Description of problem: Starting engine service on fc28 with python3 fails on Cannot detect JBoss version ovirt-engine: INFO _detectJBossVersion:215 Return code: 1, | stdout: '[], | stderr: '[u'Invalid initial heap size: -Xms1993.25M', u'Error: Could not create the Java Virtual Machine.', u'Error: A fatal exception has occurred. Program will exit.']' fix by manually changing file: 10-setup-java.conf ENGINE_HEAP_MIN="1993.25M" --> ENGINE_HEAP_MIN="1993M" ENGINE_HEAP_MAX="1993.25M" --> ENGINE_HEAP_MIN="1993M" Steps to Reproduce: 1. install engine with python3 on fc28 2. engine setup will fall on closeup