Migrating jaxb-maven-plugin to cxf-jxb-maven-plugin
Locale is missing.
You can use <additionalJvmArgs>
of <configuration>
parameters per execution or Plugin.
There you set -Duser.language=en -Duser.country=US
and you get the generated doc-strings in your language.
You can also try to interfere much more beforehand with LC_* and LANG variables.