GuntherRademacher opened a new issue, #507:
URL: https://github.com/apache/maven-jar-plugin/issues/507

   ### Affected version
   
   3.5.0
   
   ### Bug description
   
   After 
[upgrading](https://github.com/BaseXdb/basex/commit/42f793899abe135e953c78e26b3b3ba3e0d14c5a)
 maven-jar-plugin from 3.4.2 to 3.5.0, Eclipse m2e begins reporting the 
following Maven configuration error on the project's pom.xml:
   
   ```txt
   Cannot access Key[type=org.apache.maven.project.MavenProject, 
annotation=[none]] outside of a scoping block
   ```
   
   This error appears only inside Eclipse (m2e). The project builds 
successfully with Maven CLI (mvn clean package). 
[Downgrading](https://github.com/BaseXdb/basex/commit/1b7a67316c8cf181087becf80a074e437ef2038a)
 back to 3.4.2 consistently removes the error.
   
   This strongly suggests that a change in 3.5.0 triggers a Guice/Sisu scope 
violation during mojo configuration - something m2e does differently from CLI 
builds.
   
   **Environment**
   
   - Eclipse IDE: 2025-09 release
   - m2e: default version bundled with Eclipse 2025-09
   - Embedded Maven in Eclipse: 3.9.11
   - External Maven via CLI: 3.9.x (works fine)
   - Java version: 17
   - OS: Windows 11


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