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https://issues.apache.org/jira/browse/GROOVY-8837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16644254#comment-16644254
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Paul King commented on GROOVY-8837:
-----------------------------------
Generics is definitely an area which needs more work but I was unable to
reproduce with your example. But perhaps I changed something important. To get
your example to work I moved the Groovy test file to {{src/test/groovy}} and I
changed the Groovy dependency to be {{groovy}} and {{groovy-test}} instead of
{{groovy-all}} (just in dependencies not under plugins). After those changes I
get:
{noformat}
-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running sample.SubClassTest
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.188 sec
Results :
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
{noformat}
> Invalid type inference for redefined generic boundaries
> -------------------------------------------------------
>
> Key: GROOVY-8837
> URL: https://issues.apache.org/jira/browse/GROOVY-8837
> Project: Groovy
> Issue Type: Bug
> Components: Compiler
> Affects Versions: 2.5.2
> Reporter: Constantine Plotnikov
> Priority: Major
> Attachments: groovy-bug-generic-extension.zip
>
>
> Static compiler incorrectly calculates type boundary for chain calls with
> generic types. When method is called, it takes boundary defined in the method
> of the class (Base in sample), instead of the boundary redefined in subclass
> (SubClass in sample).
> The bug was discovered when working with Lombok SuperBuilder generated
> classes from Groovy. The attached project demonstrate the bug on the smaller
> sample.
> Note that Java test infers type correctly, but groovy does not. However, the
> groovy test works when CompileStatic annotation is disabled.
> IDEA also shows red code here, but it possibly follows Groovy logic.
> The bug also affects earlier versions.
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