Contradiction with Numbers 32:6
Judges 5:17 mentions the tribes avoiding battle, while Numbers 32:6 questions why some would avoid fighting like the rest of the Israelites.
Numbers 32:6: And Moses said unto the children of Gad and to the children of Reuben, Shall your brethren go to war, and shall ye sit here?
Contradiction with Joshua 22:5
Judges 5:17 implies neglect of duties whereas Joshua 22:5 emphasizes the importance of following God's command and serving Him wholeheartedly.
Joshua 22:5: But take diligent heed to do the commandment and the law, which Moses the servant of the LORD charged you, to love the LORD your God, and to walk in all his ways, and to keep his commandments, and to cleave unto him, and to serve him with all your heart and with all your soul.
Contradiction with 1 Samuel 8:20
Judges 5:17 shows hesitation in joining battle, whereas 1 Samuel 8:20 expresses a desire for leadership to lead into battles.
1 Samuel 8:20: That we also may be like all the nations; and that our king may judge us, and go out before us, and fight our battles.
Contradiction with Jeremiah 48:10
Judges 5:17 reveals neglect in war efforts while Jeremiah 48:10 curses those who are slack in doing the Lord’s work, including battle.
Jeremiah 48:10: Cursed [be] he that doeth the work of the LORD deceitfully, and cursed [be] he that keepeth back his sword from blood. [deceitfully: or, negligently]
Contradiction with James 4:17
Judges 5:17 describes tribes not acting, whereas James 4:17 states that knowing the good to do and not doing it is sinful.
James 4:17: Therefore to him that knoweth to do good, and doeth [it] not, to him it is sin.