Class Org.apache.maven.plugin.war.util.webappstructureserializer — Could Not Initialize

Specifically, the War Plugin (versions 3.3.x) relies on JAXB (Java Architecture for XML Binding) to serialize the webapp structure into XML. Starting with Java 9, JAXB was removed from the default JDK module path. If you're running on without explicitly adding JAXB dependencies, you'll encounter this error.

The most common root cause? .

Happy building! 🚀