diff --git a/contributing/samples/authn-adk-all-in-one/hotel_booker_app/hotelbooker_core.py b/contributing/samples/authn-adk-all-in-one/hotel_booker_app/hotelbooker_core.py
index 8bf94632d8..3858286b63 100644
--- a/contributing/samples/authn-adk-all-in-one/hotel_booker_app/hotelbooker_core.py
+++ b/contributing/samples/authn-adk-all-in-one/hotel_booker_app/hotelbooker_core.py
@@ -131,8 +131,9 @@ def get_available_hotels(self, cursor, location=None):
       cursor.execute(query, params)
       rows = cursor.fetchall()
       return [dict(row) for row in rows], None
-    except sqlite3.Error as e:
-      return None, f"Error getting available hotels: {e}"
+    except sqlite3.Error:
+      logging.exception("Database error while getting available hotels.")
+      return None, "An internal error occurred while retrieving available hotels."
 
   def book_a_room(
       self, conn, hotel_id, guest_name, check_in_date, check_out_date, num_rooms
@@ -259,5 +260,6 @@ def get_booking_details(self, cursor, booking_id=None, guest_name=None):
 
       bookings = [dict(row) for row in rows]
       return bookings if result_type == "list" else bookings[0], None
-    except sqlite3.Error as e:
-      return None, f"Error getting booking details: {e}"
+    except sqlite3.Error:
+      logging.exception("Database error while getting booking details.")
+      return None, "An internal error occurred while retrieving booking details."