Georg, The UI will be available once you see these log messages:
2017-06-09 09:02:37,208 INFO [main] org.apache.nifi.web.server.JettyServer NiFi has started. The UI is available at the following URLs: 2017-06-09 09:02:37,208 INFO [main] org.apache.nifi.web.server.JettyServer http://<host>:<port>/nifi 2017-06-09 09:02:37,208 INFO [main] org.apache.nifi.web.server.JettyServer http://<host>:<port>/nifi If you search through the logs looking for the port you're configured to listen on, do you find anything? If these haven't printed yet, the UI will not be available. If they have, then the UI should be available. Also, anything interesting in the bootstrap log? Thanks Matt On Mon, Jun 12, 2017 at 9:09 AM, Georg Heiler <[email protected]> wrote: > After restarting my NiFi host no longer the NiFi web interface will start. > From the logs it looks like everything lese of NiFi is working fine. > > a curl to localhost:<NiFiPort> will return an empty response. > > What else can I try? > The logs do not show any errors. > > Regards, > Georg >
