diff --git a/src/main/java/org/gcube/portlets/user/td/csvimportwidget/client/progress/CSVImportProgressUpdater.java b/src/main/java/org/gcube/portlets/user/td/csvimportwidget/client/progress/CSVImportProgressUpdater.java
index a3e058d..7c7dcee 100644
--- a/src/main/java/org/gcube/portlets/user/td/csvimportwidget/client/progress/CSVImportProgressUpdater.java
+++ b/src/main/java/org/gcube/portlets/user/td/csvimportwidget/client/progress/CSVImportProgressUpdater.java
@@ -9,125 +9,136 @@ import org.gcube.portlets.user.td.gwtservice.client.rpc.TDGWTServiceAsync;
 import org.gcube.portlets.user.td.gwtservice.shared.TRId;
 import org.gcube.portlets.user.td.gwtservice.shared.csv.CSVImportMonitor;
 
-
 import com.allen_sauer.gwt.log.client.Log;
 import com.google.gwt.user.client.Timer;
 import com.google.gwt.user.client.rpc.AsyncCallback;
 
 /**
- * This {@link Timer} retrieves {@link OperationProgress} from the specified {@link OperationProgressSource} with the scheduled interval.
- * The retrieved information are spread to the subscribed {@link CSVImportProgressListener}.
+ * This {@link Timer} retrieves {@link OperationProgress} from the specified
+ * {@link OperationProgressSource} with the scheduled interval. The retrieved
+ * information are spread to the subscribed {@link CSVImportProgressListener}.
+ * 
+ * @author "Giancarlo Panichi" <a
+ *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
  * 
- * @author "Giancarlo Panichi" 
- * <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a> 
- *
  */
 public class CSVImportProgressUpdater extends Timer {
 
 	protected ArrayList<CSVImportProgressListener> listeners = new ArrayList<CSVImportProgressListener>();
 
-	
 	/**
 	 * {@inheritDoc}
 	 */
 	@Override
 	public void run() {
 		Log.debug("requesting operation progress");
-		TDGWTServiceAsync.INSTANCE.getCSVImportMonitor(new AsyncCallback<CSVImportMonitor>() {
+		TDGWTServiceAsync.INSTANCE
+				.getCSVImportMonitor(new AsyncCallback<CSVImportMonitor>() {
+
+					@Override
+					public void onFailure(Throwable caught) {
+						cancel();
+						Log.error("Error retrieving the operation state",
+								caught);
+						String message = getStack(caught);
+						fireOperationFailed(caught,
+								"Failed getting operation updates", message);
+					}
+
+					@Override
+					public void onSuccess(CSVImportMonitor result) {
+						Log.info("retrieved CSVImportMonitor: "
+								+ result.getStatus());
+						switch (result.getStatus()) {
+						case INITIALIZING:
+							Log.info("CSV Import Initializing...");
+							fireOperationInitializing();
+							break;
+						case ABORTED:
+							cancel();
+							Log.info("CSV Import Operation Aborted");
+							break;
+						case IN_PROGRESS:
+							fireOperationUpdate(result.getProgress());
+							break;
+						case FAILED:
+							cancel();
+							Log.info("CSV Import Failed");
+							if (result.getError() != null) {
+								fireOperationFailed(result.getError(),
+										"Failed Client Library Import", result
+												.getError()
+												.getLocalizedMessage());
+							} else {
+								fireOperationFailed(new Throwable("Failed"),
+										"Failed Client Library Import", "CSV Import failed");
+							}
+							break;
+						case SUCCEDED:
+							cancel();
+							Log.info("Import fisnish TableId :"
+									+ result.getTrId());
+							fireOperationComplete(result.getTrId());
+							break;
+
+						default:
+							break;
+						}
+
+					}
+
+				});
 
-			@Override
-			public void onFailure(Throwable caught) {
-				cancel();
-				Log.error("Error retrieving the operation state", caught);
-				String message = getStack(caught);
-				fireOperationFailed(caught, "Failed getting operation updates", message);
-			}
-			
-			@Override
-			public void onSuccess(CSVImportMonitor result) {
-				Log.info("retrieved CSVImportMonitor: "+result.getStatus());
-				switch (result.getStatus()) {
-				case INITIALIZING:
-					Log.info("CSV Import Initializing...");
-					fireOperationInitializing();
-					break;
-				case ABORTED:
-					cancel();
-					Log.info("CSV Import Operation Aborted");
-					break;
-				case IN_PROGRESS:
-					fireOperationUpdate(result.getProgress());
-					break;
-				case FAILED:
-					cancel();
-					Log.info("CSV Import Failed");
-					fireOperationFailed(result.getError() ,"Failed Client Library Import", result.getError().getLocalizedMessage()); 
-					break;
-				case SUCCEDED:
-					cancel();
-					Log.info("Import fisnish TableId :"+result.getTrId());
-					fireOperationComplete(result.getTrId()); 
-					break;
-				
-				default:
-					break;
-				}
-				
-			}
-			
-			
-			
-			
-		
-		});
-		
-		
-		
 	}
-	
-	protected String getStack(Throwable e)
-	{
-		String message = e.getLocalizedMessage()+" -> <br>";
+
+	protected String getStack(Throwable e) {
+		String message = e.getLocalizedMessage() + " -> <br>";
 		Throwable c = e.getCause();
-		if (c!=null) message += getStack(c);
+		if (c != null)
+			message += getStack(c);
 		return message;
 	}
 
-	protected void fireOperationInitializing()
-	{
-		for (CSVImportProgressListener listener:listeners) listener.operationInitializing();
-	}
-	
-	protected void fireOperationUpdate(float elaborated)
-	{
-		for (CSVImportProgressListener listener:listeners) listener.operationUpdate(elaborated);
+	protected void fireOperationInitializing() {
+		for (CSVImportProgressListener listener : listeners)
+			listener.operationInitializing();
 	}
 
-	protected void fireOperationComplete(TRId trId)
-	{
-		for (CSVImportProgressListener listener:listeners) listener.operationComplete(trId);
+	protected void fireOperationUpdate(float elaborated) {
+		for (CSVImportProgressListener listener : listeners)
+			listener.operationUpdate(elaborated);
 	}
-	
-	protected void fireOperationFailed(Throwable caught, String failure, String failureDetails)
-	{
-		for (CSVImportProgressListener listener:listeners) listener.operationFailed(caught, failure, failureDetails);
+
+	protected void fireOperationComplete(TRId trId) {
+		for (CSVImportProgressListener listener : listeners)
+			listener.operationComplete(trId);
 	}
-	
+
+	protected void fireOperationFailed(Throwable caught, String failure,
+			String failureDetails) {
+		for (CSVImportProgressListener listener : listeners)
+			listener.operationFailed(caught, failure, failureDetails);
+	}
+
 	/**
-	 * Add a new {@link CSVImportProgressListener} to this {@link CSVImportProgressUpdater}.
-	 * @param listener the listener to add.
+	 * Add a new {@link CSVImportProgressListener} to this
+	 * {@link CSVImportProgressUpdater}.
+	 * 
+	 * @param listener
+	 *            the listener to add.
 	 */
-	public void addListener(CSVImportProgressListener listener)
-	{
+	public void addListener(CSVImportProgressListener listener) {
 		listeners.add(listener);
 	}
 
 	/**
-	 * Removes the specified {@link CSVImportProgressListener} from this {@link CSVImportProgressUpdater}.
-	 * @param listener the listener to remove.
+	 * Removes the specified {@link CSVImportProgressListener} from this
+	 * {@link CSVImportProgressUpdater}.
+	 * 
+	 * @param listener
+	 *            the listener to remove.
 	 */
-	public void removeListener(CSVImportProgressListener listener)
-	{
+	public void removeListener(CSVImportProgressListener listener) {
 		listeners.remove(listener);
 	}
 }