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https://issues.apache.org/jira/browse/MNG-8491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17910295#comment-17910295
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Guillaume Nodet commented on MNG-8491:
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Well, I'm saying that if the maven-compiler-plugin does not enable annotation 
processors by default, we don't suffer from any implicit configuration.
Maybe we *should* also make sure that maven compiler plugin only considers 
direct dependencies and not transitive ones ?
I'm quite confident we can find something which is slightly more easy than 
having to list the processors explicitly in the m-compiler-p config, while not 
suffering from possible malicious processors in transitive dependencies.

> Make DIIndexProcessor opt-in
> ----------------------------
>
>                 Key: MNG-8491
>                 URL: https://issues.apache.org/jira/browse/MNG-8491
>             Project: Maven
>          Issue Type: Improvement
>          Components: API
>    Affects Versions: 4.0.0-rc-2
>            Reporter: Konrad Windszus
>            Priority: Blocker
>
> Currently the DIIndexProcessor is automatically registered in 
> https://github.com/apache/maven/blob/master/api/maven-api-di/src/main/resources/META-INF/services/javax.annotation.processing.Processor.
>  This should be removed as it may lead to surprising effects and is no longer 
> recommended by Oracle. Also since Java 22+ implicit annotation processors are 
> no longer considered (https://bugs.openjdk.org/browse/JDK-8306819) and need 
> to be explicitly configured.
> To streamline the behaviour for consumers among all supported Java versions 
> we should get rid of automatic annotation processor registration and document 
> how to opt-in.



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