You can take honey from a bee nest or hive with a dispenser even if there is no honey.
Environment
Place a dropper with an empty bottle facing an empty Bee Nest or Bee Hive and activate it. It will fill the bottle with honey although the nest/hive is empty.
Thank you for your report!
We're actually already tracking this issue in MC-159359, so I resolved and linked this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature in the future to see if the issue has already been reported.