Airbus's difficulties with the 380 and Boeing's with the 787 are essentially similar, those encountered when you venture into hitherto unexplored areas.
On the contrary, the problems faced by the two are decades apart.
The 380 introduces very little new tech. it just increases the size of the existing. AB problems come from a dual management structure between two partners who barley talk on a day to day basis. The solution lies not with the engineers or the aircraft but in the board room. The prob will be fixed by throwing money at the buyers. How can management let the worlds premium airliner go down the tubes, or at best get stuck for a while, because some electrical connections are not right, or not available.
B problems come from the fact that they are producing an aircraft that is at the cutting edge. The composite fuse has never been tried before. The problems rest with the engineers and development people. The problem will be fixed by throwing money at the problem. They at least have the support of a unified management and a company all trying to go in the same direction.
If AB do not sort the underlying prob. then the future looks bleak.