Index: lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/dao/hibernate/AssessmentQuestionResultDAOHibernate.java
===================================================================
diff -u -rceb74e3b4097cf6461280448f904fa21a176aaa4 -r70d1adeee6d96136e69aa91bb50d94c4a3b826d2
--- lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/dao/hibernate/AssessmentQuestionResultDAOHibernate.java	(.../AssessmentQuestionResultDAOHibernate.java)	(revision ceb74e3b4097cf6461280448f904fa21a176aaa4)
+++ lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/dao/hibernate/AssessmentQuestionResultDAOHibernate.java	(.../AssessmentQuestionResultDAOHibernate.java)	(revision 70d1adeee6d96136e69aa91bb50d94c4a3b826d2)
@@ -48,7 +48,7 @@
 
     private static final String GET_ANSWER_MARK = "SELECT q.mark FROM  " + AssessmentQuestionResult.class.getName()
 	    + " AS q, " + AssessmentResult.class.getName() + " AS r "
-	    + " WHERE q.assessmentResult.uid = r.uid AND r.assessment.uid = ? AND (r.finishDate != null) AND r.user.userId =? AND q.assessmentQuestion.sequenceId =? ORDER BY r.startDate DESC";
+	    + " WHERE q.assessmentResult.uid = r.uid AND r.assessment.uid = :assessmentUid AND (r.finishDate != null) AND r.user.userId =:userId AND q.assessmentQuestion.sequenceId =:questionSequenceId ORDER BY r.startDate DESC";
 
     @Override
     public int getNumberWrongAnswersDoneBefore(Long assessmentUid, Long userId, Long questionUid) {
@@ -79,9 +79,9 @@
     @Override
     public Float getQuestionResultMark(Long assessmentUid, Long userId, int questionSequenceId) {
 	Query q = getSession().createQuery(GET_ANSWER_MARK);
-	q.setParameter(0, assessmentUid);
-	q.setParameter(1, userId);
-	q.setParameter(2, questionSequenceId);
+	q.setParameter("assessmentUid", assessmentUid);
+	q.setParameter("userId", userId);
+	q.setParameter("questionSequenceId", questionSequenceId);
 	q.setMaxResults(1);
 	Object result = q.uniqueResult();
 	return result != null ? ((Number) result).floatValue() : null;
Index: lams_tool_lamc/src/java/org/lamsfoundation/lams/tool/mc/dao/hibernate/McContentDAO.java
===================================================================
diff -u -r8846e87b362ce07b580e3750128c5826e667f7e5 -r70d1adeee6d96136e69aa91bb50d94c4a3b826d2
--- lams_tool_lamc/src/java/org/lamsfoundation/lams/tool/mc/dao/hibernate/McContentDAO.java	(.../McContentDAO.java)	(revision 8846e87b362ce07b580e3750128c5826e667f7e5)
+++ lams_tool_lamc/src/java/org/lamsfoundation/lams/tool/mc/dao/hibernate/McContentDAO.java	(.../McContentDAO.java)	(revision 70d1adeee6d96136e69aa91bb50d94c4a3b826d2)
@@ -79,7 +79,7 @@
     public void removeMcById(Long mcContentId) {
 	if (mcContentId != null) {
 	    List list = getSessionFactory().getCurrentSession().createQuery(FIND_MC_CONTENT)
-		    .setParameter(0, mcContentId.longValue()).list();
+		    .setParameter("mcContentId", mcContentId.longValue()).list();
 
 	    if (list != null && list.size() > 0) {
 		McContent mc = (McContent) list.get(0);
Index: lams_tool_wiki/src/java/org/lamsfoundation/lams/tool/wiki/dao/hibernate/WikiPageDAO.java
===================================================================
diff -u -rceb74e3b4097cf6461280448f904fa21a176aaa4 -r70d1adeee6d96136e69aa91bb50d94c4a3b826d2
--- lams_tool_wiki/src/java/org/lamsfoundation/lams/tool/wiki/dao/hibernate/WikiPageDAO.java	(.../WikiPageDAO.java)	(revision ceb74e3b4097cf6461280448f904fa21a176aaa4)
+++ lams_tool_wiki/src/java/org/lamsfoundation/lams/tool/wiki/dao/hibernate/WikiPageDAO.java	(.../WikiPageDAO.java)	(revision 70d1adeee6d96136e69aa91bb50d94c4a3b826d2)
@@ -14,7 +14,7 @@
 public class WikiPageDAO extends LAMSBaseDAO implements IWikiPageDAO {
 
     public static final String GET_BY_WIKI_AND_TITLE = "from tl_lawiki10_wiki_page in class " + WikiPage.class.getName()
-	    + " where wiki_uid=? AND title=? AND wiki_session_uid=null";
+	    + " where wiki_uid=:wikiId AND title=:title AND wiki_session_uid=null";
 
     public static final String GET_BY_SESSION_AND_TITLE = "from tl_lawiki10_wiki_page in class "
 	    + WikiPage.class.getName() + " where wiki_session_uid=:wikiId AND title=:title";
@@ -35,8 +35,8 @@
 	if (wiki != null && title != null && title.length() > 0) {
 	    Long wikiId = wiki.getUid();
 	    Query query = getSessionFactory().getCurrentSession().createQuery(GET_BY_WIKI_AND_TITLE);
-	    query.setParameter(0, wikiId);
-	    query.setParameter(1, title);
+	    query.setParameter("wikiId", wikiId);
+	    query.setParameter("title", title);
 	    return (WikiPage) query.uniqueResult();
 	}
 	return null;