diff --git a/src/main/java/org/gcube/dataanalysis/wps/statisticalmanager/synchserver/utils/GML2CSV.java b/src/main/java/org/gcube/dataanalysis/wps/statisticalmanager/synchserver/utils/GML2CSV.java
index ec122b8..57ac420 100644
--- a/src/main/java/org/gcube/dataanalysis/wps/statisticalmanager/synchserver/utils/GML2CSV.java
+++ b/src/main/java/org/gcube/dataanalysis/wps/statisticalmanager/synchserver/utils/GML2CSV.java
@@ -12,12 +12,15 @@ import javax.xml.parsers.SAXParser;
 import javax.xml.parsers.SAXParserFactory;
 
 import org.apache.commons.lang.StringEscapeUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.xml.sax.Attributes;
 import org.xml.sax.SAXException;
 import org.xml.sax.helpers.DefaultHandler;
 
 public class GML2CSV {
 
+	private static final Logger LOGGER = LoggerFactory.getLogger(GML2CSV.class); 
 
 	public static void convertHTMLToXML(String gmlhtmlFile,String gmlxmlFile) throws Exception{
 		BufferedWriter filew = new BufferedWriter(new FileWriter(new File(gmlxmlFile))); 
@@ -96,7 +99,7 @@ public class GML2CSV {
 									row = new ArrayList<String>();
 								}
 							} catch (IOException e) {
-								e.printStackTrace();
+								
 							}
 						}
 						tagcounter--;
@@ -117,7 +120,7 @@ public class GML2CSV {
 			saxParser.parse(gmlFile, handler);
 			filew.close();
 		} catch (Exception e) {
-			e.printStackTrace();
+			LOGGER.error("error parsing GML ",e);
 		}
 	}