Index: lams_tool_larsrc/src/java/org/lamsfoundation/lams/tool/rsrc/web/action/AuthoringAction.java
===================================================================
diff -u -r6469a3c8ad3e545e2f1929947d3c46b040896632 -r873c5611e8652d3f71d27063865bd23117f8cfa6
--- lams_tool_larsrc/src/java/org/lamsfoundation/lams/tool/rsrc/web/action/AuthoringAction.java	(.../AuthoringAction.java)	(revision 6469a3c8ad3e545e2f1929947d3c46b040896632)
+++ lams_tool_larsrc/src/java/org/lamsfoundation/lams/tool/rsrc/web/action/AuthoringAction.java	(.../AuthoringAction.java)	(revision 873c5611e8652d3f71d27063865bd23117f8cfa6)
@@ -664,6 +664,10 @@
 		else
 			file = (FormFile) resourceForm.getOnlineFile();
 		
+		if(file == null || StringUtils.isBlank(file.getFileName()))
+			return mapping.findForward(ResourceConstants.SUCCESS);
+		
+		
 		IResourceService service = getResourceService();
 		//upload to repository
 		ResourceAttachment  att = service.uploadInstructionFile(file, type);