Contradiction with John 4:14
John 19:28 mentions Jesus expressing thirst, whereas John 4:14 speaks of Him offering "living water" that will cause one to never thirst.
John 4:14: But whosoever drinketh of the water that I shall give him shall never thirst; but the water that I shall give him shall be in him a well of water springing up into everlasting life.
Contradiction with Matthew 27:34
Offers wine mixed with gall to drink, which Jesus refused, contradicting His later thirst expressed in John 19:28.
Matthew 27:34: They gave him vinegar to drink mingled with gall: and when he had tasted [thereof], he would not drink.
Contradiction with Revelation 7:16
States that those in heaven will neither hunger nor thirst, contradicting the thirst of Jesus mentioned in John 19:28.
Revelation 7:16: They shall hunger no more, neither thirst any more; neither shall the sun light on them, nor any heat.
Contradiction with Philippians 4:12-13
Suggests that in Christ, one can be content in all circumstances, conflicting with Jesus’s expressed physical need in John 19:28.
Philippians 4:12-13: I know both how to be abased, and I know how to abound: every where and in all things I am instructed both to be full and to be hungry, both to abound and to suffer need.
Contradiction with John 7:37
Jesus invites others to come to Him if they are thirsty, seemingly inconsistent with His own expression of thirst in John 19:28.
John 7:37: In the last day, that great [day] of the feast, Jesus stood and cried, saying, If any man thirst, let him come unto me, and drink.