Default admin user cannot connect to jenkins after running SetupWizard

Cannot use a fresh install of jenkins RPM on a minimal installation of CentOS7.   Firewalld and SELinux are disabled.

All attempts to use jenkins are greeted with an error page reporting:

• An error occurred / Unable to connect to Jenkins

Symptom has been 100% reproducible. 

To reproduce:

Prepare a fresh install of Jenkins on a fresh install of CentOS7:

• Install CentOS 7 - minimal install, hostname and IP supplied via DHCP
• Disable SELinux via /etc/sysconfig/selinux
• #> systemctl disable firewalld
• Reboot
• #> yum upgrade -y
• #> yum install -y wget java-1.8.0-openjdk
• #> java -version
• #> echo 'export JAVA_HOME=/usr/lib/jvm/jre-1.8.0-openjdk' | sudo tee -a /etc/profile
• #> echo 'export JRE_HOME=/usr/lib/jvm/jre' | sudo tee -a /etc/profile
• #> source /etc/profile
• #> wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat/jenkins.repo
• #> rpm --import http://pkg.jenkins-ci.org/redhat/jenkins-ci.org.key
• #> yum install -y jenkins
• #> systemctl enable jenkins
• Reboot - for updated kernel and restart all services

Attempt to use jenkins:

• Direct browser to <appliance>:8080
• click [install suggested plugins]
• click [continue as admin]
• click [start using Jenkins]