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https://issues.apache.org/jira/browse/GROOVY-8219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17756571#comment-17756571
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Eric Milles commented on GROOVY-8219:
-------------------------------------
Yes, I’d just open a new issue ticket and note what it does if it’s more than
the noted results.
> Add @TupleConstructor(includeFields = true) to a class implements a trait
> which contains properties will cause NPE
> ------------------------------------------------------------------------------------------------------------------
>
> Key: GROOVY-8219
> URL: https://issues.apache.org/jira/browse/GROOVY-8219
> Project: Groovy
> Issue Type: Bug
> Components: xforms
> Affects Versions: 2.4.11
> Reporter: Huabin Zhang
> Assignee: Eric Milles
> Priority: Major
> Labels: breaking, trait, traits
> Fix For: 5.0.0-alpha-1
>
>
> Hi, guys:
> I got NPE when I wrote the following codes:
> {code:java|title=Groovy Script|borderStyle=solid}
> trait T {
> def x = 'abc'
> }
> import groovy.transform.TupleConstructor
> @TupleConstructor(includeFields = true)
> class A implements T {
> def a
> private b
> }
> assert 'ABC' == new A().x.toUpperCase()
> {code}
> I found that it will works well if I remove {{(includefields = true)}}.
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