Index: lams_tool_notebook/src/java/org/lamsfoundation/lams/tool/notebook/web/servlets/ExportServlet.java
===================================================================
diff -u -re7046600ee8bfa53d053e0aee33a16b52ad0e8e2 -rdc7c8eba8691651939871c71daaa67629fed7215
--- lams_tool_notebook/src/java/org/lamsfoundation/lams/tool/notebook/web/servlets/ExportServlet.java	(.../ExportServlet.java)	(revision e7046600ee8bfa53d053e0aee33a16b52ad0e8e2)
+++ lams_tool_notebook/src/java/org/lamsfoundation/lams/tool/notebook/web/servlets/ExportServlet.java	(.../ExportServlet.java)	(revision dc7c8eba8691651939871c71daaa67629fed7215)
@@ -43,9 +43,8 @@
 import org.lamsfoundation.lams.tool.notebook.service.INotebookService;
 import org.lamsfoundation.lams.tool.notebook.service.NotebookServiceProxy;
 import org.lamsfoundation.lams.tool.notebook.util.NotebookException;
-import org.lamsfoundation.lams.usermanagement.dto.UserDTO;
+import org.lamsfoundation.lams.util.WebUtil;
 import org.lamsfoundation.lams.web.servlet.AbstractExportPortfolioServlet;
-import org.lamsfoundation.lams.web.session.SessionManager;
 import org.lamsfoundation.lams.web.util.AttributeNames;
 
 public class ExportServlet extends AbstractExportPortfolioServlet {
@@ -130,12 +129,9 @@
 
 		Notebook notebook = notebookSession.getNotebook();
 
-		UserDTO lamsUserDTO = (UserDTO) SessionManager.getSession()
-				.getAttribute(AttributeNames.USER);
-
+		Long userID = WebUtil.readLongParam(request, AttributeNames.PARAM_USER_ID);
 		NotebookUser notebookUser = notebookService
-				.getUserByUserIdAndSessionId(new Long(lamsUserDTO.getUserID()),
-						toolSessionID);
+				.getUserByUserIdAndSessionId(userID, toolSessionID);
 
 		NotebookEntry notebookEntry = notebookService.getEntry(notebookUser
 				.getEntryUID());