diff --git a/src/main/java/org/gcube/portlets/user/databasesmanager/server/GWTdbManagerServiceImpl.java b/src/main/java/org/gcube/portlets/user/databasesmanager/server/GWTdbManagerServiceImpl.java
index dc24b22..5de3706 100644
--- a/src/main/java/org/gcube/portlets/user/databasesmanager/server/GWTdbManagerServiceImpl.java
+++ b/src/main/java/org/gcube/portlets/user/databasesmanager/server/GWTdbManagerServiceImpl.java
@@ -773,9 +773,10 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 			logger.error("dbmanager-> ", e);
 			// TODO Exception Statistical management to remove a
 			// computation
-			if (e.getMessage()
+			if ((e.getMessage()
 					.contains(
-							"javax.xml.ws.soap.SOAPFaultException: java.lang.IndexOutOfBoundsException")) {
+							"javax.xml.ws.soap.SOAPFaultException: java.lang.IndexOutOfBoundsException"))||(e.getMessage()
+									.contains("java.lang.NullPointerException"))) {
 				throw new Exception("ServerException");
 			}
 			if (!(e instanceof StatisticalManagerException)) {