See https://builds.apache.org/job/maven-box/job/maven/job/master/26/
Changes: * [MNG-6426] IT for MNG-6127 fails on Java 9+ * [MNG-6427] IT for MNG-1957 fails on Java 9+ * [MNG-6428] IT for MNG-5958 fails on Java 9+ * [MNG-6426] IT for MNG-6127 fails on Java 9+ * [MNG-6427] IT for MNG-1957 fails on Java 9+ * [MNG-6428] IT for MNG-5958 fails on Java 9+ All tests passed
