Install Jenkins Centos 7

install_jenkins.sh

#!/bin/sh
yum install -y java
wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat/jenkins.repo
rpm --import https://jenkins-ci.org/redhat/jenkins-ci.org.key
yum install -y jenkins
yum install -y git
service jenkins start/stop/restart
chkconfig jenkins on

got following error when I try to see jenkins status

[root@915448-tools yum.repos.d]# systemctl status jenkins.service
● jenkins.service - LSB: Jenkins Automation Server
Loaded: loaded (/etc/rc.d/init.d/jenkins; bad; vendor preset: disabled)
Active: failed (Result: exit-code) since Fri 2018-07-13 06:16:45 EDT; 29s ago
Docs: man:systemd-sysv-generator(8)
Process: 63364 ExecStart=/etc/rc.d/init.d/jenkins start (code=exited, status=1/FAILURE)

Jul 13 06:16:45 915448-tools.newfrontierdata.com jenkins[63364]: at com.sun.akuma.JavaVMArguments.current(JavaVMArguments.java:92)
Jul 13 06:16:45 915448-tools.newfrontierdata.com jenkins[63364]: at com.sun.akuma.Daemon.daemonize(Daemon.java:106)
Jul 13 06:16:45 915448-tools.newfrontierdata.com jenkins[63364]: at com.sun.akuma.Daemon.all(Daemon.java:88)
Jul 13 06:16:45 915448-tools.newfrontierdata.com jenkins[63364]: ... 6 more
Jul 13 06:16:45 915448-tools.newfrontierdata.com runuser[63369]: pam_unix(runuser:session): session closed for user jenkins
Jul 13 06:16:45 915448-tools.newfrontierdata.com jenkins[63364]: [FAILED]
Jul 13 06:16:45 915448-tools.newfrontierdata.com systemd[1]: jenkins.service: control process exited, code=exited status=1
Jul 13 06:16:45 915448-tools.newfrontierdata.com systemd[1]: Failed to start LSB: Jenkins Automation Server.
Jul 13 06:16:45 915448-tools.newfrontierdata.com systemd[1]: Unit jenkins.service entered failed state.
Jul 13 06:16:45 915448-tools.newfrontierdata.com systemd[1]: jenkins.service failed.

So nearly a year, still same issue going on