About the SharePoint 2013 CEWS Listener for Aspire, how it works, features, etc.
SharePoint 2013 CEWS user access and other requirements
SharePoint 2013 CEWS configuration steps and examples
The service cannot be browsed at http[s]://aspireserver:<port>/<endpoint> if Java 1.8 is installed. The best way to verify that the service is running is browsing http[s]://aspireserver:<port>/<endpoint>?wsdl which should return the CEWS wsdl. Despite the fact that the service is not browsable, it works as expected.
Questions and answers, including troubleshooting techniques