diff --git a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/batch/ReplaceBatchDialog.java b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/batch/ReplaceBatchDialog.java
index c4b916d..0c8f1a6 100644
--- a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/batch/ReplaceBatchDialog.java
+++ b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/batch/ReplaceBatchDialog.java
@@ -47,16 +47,16 @@ public class ReplaceBatchDialog extends Window implements MonitorDialogListener
 		REPLACEBATH, RESUME;
 	}
 
-	protected String WIDTH = "650px";
-	protected String HEIGHT = "530px";
-	protected TRId trId;
-	protected String columnName = null;
-	protected RequestProperties requestProperties;
-	protected EventBus eventBus;
-	protected String taskIdOfInvocationS;
-	protected CALLTYPE callType;
+	private static final String WIDTH = "650px";
+	private static final String HEIGHT = "530px";
+	private TRId trId;
+	
+	private EventBus eventBus;
+	private String taskIdOfInvocationS;
+	private CALLTYPE callType;
 	private InvocationS invocationS;
 	private ConditionCode conditionCode; // For Curation
+	
 
 	/**
 	 * 
@@ -64,14 +64,13 @@ public class ReplaceBatchDialog extends Window implements MonitorDialogListener
 	 * @param columnName
 	 * @param eventBus
 	 */
-	public ReplaceBatchDialog(TRId trId, String columnName, EventBus eventBus) {
+	public ReplaceBatchDialog(TRId trId, String columnLocalId, EventBus eventBus) {
 		this.trId = trId;
-		this.columnName = columnName;
 		this.eventBus = eventBus;
 		taskIdOfInvocationS = null;
 		initWindow();
 		ReplaceBatchPanel batchRepalcePanel = new ReplaceBatchPanel(this, trId,
-				columnName, eventBus);
+				columnLocalId, eventBus);
 		add(batchRepalcePanel);
 	}
 
@@ -86,7 +85,6 @@ public class ReplaceBatchDialog extends Window implements MonitorDialogListener
 		Log.debug("ReplaceBatchDialog: " + trId + ", RequestProperties:"
 				+ requestProperties);
 		this.trId = trId;
-		this.requestProperties = requestProperties;
 		this.eventBus = eventBus;
 
 		invocationS = (InvocationS) requestProperties.getMap().get(
diff --git a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/batch/ReplaceBatchPanel.java b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/batch/ReplaceBatchPanel.java
index fce1545..812ceb9 100644
--- a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/batch/ReplaceBatchPanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/batch/ReplaceBatchPanel.java
@@ -96,31 +96,29 @@ import com.sencha.gxt.widget.core.client.toolbar.ToolBar;
 public class ReplaceBatchPanel extends FramedPanel implements
 		SingleValueReplaceListener, DimensionRowSelectionListener,
 		ConnectCodelistListener {
-	protected String WIDTH = "560px";
-	protected String HEIGHT = "520px";
-	protected EventBus eventBus;
-	protected TextField label = null;
-	protected TRId trId;
-	protected String columnName;
+	private static final String DON_T_REPLACE = "Don't replace";
+	private static final String WIDTH = "560px";
+	private static final String HEIGHT = "520px";
+	
+	private EventBus eventBus;
+	private TRId trId;
+	
+	private RefColumn refColumn;
+	private String columnLocalId;
+	private ConditionCode conditionCode; // For Curation
+	private String validationColumnColumnId; // For Curation
+	
+	private boolean curation;
+	private ColumnData column;
+	private boolean hasValidationColumns;
+	private ShowOccurrencesType showOccurencesType;
+	private ColumnData connection;
 
-	protected RefColumn refColumn;
-	protected String columnId;
-	protected ConditionCode conditionCode; // For Curation
-	protected String validationColumnColumnId; // For Curation
-	protected RequestProperties requestProperties;
-	protected boolean curation;
-	protected ColumnData column;
-	protected boolean hasValidationColumns;
-	protected ShowOccurrencesType showOccurencesType;
-	protected ColumnData connection;
-
-	protected ReplaceBatchDialog parent;
+	private ReplaceBatchDialog parent;
 
 	private ReplaceEntry currentReplaceEntry;
 	private int currentRowIndex;
 
-	protected static final String DON_T_REPLACE = "Don't replace";
-
 	private TextButton btnSave;
 	private TextButton btnClose;
 
@@ -133,10 +131,10 @@ public class ReplaceBatchPanel extends FramedPanel implements
 	private TextButton btnDisconnect;
 	private TextField connectionField;
 
-	protected ListLoader<ListLoadConfig, ListLoadResult<ReplaceEntry>> loader;
-	protected Grid<ReplaceEntry> grid;
-	protected ListStore<ReplaceEntry> store;
-	protected HTML info;
+	private ListLoader<ListLoadConfig, ListLoadResult<ReplaceEntry>> loader;
+	private Grid<ReplaceEntry> grid;
+	private ListStore<ReplaceEntry> store;
+	private HTML info;
 
 	private boolean simpleReplace;
 
@@ -145,13 +143,12 @@ public class ReplaceBatchPanel extends FramedPanel implements
 		this.curation = true;
 		this.parent = parent;
 		this.trId = trId;
-		this.requestProperties = requestProperties;
 		this.eventBus = eventBus;
 
 		InvocationS invocationS = (InvocationS) requestProperties.getMap().get(
 				RequestPropertiesParameterType.InvocationS);
 
-		columnId = invocationS.getColumnId();
+		columnLocalId = invocationS.getColumnId();
 
 		refColumn = invocationS.getRefColumn();
 
@@ -170,11 +167,11 @@ public class ReplaceBatchPanel extends FramedPanel implements
 	}
 
 	public ReplaceBatchPanel(ReplaceBatchDialog parent, TRId trId,
-			String columnName, EventBus eventBus) {
+			String columnLocalId, EventBus eventBus) {
 		this.curation = false;
 		this.parent = parent;
 		this.trId = trId;
-		this.columnName = columnName;
+		this.columnLocalId = columnLocalId;
 		this.eventBus = eventBus;
 		this.conditionCode = null;
 		this.validationColumnColumnId = null;
@@ -182,9 +179,9 @@ public class ReplaceBatchPanel extends FramedPanel implements
 		connection = null;
 		hasValidationColumns = false;
 		Log.debug("Create BatchReplacePanel(): [" + trId.toString()
-				+ " , columnName:" + columnName + "]");
+				+ " , columnLocalId:" + columnLocalId + "]");
 		init();
-		retrieveColumn();
+		retrieveColumnByColumnId();
 
 	}
 
@@ -492,47 +489,12 @@ public class ReplaceBatchPanel extends FramedPanel implements
 
 	}
 
-	protected void retrieveColumn() {
-		TDGWTServiceAsync.INSTANCE.getColumn(trId, columnName,
-				new AsyncCallback<ColumnData>() {
 
-					public void onFailure(Throwable caught) {
-						if (caught instanceof TDGWTSessionExpiredException) {
-							eventBus.fireEvent(new SessionExpiredEvent(
-									SessionExpiredType.EXPIREDONSERVER));
-						} else {
-							if (caught instanceof TDGWTIsLockedException) {
-								Log.error(caught.getLocalizedMessage());
-								UtilsGXT3.alert("Error Locked",
-										caught.getLocalizedMessage());
-							} else {
-								if (caught instanceof TDGWTIsFinalException) {
-									Log.error(caught.getLocalizedMessage());
-									UtilsGXT3.alert("Error Final",
-											caught.getLocalizedMessage());
-								} else {
-									Log.error("load column failure:"
-											+ caught.getLocalizedMessage());
-									UtilsGXT3.alert("Error retrieving column",
-											"Error retrieving column");
-								}
-							}
-						}
-					}
-
-					public void onSuccess(ColumnData result) {
-						Log.debug("Column: " + result);
-						column = result;
-						retriveValidationColumn();
-					}
-
-				});
-	}
 
 	protected void retrieveColumnByColumnId() {
-		Log.debug("Retrieve Column by ColumnId: columnId:" + columnId
+		Log.debug("Retrieve Column by ColumnId: columnLocalId:" + columnLocalId
 				+ ", trId:" + trId);
-		TDGWTServiceAsync.INSTANCE.getColumn(columnId, trId,
+		TDGWTServiceAsync.INSTANCE.getColumn(columnLocalId, trId,
 				new AsyncCallback<ColumnData>() {
 
 					public void onFailure(Throwable caught) {
@@ -562,7 +524,6 @@ public class ReplaceBatchPanel extends FramedPanel implements
 					public void onSuccess(ColumnData result) {
 						Log.debug("Column: " + result);
 						column = result;
-						columnName = result.getName();
 						retriveValidationColumn();
 					}
 
@@ -570,7 +531,7 @@ public class ReplaceBatchPanel extends FramedPanel implements
 	}
 
 	protected void retriveValidationColumn() {
-		TDGWTServiceAsync.INSTANCE.getValidationColumns(trId, columnName,
+		TDGWTServiceAsync.INSTANCE.getValidationColumns(columnLocalId,trId,
 				new AsyncCallback<ArrayList<ColumnData>>() {
 
 					public void onFailure(Throwable caught) {