Index: lams_bb_integration/RELEASE_NOTES.TXT
===================================================================
diff -u -r061513b8f8f431afd8d4def0ffa2dd6ce157d417 -rad68e50114d15d3781bf4b34cd60324492f72579
--- lams_bb_integration/RELEASE_NOTES.TXT	(.../RELEASE_NOTES.TXT)	(revision 061513b8f8f431afd8d4def0ffa2dd6ce157d417)
+++ lams_bb_integration/RELEASE_NOTES.TXT	(.../RELEASE_NOTES.TXT)	(revision ad68e50114d15d3781bf4b34cd60324492f72579)
@@ -164,4 +164,9 @@
 * LDEV-4418: Change back button javascript
 
 1.2.26 Release Fixes
-* LDEV-4478: Add ability to display LAMS CourseGradebook 
\ No newline at end of file
+====================
+* LDEV-4478: Add ability to display LAMS CourseGradebook 
+
+1.2.27 Release Fixes
+====================
+* LDEV-4494: Avoid cloning and importing the lessons created by old NTU plugin
\ No newline at end of file
Index: lams_bb_integration/WEB-INF/bb-manifest.xml
===================================================================
diff -u -r061513b8f8f431afd8d4def0ffa2dd6ce157d417 -rad68e50114d15d3781bf4b34cd60324492f72579
--- lams_bb_integration/WEB-INF/bb-manifest.xml	(.../bb-manifest.xml)	(revision 061513b8f8f431afd8d4def0ffa2dd6ce157d417)
+++ lams_bb_integration/WEB-INF/bb-manifest.xml	(.../bb-manifest.xml)	(revision ad68e50114d15d3781bf4b34cd60324492f72579)
@@ -5,7 +5,7 @@
     <name value= "LAMS Integration Module"/>
     <handle value= "lamscontent"/>
     <description value= "LAMS and Blackboard integration allows LAMS leaning designs to be managed and views in a Blackboard Environment."/>
-    <version value= "1.2.26"/>
+    <version value= "1.2.27"/>
     <requires>
     	<bbversion value="9.1.0"/>
     </requires>
Index: lams_bb_integration/build.xml
===================================================================
diff -u -r061513b8f8f431afd8d4def0ffa2dd6ce157d417 -rad68e50114d15d3781bf4b34cd60324492f72579
--- lams_bb_integration/build.xml	(.../build.xml)	(revision 061513b8f8f431afd8d4def0ffa2dd6ce157d417)
+++ lams_bb_integration/build.xml	(.../build.xml)	(revision ad68e50114d15d3781bf4b34cd60324492f72579)
@@ -2,7 +2,7 @@
 <project default="package" name="LAMS/Blackboard Plugin" basedir="./">
 	<property name="project" value="BlackboardPlugin"/>
 	<property name="product" value="lams2-bb-plugin"/>
-	<property name="version" value="1.2.26"/>
+	<property name="version" value="1.2.27"/>
 
 	<property name="build" value="${basedir}/build"/>
 	<property name="build.classes" value="${build}/classes"/>
Index: lams_bb_integration/src/org/lamsfoundation/bb/integration/servlet/LinkToolsServlet.java
===================================================================
diff -u -rdc6d71b150638292aaa1dd2f575e5978604a77a3 -rad68e50114d15d3781bf4b34cd60324492f72579
--- lams_bb_integration/src/org/lamsfoundation/bb/integration/servlet/LinkToolsServlet.java	(.../LinkToolsServlet.java)	(revision dc6d71b150638292aaa1dd2f575e5978604a77a3)
+++ lams_bb_integration/src/org/lamsfoundation/bb/integration/servlet/LinkToolsServlet.java	(.../LinkToolsServlet.java)	(revision ad68e50114d15d3781bf4b34cd60324492f72579)
@@ -380,7 +380,7 @@
 	User teacher = BlackboardUtil.getCourseTeacher(courseId);
 
 	//find all lessons that should be updated
-	List<Content> lamsContents = BlackboardUtil.getLamsLessonsByCourse(courseId);
+	List<Content> lamsContents = BlackboardUtil.getLamsLessonsByCourse(courseId, false);
 	for (Content content : lamsContents) {
 
 	    String _content_id = content.getId().toExternalString();
@@ -446,7 +446,7 @@
 	    User teacher = BlackboardUtil.getCourseTeacher(courseId);
 
 	    //find all lessons that should be updated
-	    List<Content> lamsContents = BlackboardUtil.getLamsLessonsByCourse(courseId);
+	    List<Content> lamsContents = BlackboardUtil.getLamsLessonsByCourse(courseId, false);
 	    for (Content content : lamsContents) {
 
 		String _content_id = content.getId().toExternalString();
@@ -558,7 +558,7 @@
 	    User teacher = BlackboardUtil.getCourseTeacher(courseId);
 
 	    //find all lessons that should be updated
-	    List<Content> lamsContents = BlackboardUtil.getLamsLessonsByCourse(courseId);
+	    List<Content> lamsContents = BlackboardUtil.getLamsLessonsByCourse(courseId, false);
 	    for (Content content : lamsContents) {
 
 		// update lesson id
Index: lams_bb_integration/src/org/lamsfoundation/bb/integration/servlet/UpdateServerUrlServlet.java
===================================================================
diff -u -r54843a5ae3288a977cdfa75fd43afc9c67831624 -rad68e50114d15d3781bf4b34cd60324492f72579
--- lams_bb_integration/src/org/lamsfoundation/bb/integration/servlet/UpdateServerUrlServlet.java	(.../UpdateServerUrlServlet.java)	(revision 54843a5ae3288a977cdfa75fd43afc9c67831624)
+++ lams_bb_integration/src/org/lamsfoundation/bb/integration/servlet/UpdateServerUrlServlet.java	(.../UpdateServerUrlServlet.java)	(revision ad68e50114d15d3781bf4b34cd60324492f72579)
@@ -91,7 +91,7 @@
 	    PkId courseId = new PkId(bbContainer, Course.DATA_TYPE, courseIdParam);
 	    
 	    //find all lessons that should be updated
-	    List<Content> lamsContents = BlackboardUtil.getLamsLessonsByCourse(courseId);
+	    List<Content> lamsContents = BlackboardUtil.getLamsLessonsByCourse(courseId, true);
 	    for (Content content : lamsContents) {
 		String oldUrl = content.getUrl();
 		String newUrl = oldUrl.replaceFirst(oldUrlHost, newUrlHost);
Index: lams_bb_integration/src/org/lamsfoundation/bb/integration/util/BlackboardUtil.java
===================================================================
diff -u -r54843a5ae3288a977cdfa75fd43afc9c67831624 -rad68e50114d15d3781bf4b34cd60324492f72579
--- lams_bb_integration/src/org/lamsfoundation/bb/integration/util/BlackboardUtil.java	(.../BlackboardUtil.java)	(revision 54843a5ae3288a977cdfa75fd43afc9c67831624)
+++ lams_bb_integration/src/org/lamsfoundation/bb/integration/util/BlackboardUtil.java	(.../BlackboardUtil.java)	(revision ad68e50114d15d3781bf4b34cd60324492f72579)
@@ -84,7 +84,7 @@
      * @return list of LAMS lessons
      * @throws PersistenceException
      */
-    public static List<Content> getLamsLessonsByCourse(PkId courseId) throws PersistenceException {
+    public static List<Content> getLamsLessonsByCourse(PkId courseId, boolean includeLessonsCreatedByOldNtuPlugin) throws PersistenceException {
 
 	ContentDbLoader contentLoader = ContentDbLoader.Default.getInstance();
 	CourseTocDbLoader cTocDbLoader = CourseTocDbLoader.Default.getInstance();
@@ -107,7 +107,7 @@
 		for (Content content : contents) {
 		    // only LAMS content
 		    if ("resource/x-lams-lamscontent".equals(content.getContentHandler())
-			    || content.getContentHandler().equals("resource/x-ntu-hdllams")) {
+			    || includeLessonsCreatedByOldNtuPlugin && content.getContentHandler().equals("resource/x-ntu-hdllams")) {
 			lamsContents.add(content);
 		    }
 		}