Contradiction with Joshua 13:3
Indicates that some territories in question were still under Philistine control, contradicting the idea that they were part of Judah's inheritance as outlined in Joshua 15:47.
Joshua 13:3: From Sihor, which [is] before Egypt, even unto the borders of Ekron northward, [which] is counted to the Canaanite: five lords of the Philistines; the Gazathites, and the Ashdothites, the Eshkalonites, the Gittites, and the Ekronites; also the Avites:
Contradiction with Judges 3:3
Lists the Philistines among the peoples whom God left in the land to test Israel, implying they were not driven out as might be expected from Joshua 15:47.
Judges 3:3: [Namely], five lords of the Philistines, and all the Canaanites, and the Sidonians, and the Hivites that dwelt in mount Lebanon, from mount Baalhermon unto the entering in of Hamath.
Contradiction with 1 Samuel 27:6
States that Achish gave Ziklag to David, a city that is considered part of the inheritance of Judah, suggesting changing control over the area that clashes with Joshua 15:47.
1 Samuel 27:6: Then Achish gave him Ziklag that day: wherefore Ziklag pertaineth unto the kings of Judah unto this day.
Contradiction with 1 Samuel 31:7
Describes how the Israelites abandoned cities due to Philistine threat, indicating inconsistent control of the area described in Joshua 15:47.
1 Samuel 31:7: And when the men of Israel that [were] on the other side of the valley, and [they] that [were] on the other side Jordan, saw that the men of Israel fled, and that Saul and his sons were dead, they forsook the cities, and fled; and the Philistines came and dwelt in them.
Contradiction with 2 Kings 18:8
Mentions that Hezekiah defeated the Philistines “unto Gaza, and the borders thereof,” suggesting incomplete control by Judah as stated in Joshua 15:47.
2 Kings 18:8: He smote the Philistines, [even] unto Gaza, and the borders thereof, from the tower of the watchmen to the fenced city. [Gaza: Heb. Azzah]