When you do the following command..
./setblock ~ ~ ~ minecraft:wooden_door
(Including Acacia, Iron, Jungle, Dark Oak, Birch, and Spruce..)
Only the bottom half of the door would show up while the top is non existing.
MC-106248
Setblock Door Bug
Resolved
Works As Intended
0
The top is a separate block, use data values 8 or 9.