diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/AppController.java b/src/main/java/org/gcube/portlets/user/workspace/client/AppController.java
index 35cf682..168ff82 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/AppController.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/AppController.java
@@ -82,14 +82,19 @@ import org.gcube.portlets.user.workspace.client.view.windows.InfoDisplay;
 import org.gcube.portlets.user.workspace.client.view.windows.MessageBoxAlert;
 import org.gcube.portlets.user.wsmail.client.forms.MailForm;
 
+import com.extjs.gxt.ui.client.widget.ContentPanel;
+import com.extjs.gxt.ui.client.widget.LayoutContainer;
+import com.extjs.gxt.ui.client.widget.layout.FitLayout;
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.core.client.RunAsyncCallback;
 import com.google.gwt.core.client.Scheduler;
 import com.google.gwt.core.client.Scheduler.ScheduledCommand;
+import com.google.gwt.dev.asm.tree.IntInsnNode;
 import com.google.gwt.event.shared.HandlerManager;
 import com.google.gwt.user.client.Cookies;
 import com.google.gwt.user.client.Window;
 import com.google.gwt.user.client.rpc.AsyncCallback;
+import com.google.gwt.user.client.ui.HTML;
 import com.google.gwt.user.client.ui.HasWidgets;
 
 /**
@@ -105,6 +110,7 @@ public class AppController implements SubscriberInterface {
 //	public static boolean isSearchActive = false;
 
 	
+	
 	public AppController(AppControllerExplorer appControllerExplorer) {
 		this.appContrExplorer = appControllerExplorer;
 		this.appContrExplorer.subscribe(this, new EventsTypeEnum[] {
@@ -817,10 +823,10 @@ public class AppController implements SubscriberInterface {
 		boolean isSearchForItemId = false;
 		//		Log.trace("Start Workspace Portlet");
 		if (this.appContrExplorer == null){
+			
 			this.wsPortlet = new WorskpacePortlet(instanceWithGrouping);
 		}
 		else{
-			
 			if(searchParameter!=null && !searchParameter.isEmpty())
 				isSearch = true;
 			
@@ -833,8 +839,83 @@ public class AppController implements SubscriberInterface {
 			eventBus.fireEvent(new LoadAllScopeEvent()); //LOAD ALL SCOPE EVENT
 		}
 		
-//		System.out.println("isSearch "+isSearch);
-//		System.out.println("isSearchForItemId "+isSearchForItemId);
+		final boolean searchingForItemId = isSearchForItemId;
+		
+		//VALIDATING SESSION
+		if(appContrExplorer!=null){
+			appContrExplorer.getRpcWorkspaceService().isSessionExpired(new AsyncCallback<Boolean>() {
+
+				@Override
+				public void onFailure(Throwable caught) {
+					GWT.log("ERROR ON VALIDATING SESSION");
+					
+				}
+
+				@Override
+				public void onSuccess(Boolean result) {
+				
+					//SESSION IS NOT EXPIRED
+					if(!result)
+						initPortlet(rootPanel, instanceWithGrouping, searchingForItemId, searchParameter, itemIdParameter, operationParameter);
+					else{
+						//SESSION IS EXPIRED
+						
+						rootPanel.add(showProblems());
+					}
+						
+				}
+			});
+		}
+		else
+			initPortlet(rootPanel, instanceWithGrouping, searchingForItemId, searchParameter, itemIdParameter, operationParameter);
+			
+
+////		System.out.println("isSearch "+isSearch);
+////		System.out.println("isSearchForItemId "+isSearchForItemId);
+//		
+//		rootPanel.add(wsPortlet.getBorderLayoutContainer());
+//		
+//		//SET TOGGLE BUTTON GRID VIEW
+//		Scheduler.get().scheduleDeferred(new ScheduledCommand() {
+//			
+//			@Override
+//			public void execute() {
+//				wsPortlet.getGxtCardLayoutResultPanel().getToolBarItemFunctionalities().toggleGridViewButton(instanceWithGrouping);
+//			}
+//		});
+//		
+//		//IF IS SEARCH and IS NOT SEARCH FOR ITEM ID - fire event search text
+//		if(searchParameter!=null && !searchParameter.isEmpty() && !isSearchForItemId){
+//				Scheduler.get().scheduleDeferred(new ScheduledCommand() {
+//					@Override
+//					public void execute() {
+//						wsPortlet.getSearchAndFilterContainer().searchText(searchParameter);
+//					}
+//			});
+//		} else if(itemIdParameter!=null && !itemIdParameter.isEmpty()){ //SEARCH FOR ITEM ID
+//			
+//			Scheduler.get().scheduleDeferred(new ScheduledCommand() {
+//				@Override
+//				public void execute() {
+//					AppController.getEventBus().fireEvent(new SearchItemByIdEvent(itemIdParameter, operationParameter));
+//				}
+//			});
+//
+//		}
+	}
+	
+	 private LayoutContainer showProblems() {
+		LayoutContainer errorPanel = new LayoutContainer();
+		errorPanel.setLayout(new FitLayout());
+		 
+		errorPanel.add(new HTML("<div class=\"nofeed-message\">" +
+				"Ops! There were problems while retrieving your workspace!" +
+				"<br> Your session expired, please try to login again <a href=\"\\\">Press here</a> "));
+		
+		return errorPanel;
+	 }
+	
+	private void initPortlet(final HasWidgets rootPanel, final boolean instanceWithGrouping, boolean isSearchForItemId, final String searchParameter, final String itemIdParameter, final String operationParameter){
 		
 		rootPanel.add(wsPortlet.getBorderLayoutContainer());
 		
@@ -865,6 +946,7 @@ public class AppController implements SubscriberInterface {
 			});
 
 		}
+		
 	}
 
 
diff --git a/src/main/webapp/workspaceportlet.css b/src/main/webapp/workspaceportlet.css
index 811270c..e775d10 100644
--- a/src/main/webapp/workspaceportlet.css
+++ b/src/main/webapp/workspaceportlet.css
@@ -1,3 +1,12 @@
+@import url(http://fonts.googleapis.com/css?family=Architects+Daughter);
+
+.nofeed-message {
+	line-height: 40px;
+	font-family: 'Architects Daughter', arial, sans-serif;
+	font-size: 15px;
+	text-align: center;
+}
+
 
 .x-form-text, textarea.x-form-field {
 	-moz-border-radius: 3px !important;