}
                        }
                    }
                }
                catch ( SmbException se ) {
                    /*
                     * Oracle FilesOnline version 9.0.4 doesn't send '.' and '..' so
                     * listFiles may generate undesirable "cannot find
                     * the file specified".
                     */

[source,properties]
----
systemProp.javax.xml.accessExternalDTD=http
----

Note that this will enable HTTP access to external DTDs for the whole build JVM.
See the link:https://docs.oracle.com/en/java/javase/13/security/java-api-xml-processing-jaxp-security-guide.html#GUID-8CD65EF5-D113-4D5C-A564-B875C8625FAC[JAXP documentation] for more details.

=== Deprecations

[[generate_maven_pom_method_deprecations]]