OnCommand Workflow Automation 5.0.1 installation failed in RHEL 7.6

Applies to

OnCommand  Workflow automation (WFA) 5.0.1

Red Hat Enterprise Linux (RHEL) 7.6

Issue

• OnCommand  Workflow automation 5.0.1 installation failed in RHEL 7.6 with below error

Initialising MySQL data directory.
Installing WFA database init service.
Starting WFA database service.
Starting wfa-db. SUCCESS!
Waiting for WFA database service to come up.
mysqld is alive
Configuring MySQL with WFA specific configurations.
Configured WFA administrator user successfully in database.
Configuring password for MySQL root user.
Setting WFA license key.
Key was set successfully

Job for wfa-server.service failed because the control process exited with error code. See "systemctl status wfa-server.service" and "journalctl -xe" for details.

Could not start WFA server service successfully.
Exiting installation...

• Execute "journalctl -xe" for more details, could see below entries

Binding to IPv6 address not available since kernel does not support IPv6.