Contradiction with Genesis 27:23
Esau was not recognized by Isaac, while in Genesis 48:8, Jacob does not initially recognize his own grandsons.
Genesis 27:23: And he discerned him not, because his hands were hairy, as his brother Esau's hands: so he blessed him.
Contradiction with 1 Samuel 16:6-7
Samuel initially mistakes Eliab for God's anointed, while God looks at the heart; in Genesis 48:8, Jacob cannot discern based on sight at first.
1 Samuel 16:6-7: And it came to pass, when they were come, that he looked on Eliab, and said, Surely the LORD'S anointed [is] before him. [Eliab: called Elihu]
Contradiction with Luke 24:16
The eyes of the disciples were restrained from recognizing Jesus, similar to Jacob’s failure to initially recognize his grandsons in Genesis 48:8.
Luke 24:16: But their eyes were holden that they should not know him.