Contradiction with Proverbs 28:9
James 1:5 encourages asking God for wisdom, while Proverbs 28:9 suggests that God will not hear the prayer of someone who turns away from the law.
Proverbs 28:9: He that turneth away his ear from hearing the law, even his prayer [shall be] abomination.
Contradiction with Matthew 7:7
James 1:5 assures that God gives generously to all, while Matthew 7:7 implies that only those who ask, seek, and knock receive, find, and have doors opened.
Matthew 7:7: Ask, and it shall be given you; seek, and ye shall find; knock, and it shall be opened unto you:
Contradiction with Matthew 13:11
James 1:5 offers wisdom to anyone who asks, whereas Matthew 13:11 indicates that the knowledge of the kingdom of heaven is given only to some people, not to everyone.
Matthew 13:11: He answered and said unto them, Because it is given unto you to know the mysteries of the kingdom of heaven, but to them it is not given.
Contradiction with Isaiah 59:2
James 1:5 states God gives wisdom generously to all who ask, but Isaiah 59:2 implies that sin creates a barrier between God and those who pray.
Isaiah 59:2: But your iniquities have separated between you and your God, and your sins have hid [his] face from you, that he will not hear. [have hid: or, have made him hide]
Contradiction with 1 Corinthians 1:19
James 1:5 promises wisdom to those who ask, while 1 Corinthians 1:19 describes how God will destroy the wisdom of the wise, implying a limit to obtainable wisdom.
1 Corinthians 1:19: For it is written, I will destroy the wisdom of the wise, and will bring to nothing the understanding of the prudent.