diff --git a/src/main/java/org/gcube/common/authorization/library/enpoints/AuthorizationEndpointScanner.java b/src/main/java/org/gcube/common/authorization/library/enpoints/AuthorizationEndpointScanner.java
index 8c48acc..67c772c 100644
--- a/src/main/java/org/gcube/common/authorization/library/enpoints/AuthorizationEndpointScanner.java
+++ b/src/main/java/org/gcube/common/authorization/library/enpoints/AuthorizationEndpointScanner.java
@@ -1,7 +1,10 @@
 package org.gcube.common.authorization.library.enpoints;
 
+import java.net.URL;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.Map;
+import java.util.Set;
 
 import javax.xml.bind.JAXBContext;
 import javax.xml.bind.Unmarshaller;
@@ -10,6 +13,7 @@ import org.gcube.common.scan.ClasspathScanner;
 import org.gcube.common.scan.ClasspathScannerFactory;
 import org.gcube.common.scan.matchers.NameMatcher;
 import org.gcube.common.scan.resources.ClasspathResource;
+import org.gcube.common.scope.api.ServiceMap;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -30,6 +34,7 @@ public class AuthorizationEndpointScanner {
 	public static synchronized EndpointsContainer endpoints() {
 
 		if (endpoints==null || endpoints.getEndpoints().size()==0){
+			log.trace("starting  authorization endpoint retrieving");
 			Map<Integer, AuthorizationEndpoint> endpointsMap = new HashMap<Integer, AuthorizationEndpoint>();
 			
 			try {
@@ -40,28 +45,32 @@ public class AuthorizationEndpointScanner {
 				String defaultInfrastructure = null;
 				int defaultInfraPriority= Integer.MAX_VALUE;
 				
-				ClasspathScanner scanner = ClasspathScannerFactory.scanner();
-				for (ClasspathResource r : scanner.scan(new NameMatcher(configurationPattern))){
-					AuthorizationEndpoint endpoint = (AuthorizationEndpoint)um.unmarshal(r.stream());
+				for (String r :getEnpointResourceNames()){
+					
+					URL url = Thread.currentThread().getContextClassLoader().getResource(r);
+					
+					
+					AuthorizationEndpoint endpoint = (AuthorizationEndpoint)um.unmarshal(url);
 					if (defaultInfrastructure==null)
 						defaultInfrastructure = endpoint.getInfrastructure();
 					
 					
 					if (!endpointsMap.containsKey(endpoint.getInfrastructure()) 
 							|| endpointsMap.get(endpoint.getInfrastructure()).getPriority()> endpoint.getPriority()){
-						if ((r.name()).startsWith("default") && endpoint.getPriority()<defaultInfraPriority ){
+						if (r.startsWith("default") && endpoint.getPriority()<defaultInfraPriority ){
 							defaultInfrastructure = endpoint.getInfrastructure();
 							defaultInfraPriority = endpoint.getPriority();
 						}
 						endpointsMap.put(endpoint.getInfrastructure().hashCode(), endpoint);
 					}
-					
+										
 					log.info("loaded endpoint {} ",endpoint.toString());
 				}
 				
 				if (endpointsMap.size()==0)
 					throw new Exception("no endpoints retreived");
 				endpoints = new EndpointsContainer(endpointsMap, defaultInfrastructure);
+				log.trace("authorization endpoint retrieving finished");
 			} catch (Exception e) {
 				throw new RuntimeException("could not load authorization endpoints", e);
 			}
@@ -69,5 +78,14 @@ public class AuthorizationEndpointScanner {
 		}
 		return endpoints;
 	}
+	
+	private static Set<String> getEnpointResourceNames() {
+		
+		ClasspathScanner scanner = ClasspathScannerFactory.scanner();
+		Set<String> names = new HashSet<String>();
+		for (ClasspathResource r : scanner.scan(new NameMatcher(configurationPattern)))
+			names.add(r.name());
+		return names;
+	}
 		
 }