Contradiction with Isaiah 2:4
This verse speaks of nations not learning war anymore and beating swords into plowshares, which contrasts with the theme of warriors and battle depicted in 2 Samuel 1:22.
Isaiah 2:4: And he shall judge among the nations, and shall rebuke many people: and they shall beat their swords into plowshares, and their spears into pruninghooks: nation shall not lift up sword against nation, neither shall they learn war any more. [pruninghooks: or, scythes]
Contradiction with Matthew 5:9
This verse calls blessed those who make peace, contradicting 2 Samuel 1:22's context of battle and valor in war.
Matthew 5:9: Blessed [are] the peacemakers: for they shall be called the children of God.
Contradiction with James 3:18
Promotes peace and righteousness sown in peace, opposing the imagery of battle and bloodshed evident in 2 Samuel 1:22.
James 3:18: And the fruit of righteousness is sown in peace of them that make peace.