Contradiction with Proverbs 20:1
This verse warns against wine and strong drink, which contradicts Judges 14:10 where Samson made a feast that likely involved drinking.
Proverbs 20:1: Wine [is] a mocker, strong drink [is] raging: and whosoever is deceived thereby is not wise.
Contradiction with Ephesians 5:18
Advises against getting drunk with wine, contrasting with the implication of a feast involving alcohol in Judges 14:10.
Ephesians 5:18: And be not drunk with wine, wherein is excess; but be filled with the Spirit;
Contradiction with Leviticus 10:9
Prohibits priests from drinking wine or strong drink, conflicting with the idea of celebrating with a feast that may include alcohol in Judges 14:10.
Leviticus 10:9: Do not drink wine nor strong drink, thou, nor thy sons with thee, when ye go into the tabernacle of the congregation, lest ye die: [it shall be] a statute for ever throughout your generations:
Contradiction with Numbers 6:3
The Nazirite vow includes abstaining from wine, contradicting with Samson possibly partaking in wine during his own wedding feast.
Numbers 6:3: He shall separate [himself] from wine and strong drink, and shall drink no vinegar of wine, or vinegar of strong drink, neither shall he drink any liquor of grapes, nor eat moist grapes, or dried.