I was making an adventure map and I was going to use a nether portal for cosmetic effect but I noticed when there is obsidian behind where the portal blocks are meant to be they wont spawn. This may be to prevent portals in portals but its still a bug.
MC-16688
Nether portals not "igniting"
Resolved
Duplicate
0
adam giraudet
(Unassigned)
Unconfirmed
Minecraft 1.5.2
Retrieved
Duplicate of MC-10077, please use the search function to see if your bug has already been submitted. Currently over 56% of tickets are being closed as duplicate.