Index: BH13SPARQLBuilder/src/hozo/maptool/MapFactory.java
===================================================================
--- BH13SPARQLBuilder/src/hozo/maptool/MapFactory.java (revision 17)
+++ BH13SPARQLBuilder/src/hozo/maptool/MapFactory.java (revision 24)
@@ -91,4 +91,8 @@
 	
 	public void loadPathList(Path[] pathlist){
+		if(pathlist.length==0){
+			JOptionPane.showMessageDialog(null, "NO PATH!!");
+			return;
+		}
 		Path path = pathlist[0];