diff --git a/src/main/java/org/gcube/common/authorization/client/proxy/DefaultAuthorizationProxy.java b/src/main/java/org/gcube/common/authorization/client/proxy/DefaultAuthorizationProxy.java
index a5d4ac2..32e8453 100644
--- a/src/main/java/org/gcube/common/authorization/client/proxy/DefaultAuthorizationProxy.java
+++ b/src/main/java/org/gcube/common/authorization/client/proxy/DefaultAuthorizationProxy.java
@@ -46,6 +46,7 @@ public class DefaultAuthorizationProxy implements AuthorizationProxy {
 				String callUrl = endpoint+"/generate/"+userName+"?roles="+rolesQueryString.toString();
 				URL url = new URL(callUrl);
 				HttpURLConnection connection = makeRequest(url, "POST");
+				if (connection.getResponseCode()!=200) throw new Exception("error contacting authorization service");
 				try(BufferedReader reader = new BufferedReader(new InputStreamReader((InputStream)connection.getContent()));){
 					StringBuilder result = new StringBuilder();
 					String line;
@@ -69,8 +70,10 @@ public class DefaultAuthorizationProxy implements AuthorizationProxy {
 			@Override
 			public AuthorizationEntry call(String endpoint) throws Exception {
 
+				System.out.println("calling get to "+endpoint);
 				URL url = new URL(endpoint+"/retrieve/"+token);
 				HttpURLConnection connection = makeRequest(url, "GET");
+				if (connection.getResponseCode()!=200) throw new Exception("error contacting authorization service");
 				if (connection.getContentLengthLong()<=0) return null;
 
 				try(InputStream stream = (InputStream)connection.getContent();){
@@ -81,8 +84,8 @@ public class DefaultAuthorizationProxy implements AuthorizationProxy {
 
 			}
 		};
-		if (cache.containsKey(token) && cache.get(token).isValid())
-			return cache.get(token).getEntry();
+		/*if (cache.containsKey(token) && cache.get(token).isValid())
+			return cache.get(token).getEntry();*/
 		try {
 			return delegate.make(call);
 		} catch (Exception e) {
@@ -98,6 +101,7 @@ public class DefaultAuthorizationProxy implements AuthorizationProxy {
 				URL url = new URL(endpoint+"/deny/"+userName+"/"+service.getServiceClass()+"/"+service.getServiceName());
 				HttpURLConnection connection = makeRequest(url, "POST");
 
+				if (connection.getResponseCode()!=200) throw new Exception("error contacting authorization service");
 				if (connection.getContentLengthLong()<=0) return null;
 
 				try(InputStream stream = (InputStream)connection.getContent();){
@@ -122,7 +126,7 @@ public class DefaultAuthorizationProxy implements AuthorizationProxy {
 			public Empty call(String endpoint) throws Exception {
 				URL url = new URL(endpoint+"/deny/"+userName+"/"+service.getServiceClass()+"/"+service.getServiceName());
 				HttpURLConnection connection = makeRequest(url, "DELETE");
-				System.out.println("response status "+connection.getResponseCode());
+				if (connection.getResponseCode()!=200) throw new Exception("error contacting authorization service");
 				return new Empty();
 
 			}
@@ -145,6 +149,7 @@ public class DefaultAuthorizationProxy implements AuthorizationProxy {
 				URL url = new URL(endpoint+"/deny/"+userName);
 
 				HttpURLConnection connection = makeRequest(url, "GET");
+				if (connection.getResponseCode()!=200) throw new Exception("error contacting authorization service");
 				if (connection.getContentLengthLong()<=0) return Collections.emptyList();
 
 				try(InputStream stream = (InputStream)connection.getContent();){
diff --git a/src/test/java/org/gcube/common/authorizationservice/cl/CallTest.java b/src/test/java/org/gcube/common/authorizationservice/cl/CallTest.java
index 841875a..32332f6 100644
--- a/src/test/java/org/gcube/common/authorizationservice/cl/CallTest.java
+++ b/src/test/java/org/gcube/common/authorizationservice/cl/CallTest.java
@@ -2,24 +2,20 @@ package org.gcube.common.authorizationservice.cl;
 
 import static org.gcube.common.authorization.client.Constants.authorizationService;
 
+import java.io.IOException;
 import java.util.Arrays;
 import java.util.List;
 
 import org.gcube.common.authorization.library.BannedService;
 import org.gcube.common.authorization.library.provider.Service;
-import org.gcube.common.resources.gcore.GenericResource;
 import org.gcube.common.scope.api.ScopeProvider;
-import org.gcube.resources.discovery.client.api.DiscoveryClient;
-import org.gcube.resources.discovery.client.queries.api.SimpleQuery;
 import org.junit.Test;
-import static org.gcube.resources.discovery.icclient.ICFactory.*;
 public class CallTest {
 
 	
 	@Test
 	public void call(){
 		ScopeProvider.instance.set("/gcube/devsec");
-		
 		System.out.println(authorizationService().build().get("d7a4076c-e8c1-42fe-81e0-bdecb1e8074a"));
 	}