After switching from Version 2.9.1 to 3.0.1 the element <additionalparam>-Xdoclint:none</additionalparam> needs to be replaced with <additionalOptions>-Xdoclint:none</additionalOptions>.
See https://issues.apache.org/jira/browse/MJAVADOC-475
After switching from Version 2.9.1 to 3.0.1 the element
<additionalparam>-Xdoclint:none</additionalparam>needs to be replaced with<additionalOptions>-Xdoclint:none</additionalOptions>.See https://issues.apache.org/jira/browse/MJAVADOC-475