNkg9DUJDs3yZHuIDhVGiX-y-XTMyjiBZdMXP3d77nUb313F6jtNCD5Tv6kCt-qGFKlBDIJXC_skD6qtTM_wi-kqqXU1sbZkHxd7eDo21uKT1OeppqPj-UTDs1_GA].
It also seams to need to be compiled with Indy, but with Indy it fails in
Groovy 3.x and Groovy 4.x.
The culprit seams somewhere around
"org.codehaus.groovy.vmplugin.v8.Selector.getMetaClassImpl()" where the type of
the meta class is checked, and for non standard MetaClass the code path
deviates.
And then the Sender Class "BaseClass" is not used in the CustomMetaClass
anymore, then failing with it could not find the private method.
Note: It does not fail, if the class is not compile with Indy.
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