Red Hat Enterprise Linux 7 introduced a new feature ‘systemd’ for init system. When using the ‘systemctl’ command to start Red Hat Apache 2.4 (RPM) on it, /etc/sysconfig/httpd does not allow sourcing shell script ‘ca_wa_env.sh.’ Please enhance Web Agent initialization to support ‘systemctl’ command.
Red Hat Enterprise Linux 7 Migration Planning Guide,
2.2.3. New Init System
systemd is the system and service manager that replaces the SysV init system used in previous releases of Red Hat Enterprise Linux