Contradiction with Matthew 5:39
Ezekiel 4:2 involves laying siege to a city, which involves aggression and conflict, whereas Matthew 5:39 promotes non-resistance to evil by turning the other cheek.
Matthew 5:39: But I say unto you, That ye resist not evil: but whosoever shall smite thee on thy right cheek, turn to him the other also.
Contradiction with Romans 12:18
Ezekiel 4:2 describes an act of warfare, but Romans 12:18 advises living peaceably with all men whenever possible.
Romans 12:18: If it be possible, as much as lieth in you, live peaceably with all men.
Contradiction with Isaiah 2:4
In Ezekiel 4:2, there is an act of preparing for war, whereas Isaiah 2:4 speaks of turning swords into plowshares and learning war no more, promoting peace.
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 1 Peter 3:9
Ezekiel 4:2 involves engaging in conflict, contrary to 1 Peter 3:9, which instructs not to return evil for evil.
1 Peter 3:9: Not rendering evil for evil, or railing for railing: but contrariwise blessing; knowing that ye are thereunto called, that ye should inherit a blessing.
Contradiction with James 3:17-18
The act of besieging in Ezekiel 4:2 conflicts with the concept of peace and meekness described in James 3:17-18.
James 3:17-18: But the wisdom that is from above is first pure, then peaceable, gentle, [and] easy to be intreated, full of mercy and good fruits, without partiality, and without hypocrisy. [partiality: or, wrangling]