1. 2018-12-08 19:22:59,510 [pool-4-thread-87] ERROR [o.d.s.f.i.FrontierImpl ] - <Couldn't determine the Inet address of "http://purl.org/dc/elements/1.1/description". It will be ignored.>2. 2018-12-08 19:22:59,688 [pool-4-thread-15] ERROR [o.d.s.f.i.FrontierImpl ] - <Could not recognize IP for http://www.w3.org/2002/07/owl#imports, unknown host>
The links mentioned above are accessible via a browser and still being recognised by frontier.
Problem
The frontier logs
1. 2018-12-08 19:22:59,510 [pool-4-thread-87] ERROR [o.d.s.f.i.FrontierImpl ] - <Couldn't determine the Inet address of "http://purl.org/dc/elements/1.1/description". It will be ignored.>2. 2018-12-08 19:22:59,688 [pool-4-thread-15] ERROR [o.d.s.f.i.FrontierImpl ] - <Could not recognize IP for http://www.w3.org/2002/07/owl#imports, unknown host>The links mentioned above are accessible via a browser and still being recognised by frontier.