Zoltan Papp 86f9051a30
Fix/connection listener (#777)
Fix add/remove connection listener

In case we call the RemoveConnListener from Java then
we lose the reference from the original instance
2023-04-03 16:59:13 +02:00
..
2023-04-03 16:59:13 +02:00
2023-04-03 16:59:13 +02:00