Index: lams_tool_survey/src/java/org/lamsfoundation/lams/tool/survey/service/SurveyOutputFactory.java
===================================================================
diff -u -rf83f367fdcf4b417d1ccbd74cca5dd88dc24df7a -rb69bd7e0a344edac495e0ceaf6955b7240df736e
--- lams_tool_survey/src/java/org/lamsfoundation/lams/tool/survey/service/SurveyOutputFactory.java	(.../SurveyOutputFactory.java)	(revision f83f367fdcf4b417d1ccbd74cca5dd88dc24df7a)
+++ lams_tool_survey/src/java/org/lamsfoundation/lams/tool/survey/service/SurveyOutputFactory.java	(.../SurveyOutputFactory.java)	(revision b69bd7e0a344edac495e0ceaf6955b7240df736e)
@@ -131,7 +131,7 @@
 	    String[] textAnswers = null;
 	    List<String> answersList = new ArrayList<String>();
 	    SurveyUser user = surveyService.getUserByIDAndSession(learnerId, toolSessionId);
-	    List<AnswerDTO> answerDTOs = surveyService.getQuestionAnswers(toolSessionId, user.getUid());
+	    List<AnswerDTO> answerDTOs = user == null ? null : surveyService.getQuestionAnswers(toolSessionId, user.getUid());
 	    if (answerDTOs != null && !answerDTOs.isEmpty()) {
 		for (AnswerDTO answerDTO : answerDTOs) {
 		    SurveyAnswer surveyAnswer = answerDTO.getAnswer();