Index: lams_tool_survey/src/java/org/lamsfoundation/lams/tool/survey/service/SurveyOutputFactory.java
===================================================================
diff -u -r2c4a869fa3cbe6b7568e853183feaa1e11ac741b -ref86abf1291deef046eab6f7bc2b6a0fbd94f646
--- lams_tool_survey/src/java/org/lamsfoundation/lams/tool/survey/service/SurveyOutputFactory.java	(.../SurveyOutputFactory.java)	(revision 2c4a869fa3cbe6b7568e853183feaa1e11ac741b)
+++ lams_tool_survey/src/java/org/lamsfoundation/lams/tool/survey/service/SurveyOutputFactory.java	(.../SurveyOutputFactory.java)	(revision ef86abf1291deef046eab6f7bc2b6a0fbd94f646)
@@ -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();