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Posted to notifications@groovy.apache.org by "Eric Milles (Jira)" <ji...@apache.org> on 2021/03/12 17:30:00 UTC

[jira] [Assigned] (GROOVY-9982) Can't assign a field with the result of a method call of the same name from a base class

     [ https://issues.apache.org/jira/browse/GROOVY-9982?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Milles reassigned GROOVY-9982:
-----------------------------------

    Assignee: Eric Milles

> Can't assign a field with the result of a method call of the same name from a base class
> ----------------------------------------------------------------------------------------
>
>                 Key: GROOVY-9982
>                 URL: https://issues.apache.org/jira/browse/GROOVY-9982
>             Project: Groovy
>          Issue Type: Bug
>    Affects Versions: 3.0.7
>            Reporter: Benedikt Ritter
>            Assignee: Eric Milles
>            Priority: Major
>             Fix For: 3.0.8, 4.0.0-alpha-3
>
>         Attachments: test.groovy
>
>
> Having a method in a base class and using that method in an assignment in an inheriting class to assign a field of the same name as that method causes a NullPointerException.
> Try executing the attached script with Groovy 3.0.7. It will yield:
> {code:java}
> ❯ groovy test.groovy
> Caught: java.lang.NullPointerException
> java.lang.NullPointerException
> 	at Child.setup(test.groovy:11)
> 	at Child$setup.call(Unknown Source)
> 	at test.run(test.groovy:16)
> 	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> {code}
> As a work around the method call to foo() can explicitly be prefixed with `super.`



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