You can install the package with the command below, depending on your os:
$ yum install ulyaoth-jsvc
$ dnf install ulyaoth-jsvc

Jsvc

Jsvc is a set of libraries and applications for making Java applications run on UNIX more easily. Jsvc allows the application (e.g. Tomcat) to perform some privileged operations as root (e.g. bind to a port < 1024), and then switch identity to a non-privileged user.

Available Packages:

Package Version
ulyaoth-jsvc 1.0.15

Supported Operating Systems:

Operating Systems Versions
Amazon Linux latest
CentOS 6, 7
Fedora 19, 20, 21, 22, 23, 24, 25
Oracle Linux 6, 7
Red Hat 6, 7
Scientific Linux 6, 7

ulyaoth support