Index: lams_learning/src/java/org/lamsfoundation/lams/learning/web/action/LearnerAction.java
===================================================================
diff -u -r656c0d80747b967ea9ec09add791b195898e729e -r30e22ff69a8712e6cc583c334c3ea9133c1115f8
--- lams_learning/src/java/org/lamsfoundation/lams/learning/web/action/LearnerAction.java	(.../LearnerAction.java)	(revision 656c0d80747b967ea9ec09add791b195898e729e)
+++ lams_learning/src/java/org/lamsfoundation/lams/learning/web/action/LearnerAction.java	(.../LearnerAction.java)	(revision 30e22ff69a8712e6cc583c334c3ea9133c1115f8)
@@ -43,7 +43,6 @@
 import org.lamsfoundation.lams.learningdesign.dto.ProgressActivityDTO;
 import org.lamsfoundation.lams.lesson.LearnerProgress;
 import org.lamsfoundation.lams.lesson.Lesson;
-import org.lamsfoundation.lams.lesson.dto.LearnerProgressDTO;
 import org.lamsfoundation.lams.lesson.dto.LessonDTO;
 import org.lamsfoundation.lams.usermanagement.User;
 import org.lamsfoundation.lams.util.WebUtil;
@@ -165,6 +164,11 @@
 			+ " is not a learner in the requested lesson.");
 		return mapping.findForward("message");
 	    }
+	    // check lesson's state if its suitable for learner's access
+	    if (!lesson.isLessonAccessibleForLearner()) {
+		request.setAttribute("messageKey", "Lesson is inaccessible");
+		return mapping.findForward("message");
+	    }
 
 	    if (LearnerAction.log.isDebugEnabled()) {
 		LearnerAction.log.debug("The learner [" + learner + "] is joining the lesson [" + lessonID + "]");