diff --git a/src/main/java/org/gcube/portlets/widgets/wsexplorer/server/WorkspaceExplorerServiceImpl.java b/src/main/java/org/gcube/portlets/widgets/wsexplorer/server/WorkspaceExplorerServiceImpl.java
index 82ef293..3184394 100644
--- a/src/main/java/org/gcube/portlets/widgets/wsexplorer/server/WorkspaceExplorerServiceImpl.java
+++ b/src/main/java/org/gcube/portlets/widgets/wsexplorer/server/WorkspaceExplorerServiceImpl.java
@@ -327,19 +327,13 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 	@Override
 	public Long getSizeByItemId(String itemId) throws Exception {
 		_log.debug("get Size By ItemId "+ itemId);
-		try {
-			Item wsItem = StorageHubServiceUtil.getItem(getThreadLocalRequest(), itemId);
-			_log.trace("workspace retrieve item name: "+wsItem.getName());
-			if((wsItem instanceof FolderItem)) //if is a folder no mime
-				return null;
+		Item wsItem = StorageHubServiceUtil.getItem(getThreadLocalRequest(), itemId);
+		_log.trace("workspace retrieved item name: "+wsItem.getName());
+		if((wsItem instanceof FolderItem)) //if is a folder no Size
+			return 0L;
 
-			AbstractFileItem file = (AbstractFileItem) wsItem;
-			return file.getContent().getSize();
-
-		} catch (Exception e) {
-			_log.error("get MimeType By ItemId ", e);
-			throw new Exception(e.getMessage());
-		}
+		AbstractFileItem file = (AbstractFileItem) wsItem;
+		return file.getContent().getSize();
 	}
 
 	/* (non-Javadoc)
@@ -355,19 +349,12 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 	@Override
 	public String getMimeType(String itemId) throws Exception {
 		_log.debug("get MimeType By ItemId "+ itemId);
-		try {
-			Item wsItem = StorageHubServiceUtil.getItem(getThreadLocalRequest(), itemId);
-			_log.trace("workspace retrieve item name: "+wsItem.getName());
-			if((wsItem instanceof FolderItem)) //if is a folder no mime
-				return null;
-
-			AbstractFileItem file = (AbstractFileItem) wsItem;
-			return file.getContent().getMimeType();
-
-		} catch (Exception e) {
-			_log.error("get MimeType By ItemId ", e);
-			throw new Exception(e.getMessage());
-		}
+		Item wsItem = StorageHubServiceUtil.getItem(getThreadLocalRequest(), itemId);
+		_log.trace("workspace retrieved item name: "+wsItem.getName());
+		if((wsItem instanceof FolderItem)) //if is a folder no mime
+			return null;
+		AbstractFileItem file = (AbstractFileItem) wsItem;
+		return file.getContent().getMimeType();
 	}
 
 
@@ -434,14 +421,14 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 			_log.info("Path returned by StoHub: "+createdFolder.getPath());
 			List<ItemType> allTypes = Arrays.asList(ItemType.values());
 			return ItemBuilder.getItem(null, createdFolder, createdFolder.getPath(), allTypes, null, false, false);
-//		} catch(InsufficientPrivilegesException e){
-//			String error = "Insufficient Privileges to create the folder";
-//			_log.error(error, e);
-//			throw new Exception(error);
-//		} catch (ItemAlreadyExistException e) {
-//			String error = "An error occurred on creating folder, "  +e.getMessage();
-//			_log.error(error, e);
-//			throw new Exception(error);
+			//		} catch(InsufficientPrivilegesException e){
+			//			String error = "Insufficient Privileges to create the folder";
+			//			_log.error(error, e);
+			//			throw new Exception(error);
+			//		} catch (ItemAlreadyExistException e) {
+			//			String error = "An error occurred on creating folder, "  +e.getMessage();
+			//			_log.error(error, e);
+			//			throw new Exception(error);
 		} catch (Exception e) {
 			String error = "An error occurred on the sever during creating folder. Try again";
 			_log.error(error, e);
@@ -465,14 +452,14 @@ public class WorkspaceExplorerServiceImpl extends RemoteServiceServlet implement
 	public Map<String, String> getGcubePropertiesForWorspaceId(String itemId) throws Exception {
 		_log.trace("getGcubePropertiesForWorspaceId "+itemId);
 		try {
-            StorageHubClient shc = new StorageHubClient();
-            Item item = shc.open(itemId).asItem().get();
-            return ItemBuilder.getGcubePropertiesForItem(item);
-            
-        } catch (Throwable e) {
-            _log.error(e.getLocalizedMessage(), e);
-        	return new HashMap<String, String>();
-        }
+			StorageHubClient shc = new StorageHubClient();
+			Item item = shc.open(itemId).asItem().get();
+			return ItemBuilder.getGcubePropertiesForItem(item);
+
+		} catch (Throwable e) {
+			_log.error(e.getLocalizedMessage(), e);
+			return new HashMap<String, String>();
+		}
 	}
 
 	/* (non-Javadoc)