Plugin mixes multiple Maven versions: [4.0.0-beta-3, 3.9.8]

[jpraet]

Maven reports the following plugin validation warning for com.sun.xml.ws:jaxws-maven-plugin:

[WARNING]
[WARNING] Plugin [INTERNAL, EXTERNAL] validation issues were detected in following plugin(s)
[WARNING]
[WARNING]  * com.sun.xml.ws:jaxws-maven-plugin:4.0.3
[WARNING]   Plugin EXTERNAL issue(s):
[WARNING]    * Plugin mixes multiple Maven versions: [4.0.0-beta-3, 3.9.8]
[WARNING]
[WARNING] Fix reported issues by adjusting plugin configuration or by upgrading above listed plugins. If no upgrade available, please notify plugin maintainers about reported issues.
[WARNING] For more or less details, use 'maven.plugin.validation' property with one of the values (case insensitive): [NONE, INLINE, SUMMARY, BRIEF, VERBOSE]
[WARNING]