Cyrille Le Clerc created MNG-8217:
-------------------------------------
Summary: `ClassNotFoundException` in `@PreDestroy` method when
Maven extension declared in `pom.xml`
Key: MNG-8217
URL: https://issues.apache.org/jira/browse/MNG-8217
Project: Maven
Issue Type: Bug
Components: Core
Affects Versions: 3.9.8
Reporter: Cyrille Le Clerc
The `{{@PreDestroy}}` method of JSR 330 based Maven extensions fail with a
`{{ClassNotFoundException}}` when the extension is declared through the
`{{<build><extensions>...</extensions></build>}}`.
The problem doesn't happen when the Maven extension is declared through the
`{{.mvn/extensions.xml}}` file or `{{mvn -Dmaven.ext.class.path=...}}` command
line arg.
This suggest the classes of the extension are unloaded too early, before
`{{@PreDestroy}}` is invoked, when when the extension is declared through the
`{{<build><extensions>...</extensions></build>}}`.
Test case:
*
https://github.com/cyrille-leclerc/maven-extension-test/tree/f2cc78c15e0b9a59547c111db69e2c261c9872ea/test-jsr-330-extension/src/maven-it/extension-declared-in-pom-xml
*
https://github.com/cyrille-leclerc/maven-extension-test/tree/f2cc78c15e0b9a59547c111db69e2c261c9872ea/test-jsr-330-extension/src/maven-it/extension-declared-in-dot-mvn-extensions-xml
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