diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/AppControllerExplorer.java b/src/main/java/org/gcube/portlets/user/workspace/client/AppControllerExplorer.java
index 47b6fa9..96f9656 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/AppControllerExplorer.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/AppControllerExplorer.java
@@ -986,75 +986,6 @@ public class AppControllerExplorer implements EventHandler, TreeAppControllerInt
 				uploadStream.center();
 			}
 		});
-		
-		/*
-		eventBus.addHandler(FileUploadSelectedEvent.TYPE, new FileUploadSelectedEventHandler() {
-
-			@Override
-			public void onFileSelected(FileUploadSelectedEvent event) {
-				String fileName = event.getSelectedFileName();
-				GWT.log("selected file name: " + fileName);
-				
-				try {
-					
-					String normalizedFileName = fileName;
-					if (normalizedFileName.contains("\\")) {
-						normalizedFileName = normalizedFileName.substring(normalizedFileName.lastIndexOf("\\")+1); //remove C:\fakepath\ if exists
-					}
-					
-					final String label = normalizedFileName;
-					
-					GWT.log("normalizedFileName file name: "+normalizedFileName);
-					
-					AppControllerExplorer.rpcWorkspaceService.itemExistsInWorkpaceFolder(fileUploader.getFolderParent().getIdentifier(), normalizedFileName, new AsyncCallback<String>() {
-
-						@Override
-						public void onSuccess(final String itemId) {
-
-							if(itemId!=null){
-								boolean result = Window.confirm(label + " exists in folder "+fileUploader.getFolderParent().getName() + ". Overwrite?");
-								if(result){
-									fileUploader.overwrite();
-									fileUploader.submitForm();
-								}
-							}else
-								fileUploader.submitForm(); //ITEM does NOT EXIST SO SUBMIT FORM;
-
-						}
-
-						@Override
-						public void onFailure(Throwable caught) {
-							Info.display("Error", "Sorry an error occurred on the server "+caught.getLocalizedMessage() + ". Please try again later");
-							caught.printStackTrace();
-						}
-
-					});
-
-				} catch (Exception e) {
-					Info.display("Error", "Sorry an error occurred on the server "+e.getLocalizedMessage() + ". Please try again later");
-					e.printStackTrace();
-				}
-
-
-			}
-		});
-
-
-		eventBus.addHandler(FileUploadCompleteEvent.TYPE, new FileUploadCompleteEventHandler() {
-
-			@Override
-			public void onUploadComplete(FileUploadCompleteEvent event) {
-
-				//the filename and its path on server are returned to the client
-				String fileName = event.getUploadedFileInfo().getFilename();
-				String absolutePathOnServer = event.getUploadedFileInfo().getAbsolutePath();
-				GWT.log(fileName + " uploaded on Server here: " + absolutePathOnServer);
-
-				fileUploader.submitServletForm(absolutePathOnServer);
-			}
-		});*/
-		
-
 
 		eventBus.addHandler(CompletedFileUploadEvent.TYPE, new CompletedFileUploadEventHandler() {
 
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 db42504..280e71b 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
@@ -1929,21 +1929,58 @@ public class GWTWorkspaceServiceImpl extends RemoteServiceServlet implements GWT
 		workspaceLogger.debug("get List Parents By Item Identifier "+ itemIdentifier +", include Item As (Last) Parent: "+includeItemAsParent);
 		
 		if(itemIdentifier==null)
-			return new ArrayList<FileModel>();
+			return new ArrayList<FileModel>(); //empty list
 		
 		try {
 			
 			Workspace workspace = getWorkspace();
 			GWTWorkspaceBuilder builder = getGWTWorkspaceBuilder();
 			List<WorkspaceItem> parents = workspace.getParentsById(itemIdentifier);	
-			WorkspaceItem lastItem =  parents.get(parents.size()-1);
+			workspaceLogger.debug("parents returned by HL, size: "+ parents.size());
 			String nameSpecialFolder = getNameForSpecialFolder();
 			
+			switch (parents.size()) {
+			case 0: // itemIdentifier is ROOT
+				workspaceLogger.trace("itemIdentifier isRoot...");
+				if (includeItemAsParent) { //ADDIND ROOT
+					WorkspaceFolder wsFolder =(WorkspaceFolder) workspace.getItem(itemIdentifier);
+					FolderModel root = builder.buildGXTFolderModelItemHandleSpecialFolder(wsFolder, null, nameSpecialFolder);
+					List<FileModel> listParents = new ArrayList<FileModel>(1);
+					listParents.add(root);
+//					workspaceLogger.trace("returning: "+listParents.toString());
+					return listParents;
+				}
+				else{
+					workspaceLogger.trace("returning empty list");
+					return new ArrayList<FileModel>(); // empty list
+				}
+				
+			case 1: //itemIdentifier is first level from root
+				workspaceLogger.trace("itemIdentifier is first level...");
+				List<FileModel> listParents = new ArrayList<FileModel>();
+				WorkspaceFolder wsRootFolder = (WorkspaceFolder) parents.get(0); //isRoot
+				FolderModel root = builder.buildGXTFolderModelItemHandleSpecialFolder(wsRootFolder, null, nameSpecialFolder);
+				FolderModel parent = null;
+				if(includeItemAsParent){
+					WorkspaceFolder wsFolder1 =(WorkspaceFolder) workspace.getItem(itemIdentifier); //root
+					parent =builder.buildGXTFolderModelItemHandleSpecialFolder(wsFolder1, null, nameSpecialFolder);
+				}	
+				listParents.add(root);
+				if(parent!=null)
+					listParents.add(parent);
+//				workspaceLogger.trace("returning: "+listParents.toString());
+				return listParents;
+				
+			default:
+				break;
+			}
+			
+			WorkspaceItem lastItem =  parents.get(parents.size()-1);
 			FileModel[] arrayParents;
 			
 			//CONVERTING LAST ELEMENT IF NECESSARY
 			workspaceLogger.trace("converting last element..");
-			if(includeItemAsParent==true && lastItem.isFolder()){ //FIX BUG #298
+			if(includeItemAsParent && lastItem.isFolder()){ //FIX BUG #298
 				arrayParents = new FileModel[parents.size()];
 				workspaceLogger.debug("including last item into path: "+lastItem.getName());
 				arrayParents[parents.size()-1] = builder.buildGXTFolderModelItemHandleSpecialFolder((WorkspaceFolder) lastItem, null, nameSpecialFolder);
@@ -1956,21 +1993,16 @@ public class GWTWorkspaceServiceImpl extends RemoteServiceServlet implements GWT
 				WorkspaceFolder wsFolder = (WorkspaceFolder) parents.get(i);
 				arrayParents[i] = builder.buildGXTFolderModelItemHandleSpecialFolder(wsFolder, null, nameSpecialFolder);
 			}
-
-//			Collections.reverse(listParents);
-
+			
 			//SET PARENTS
 			workspaceLogger.trace("setting parents..");
 			for(int i=0; i<arrayParents.length-1; i++){
-				
 				FileModel parent = arrayParents[i];
 				FileModel fileModel = arrayParents[i+1];
 				fileModel.setParentFileModel(parent);
 			}
-
 //			workspaceLogger.trace("list parents returning size: "+arrayParents.length);
 //			return new ArrayList<FileModel>(Arrays.asList(arrayParents));
-			
 			workspaceLogger.trace("list parents returning size: "+arrayParents.length);
 			if(arrayParents[0]==null){ //EXIT BY BREAK IN CASE OF SPECIAL FOLDER
 				List<FileModel> breadcrumbs = new ArrayList<FileModel>(arrayParents.length-1);