diff --git a/src/main/java/org/gcube/portlets/user/workspace/server/GWTWorkspaceServiceImpl.java b/src/main/java/org/gcube/portlets/user/workspace/server/GWTWorkspaceServiceImpl.java
index 5f18740..63ce180 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/server/GWTWorkspaceServiceImpl.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/server/GWTWorkspaceServiceImpl.java
@@ -1968,7 +1968,6 @@ public class GWTWorkspaceServiceImpl extends RemoteServiceServlet implements GWT
 
 			Workspace workspace = getWorkspace();
 			
-			//TODO TRACE
 			workspaceLogger.info("shareFolder "+ folder.getIdentifier() 
 					+ " name: "+ folder.getName() 
 					+ " parent is: " + folder.getParentFileModel()
@@ -3048,7 +3047,7 @@ public class GWTWorkspaceServiceImpl extends RemoteServiceServlet implements GWT
 			WorkspaceItem item = workspace.getItem(folderId);
 			workspaceLogger.info("Adding administator/s to folder: "+folderId);
 			
-			if(item.getType().equals(WorkspaceItemType.SHARED_FOLDER)){
+			if(item!=null && item.getType().equals(WorkspaceItemType.SHARED_FOLDER)){
 				WorkspaceSharedFolder sharedFolder = (WorkspaceSharedFolder) item;
 				for (String login : listContactLogins) {
 					workspaceLogger.info("Setting administator: "+login);
@@ -3057,7 +3056,7 @@ public class GWTWorkspaceServiceImpl extends RemoteServiceServlet implements GWT
 				return true;
 				
 			}else
-				throw new Exception("The item is not instanceof "+WorkspaceItemType.SHARED_FOLDER);
+				throw new Exception("The item is null or not instanceof "+WorkspaceItemType.SHARED_FOLDER);
 			
 		} catch (Exception e) {
 			workspaceLogger.error("Error in server addAdministratorsByFolderId: "+e.getMessage());
@@ -3067,5 +3066,46 @@ public class GWTWorkspaceServiceImpl extends RemoteServiceServlet implements GWT
 		}
 		
 	}
+
+	/* (non-Javadoc)
+	 * @see org.gcube.portlets.user.workspace.client.rpc.GWTWorkspaceService#getAdministratorsByFolderId(java.lang.String)
+	 */
+	@Override
+	public List<InfoContactModel> getAdministratorsByFolderId(String folderId) throws Exception {
+		List<InfoContactModel> admins = new ArrayList<InfoContactModel>();
+		
+		if(folderId==null)
+			return admins;
+		try {
+			
+			Workspace workspace = getWorkspace();
+			WorkspaceItem item = workspace.getItem(folderId);
+			workspaceLogger.info("Adding administator/s to folder: "+folderId);
+			
+			if(item!=null && item.getType().equals(WorkspaceItemType.SHARED_FOLDER)){
+				WorkspaceSharedFolder sharedFolder = (WorkspaceSharedFolder) item;
+			
+				//TODO GET ADMINISTRATORS FROM HL
+				//FAKE
+//				admins.add(new InfoContactModel("francesco.mangiacrapa","francesco.mangiacrapa", "Francesco Mangiacrapa", false));
+				/*
+				for (String login : listContactLogins) {
+					workspaceLogger.info("Setting administator: "+login);
+					sharedFolder.setAdmin(login);
+				}
+				return true;
+				
+				*/
+				return admins;
+			}else
+				throw new Exception("The item is null or not instanceof "+WorkspaceItemType.SHARED_FOLDER);
+			
+		} catch (Exception e) {
+			workspaceLogger.error("Error in server getAdministratorsByFolderId: "+e.getMessage());
+			workspaceLogger.error(e);
+			String error = ConstantsExplorer.SERVER_ERROR +" getting Administrators";
+			throw new Exception(error);
+		}
+	}
 	
 }