With too much difficulty, I've installed JasperServer 6.3.0 on CentOS 7 and TomCat 8.0.24 as webserver. Once installed I am trying fromTomCat to initialize the service, but I got this error message below:
Check if tomcat itself is running properly by viewing Tomcat's management console.
If there doesn't seem to be any problem, you probably didn't install JasperReports Server correctly. Make sure all files are copied to the server directory. Check the installation log too.