When you have an enchanting table, lapis, un-enchanted fishing rod, no bookshelves. Putting the fishing rod and the lapis in sometimes will not show enchants. If one is clicked, it takes the lapis and XP, but no enchant is given.
Linked issues
duplicates 1
Comments 2
Duplicate of MC-36937 – If you searched the tracker before creating this report, and were unable to find the indicated ticket, please comment with the keywords you searched for so that the original report can be improved.
Confirmed. Does not bug out on any other item that is enchantable.