I do not see how my bug report is "resolved". The supposed "duplicate issue" (https://mojang.atlassian.net/browse/MC-4631) has no relation with the problem reported by me.
Well, I've left the game running for at least an hour or more with no lava disappearing.
I do agree with Aiden though, the lava should at least disappear at the same rate it was generated.
I do not see how my bug report is "resolved". The supposed "duplicate issue" (https://mojang.atlassian.net/browse/MC-4631) has no relation with the problem reported by me.