Installing JIRA 7.0.0 64-bit linux installer on CentOS 7. The log shows a warning:
13-Nov-2015 17:53:52.563 WARNING [main] org.apache.tomcat.util.digester.SetPropertiesRule.begin [SetPropertiesRule]
Setting property 'resolveHosts' to 'false' did not find a matching property.
JIRA is shipped with Tomcat 8. Tomcat doesn't support the resolveHosts property anymore. This could be removed from the server.xml config file.
Row in server.xml: <Valve className="org.apache.catalina.valves.AccessLogValve" resolveHosts="false"