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https://issues.apache.org/jira/browse/GROOVY-8814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16636629#comment-16636629
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Paul King commented on GROOVY-8814:
-----------------------------------
The proposed fix for GROOVY-8806 partially fixes this issue in that it allows
the collector annotation to remain in the codebase as a real annotation.
Obviously, actually doing the replacement is possibly preferred and/or if the
legacy serialization approach is used (still allowed with the 8806 fix), then
it would be good to remove or replace..
> AnnotationCollector not removed during stub generation
> ------------------------------------------------------
>
> Key: GROOVY-8814
> URL: https://issues.apache.org/jira/browse/GROOVY-8814
> Project: Groovy
> Issue Type: Bug
> Components: Stub generator / Joint compiler
> Affects Versions: 2.4.15, 2.5.2
> Reporter: Leonard Brünings
> Priority: Major
> Attachments: groovy-stubs-annotation.zip
>
>
> The Groovy Stubs generator leaves the AnnotationCollectors in the generator
> stubs sources instead of replacing them with the collected annotations, which
> in turn causes javac to fail, since they are not valid annotations. (Related
> to GROOVY-7056)
> {{[ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile)
> on project example: Compilation failure}}
> {{[ERROR]
> /C:/dev/github/groovy-stubs-annotation/target/generated-sources/groovy-stubs/main/org/example/Service.java:[19,18]
> incompatible types: groovy.transform.CompileDynamic cannot be converted to
> java.lang.annotation.Annotation}}
> {code:title=Groovy Source}
> @CompileStatic
> class Service {
> @CompileDynamic
> List<String> dynamic() {
> []
> }
> }
> {code}
> gets transformed into
> {code:java|title=Generated Stub}
> @groovy.transform.CompileStatic() public class Service
> extends java.lang.Object implements
> groovy.lang.GroovyObject {
> @groovy.transform.CompileDynamic() public java.util.List<java.lang.String>
> dynamic() { return (java.util.List<java.lang.String>)null;}
> }
> {code}
>
> See attached Project to reproduce
> For groovy 2.4.15: {{./mvnw clean install}}
> For groovy 2.5.2: {{./mvnw clean install -Pgroovy-2.5}}
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