Hello, The change that switches the master branch to Java 8 has been merged: core: Use Java 8 as source and target https://gerrit.ovirt.org/46288 Make sure that you use Java 8 in your development and runtime environments. This change doesn't affect other branches, only master. Regards, Juan Hernandez -- Dirección Comercial: C/Jose Bardasano Baos, 9, Edif. Gorbea 3, planta 3ºD, 28016 Madrid, Spain Inscrita en el Reg. Mercantil de Madrid – C.I.F. B82657941 - Red Hat S.L.