Sonos things offline after migrating to openHAB 3 seems to be an UPnP issue

[JustinG]

Maybe this will help you:

"HELP! My UPnP device isn't working right!" and other short stories

Does that sound familiar to you? Then you’ve come to the right place! With the release of 3.1GA coming in the next few weeks I wanted to document some of the updates that have been made to the underlying upnp framework (known as jupnp) that have been recently incorporated into the 3.1 snapshot (#2414 for anyone keeping track). In particular, we are now running jupnp 2.6.0. To give some back story, over the past few years there have been reports of upnp based devices (e.g. Sonos, Panasonic TV…