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https://issues.apache.org/jira/browse/GROOVY-11916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18138812#comment-18138812
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ASF GitHub Bot commented on GROOVY-11916:
-----------------------------------------
codecov-commenter commented on PR #3227:
URL: https://github.com/apache/groovy/pull/3227#issuecomment-6660257972
##
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Report
:x: Patch coverage is `60.60606%` with `13 lines` in your changes missing
coverage. Please review.
:white_check_mark: Project coverage is 74.1711%. Comparing base
([`ee802a1`](https://app.codecov.io/gh/apache/groovy/commit/ee802a1814eae7a50016cf6ad2896ff9e80f6665?dropdown=coverage&el=desc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache))
to head
([`81895bc`](https://app.codecov.io/gh/apache/groovy/commit/81895bc2955799ecbaf8903df2efeb34557d4db3?dropdown=coverage&el=desc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache)).
| [Files with missing
lines](https://app.codecov.io/gh/apache/groovy/pull/3227?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache)
| Patch % | Lines |
|---|---|---|
|
[...va/org/codehaus/groovy/control/ResolveVisitor.java](https://app.codecov.io/gh/apache/groovy/pull/3227?src=pr&el=tree&filepath=src%2Fmain%2Fjava%2Forg%2Fcodehaus%2Fgroovy%2Fcontrol%2FResolveVisitor.java&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache#diff-c3JjL21haW4vamF2YS9vcmcvY29kZWhhdXMvZ3Jvb3Z5L2NvbnRyb2wvUmVzb2x2ZVZpc2l0b3IuamF2YQ==)
| 60.6061% | [3 Missing and 10 partials :warning:
](https://app.codecov.io/gh/apache/groovy/pull/3227?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache)
|
<details><summary>Additional details and impacted files</summary>
[](https://app.codecov.io/gh/apache/groovy/pull/3227?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache)
```diff
@@ Coverage Diff @@
## master #3227 +/- ##
==================================================
- Coverage 74.1723% 74.1711% -0.0012%
- Complexity 43760 43772 +12
==================================================
Files 1692 1692
Lines 149599 149627 +28
Branches 28386 28399 +13
==================================================
+ Hits 110961 110980 +19
- Misses 28430 28433 +3
- Partials 10208 10214 +6
```
| [Files with missing
lines](https://app.codecov.io/gh/apache/groovy/pull/3227?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache)
| Coverage Δ | |
|---|---|---|
|
[...va/org/codehaus/groovy/control/ResolveVisitor.java](https://app.codecov.io/gh/apache/groovy/pull/3227?src=pr&el=tree&filepath=src%2Fmain%2Fjava%2Forg%2Fcodehaus%2Fgroovy%2Fcontrol%2FResolveVisitor.java&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache#diff-c3JjL21haW4vamF2YS9vcmcvY29kZWhhdXMvZ3Jvb3Z5L2NvbnRyb2wvUmVzb2x2ZVZpc2l0b3IuamF2YQ==)
| `90.1676% <60.6061%> (-0.8359%)` | :arrow_down: |
... and [13 files with indirect coverage
changes](https://app.codecov.io/gh/apache/groovy/pull/3227/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache)
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</details>
> Star imports should not resolve package-private types
> -----------------------------------------------------
>
> Key: GROOVY-11916
> URL: https://issues.apache.org/jira/browse/GROOVY-11916
> Project: Groovy
> Issue Type: Bug
> Reporter: Paul King
> Priority: Major
>
> Groovy's star import resolution (e.g., import java.util.*) currently includes
> package-private classes in name resolution. On modern JDKs (9+) with the
> module system, these classes cannot actually be used — attempts result in
> IllegalAccessError at runtime. This can lead to confusing errors and
> inconsistency with Java's behaviour where star imports only resolve public
> types.
> For example, import java.util.* allows def cls = TimSort to compile
> (resolving the package-private java.util.TimSort), but any actual usage
> (instanceof, construction, method calls) fails at runtime with
> IllegalAccessError.
> {code:groovy}
> import java.util.*
> assert String.modifiers == 17
> def cls = TimSort // fine
> assert cls.modifiers == 0
> println cls // => class java.util.TimSort
> println Class.forName('java.util.TimSort') // => class java.util.TimSort
> println new Object() instanceof TimSort // IllegalAccessError
> {code}
> Having said that, as a counter example, is it really any different than being
> able to get the class via Class.forName?
> If the Java behavior is deemed correct, the fix would be to filter non-public
> classes during star import resolution in ResolveVisitor, producing a clean
> compile-time error instead of a runtime error. This is technically a breaking
> change but only affects code that was already failing at runtime on modular
> JDKs.
> This also benefits the import module feature (GROOVY-11896), which expands to
> star imports — filtering at the resolution level means module imports
> correctly include only public types, matching Java's import module semantics.
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