This Bible contradiction is from the Skeptic's Annotated Bible.
Yes, he knew everything.
John 16:30 View context
Now are we sure that thou knowest all things, and needest not that any man should ask thee: by this we believe that thou camest forth from God.
John 21:17 View context
He saith unto him the third time, Simon, [son] of Jonas, lovest thou me? Peter was grieved because he said unto him the third time, Lovest thou me? And he said unto him, Lord, thou knowest all things; thou knowest that I love thee. Jesus saith unto him, Feed my sheep.
Colossians 2:2-3 View context
That their hearts might be comforted, being knit together in love, and unto all riches of the full assurance of understanding, to the acknowledgement of the mystery of God, and of the Father, and of Christ;
In whom are hid all the treasures of wisdom and knowledge.
No, he did not know everything.
Mark 5:30 View context
And Jesus, immediately knowing in himself that virtue had gone out of him, turned him about in the press, and said, Who touched my clothes?
Mark 13:32 View context
But of that day and [that] hour knoweth no man, no, not the angels which are in heaven, neither the Son, but the Father.
Matthew 8:10 View context
When Jesus heard [it], he marvelled, and said to them that followed, Verily I say unto you, I have not found so great faith, no, not in Israel.
Luke 7:9 View context
When Jesus heard these things, he marvelled at him, and turned him about, and said unto the people that followed him, I say unto you, I have not found so great faith, no, not in Israel.