Index: lams_tool_vote/src/java/org/lamsfoundation/lams/tool/vote/service/VoteServicePOJO.java
===================================================================
RCS file: /usr/local/cvsroot/lams_tool_vote/src/java/org/lamsfoundation/lams/tool/vote/service/VoteServicePOJO.java,v
diff -u -r1.60 -r1.61
--- lams_tool_vote/src/java/org/lamsfoundation/lams/tool/vote/service/VoteServicePOJO.java	26 Mar 2008 03:57:40 -0000	1.60
+++ lams_tool_vote/src/java/org/lamsfoundation/lams/tool/vote/service/VoteServicePOJO.java	30 Apr 2008 04:53:14 -0000	1.61
@@ -517,8 +517,14 @@
     {
         try
         {
-        	Set potentialLearners = toolService.getAllPotentialLearners(voteSessionId.longValue());
-        	return potentialLearners != null ? potentialLearners.size() : 0;
+        	VoteSession session = voteSessionDAO.getVoteSessionByUID(voteSessionId);
+        	if ( session != null ) {
+	        	Set potentialLearners = toolService.getAllPotentialLearners(session.getVoteSessionId().longValue());
+	        	return potentialLearners != null ? potentialLearners.size() : 0;
+        	} else {
+        		logger.error("Unable to find vote session record id="+voteSessionId+". Returning 0 users.");
+        		return 0;
+        	}
         }
         catch (LamsToolServiceException e)
         {