Contradiction with Proverbs 24:17
This verse advises not to rejoice when your enemy falls, whereas 2 Samuel 19:17 describes a man humbly seeking forgiveness and escorting the king, suggesting reconciliation instead of enmity.
Proverbs 24:17: Rejoice not when thine enemy falleth, and let not thine heart be glad when he stumbleth:
Contradiction with Matthew 5:44
Jesus instructs to love your enemies and pray for those who persecute you, which contrasts with the potentially insincere or politically motivated act of repentance seen in 2 Samuel 19:17.
Matthew 5:44: But I say unto you, Love your enemies, bless them that curse you, do good to them that hate you, and pray for them which despitefully use you, and persecute you;
Contradiction with Luke 6:27
Encourages doing good to those who hate you, which could be seen as contrary to the act of bowing before the king in 2 Samuel 19:17, possibly out of fear rather than genuine goodwill.
Luke 6:27: But I say unto you which hear, Love your enemies, do good to them which hate you,