Index: lams_tool_survey/src/java/org/lamsfoundation/lams/tool/survey/web/action/AuthoringAction.java
===================================================================
diff -u -r6469a3c8ad3e545e2f1929947d3c46b040896632 -rc43fd385bfbf981f995e48b91e968a259fd4553e
--- lams_tool_survey/src/java/org/lamsfoundation/lams/tool/survey/web/action/AuthoringAction.java	(.../AuthoringAction.java)	(revision 6469a3c8ad3e545e2f1929947d3c46b040896632)
+++ lams_tool_survey/src/java/org/lamsfoundation/lams/tool/survey/web/action/AuthoringAction.java	(.../AuthoringAction.java)	(revision c43fd385bfbf981f995e48b91e968a259fd4553e)
@@ -655,6 +655,10 @@
 		else
 			file = (FormFile) surveyForm.getOnlineFile();
 		
+		if(file == null || StringUtils.isBlank(file.getFileName()))
+		    return mapping.findForward(SurveyConstants.SUCCESS);
+		
+		
 		ISurveyService service = getSurveyService();
 		//upload to repository
 		SurveyAttachment  att = service.uploadInstructionFile(file, type);