--- a/src/main/java/org/mpi/openmind/cache/WrapperService.java	Thu Oct 20 14:04:36 2016 +0200
+++ b/src/main/java/org/mpi/openmind/cache/WrapperService.java	Thu Oct 20 14:06:10 2016 +0200
@@ -35,7 +35,9 @@
 
 	private static Logger logger = Logger.getLogger(WrapperService.class);
 
-	private transient CacheService cache;
+    private static Logger txLog = Logger.getLogger(PersistenceService.TRANSACTION_LOGGER);
+
+    private transient CacheService cache;
 
 	public long getSourceRelationsCount(Entity entity, String relationName,
 			String tarObjClass) {
@@ -599,10 +601,15 @@
 		entity.resetId();
 		entity.setType(Node.TYPE_ABOX);
 		entity.setUser(user);
-
+		
+		txLog.debug("** START save entity as new: user="+user+" entity="+entity.toSmallString());
+		// save in database
 		this.getPS().saveEntity(entity);
+		// save in cache
 		cache.saveEntity(entity);
-		logger.info("[U=" + user + "] SaveEntityAsNew - execution time[ms]: " + (System.currentTimeMillis() - start));
+        txLog.debug("** END save entity as new: user="+user+" entity="+entity.toSmallString());
+		
+		logger.debug("[U=" + user + "] SaveEntityAsNew - execution time[ms]: " + (System.currentTimeMillis() - start));
 		return (Entity) entity.clone();
 	}
 
@@ -626,10 +633,15 @@
 		entity = removeWrongRelations(entity);
 		entity = removeEmptyAttributes(entity);
 
+		txLog.debug("** START save entity: user="+user+" entity="+entity.toSmallString());
+		// save in database
 		this.getPS().saveEntity(entity);
+		// save in cache
 		cache.saveEntity(entity);
+		txLog.debug("** END save entity: user="+user+" entity="+entity.toSmallString());
+	
 		System.gc();
-		logger.info("[U=" + user + "] SaveEntity - execution time[ms]: " + (System.currentTimeMillis() - start));
+		logger.debug("[U=" + user + "] SaveEntity - execution time[ms]: " + (System.currentTimeMillis() - start));
 		Entity clone = (Entity) entity.clone();
 		// logger.info(clone.toString());
 		return clone;
@@ -646,11 +658,13 @@
 			entity = removeWrongRelations(entity);
 			entity = removeEmptyAttributes(entity);
 		}
+        txLog.debug("** START save entity list: user="+user+" list="+list);
 		this.getPS().saveEntityList(list);
 		for(Entity entity : list){
 			cache.saveEntity(entity);
 		}
-		logger.info("[U=" + user + "] SaveEntityList - execution time[ms]: " + (System.currentTimeMillis() - start));
+        txLog.debug("** END save entity list: user="+user+" list="+list);
+		logger.debug("[U=" + user + "] SaveEntityList - execution time[ms]: " + (System.currentTimeMillis() - start));
 	}
 	
 	private Entity removeEmptyAttributes(Entity ent){