Some of them from a true sense of their sins; but most of them from a just apprehension of their danger and approaching misery from the Canaanites growing power, and God's forsaking of them; as the following history makes most probable.
Related Commentaries of Judges 2:4
Judges 2:4
4 And it came to pass, when the angel of the LORD spake these words unto all the children of Israel, that the people lifted up their voice, and wept.