Contradiction with Isaiah 2:4
Isaiah 22:8 speaks of exposing defenses and seeing a breach in the city, whereas Isaiah 2:4 speaks of peace, with nations not lifting up swords against each other.
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 Psalms 46:1
Isaiah 22:8 describes vulnerability and exposure, while Psalm 46:1 talks about God being a refuge and strength.
Psalms 46:1: [To the chief Musician for the sons of Korah, A Song upon Alamoth.] God [is] our refuge and strength, a very present help in trouble. [for: or, of]
Contradiction with Jeremiah 1:19
Isaiah 22:8 depicts vulnerability, yet Jeremiah 1:19 assures that though there will be fights against the people, they shall not prevail because God is with them.
Jeremiah 1:19: And they shall fight against thee; but they shall not prevail against thee; for I [am] with thee, saith the LORD, to deliver thee.
Contradiction with Matthew 10:34
Isaiah 22:8 implies exposure and defenselessness, whereas Matthew 10:34 suggests introduction of a sword or conflict rather than exposure due to lack of defense.
Matthew 10:34: Think not that I am come to send peace on earth: I came not to send peace, but a sword.
Contradiction with Ezekiel 38:11
Isaiah 22:8 speaks of removing the covering of Judah, while Ezekiel 38:11 discusses a land at rest and dwelling safely without bars or gates.
Ezekiel 38:11: And thou shalt say, I will go up to the land of unwalled villages; I will go to them that are at rest, that dwell safely, all of them dwelling without walls, and having neither bars nor gates, [safely: or, confidently]