Unexpected problem with javadoc plugin after previous OK build.

Author: brett-smith

pom.xml

@@ -159,7 +159,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-javadoc-plugin</artifactId>
-    				<version>3.6.3</version>
+    				<version>3.12.0</version>
                     <configuration>
        					<javadocExecutable>${java.home}/bin/javadoc</javadocExecutable>
                         <encoding>UTF-8</encoding>