From 4f56b412b07838c07b12b59a0d0e528e4a0dec8c Mon Sep 17 00:00:00 2001
From: Luca Frosini <luca.frosini@isti.cnr.it>
Date: Mon, 1 Aug 2022 10:19:07 +0200
Subject: [PATCH] Fixed service discovery

---
 src/main/java/org/gcube/gcat/client/GCatClientDiscovery.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/gcube/gcat/client/GCatClientDiscovery.java b/src/main/java/org/gcube/gcat/client/GCatClientDiscovery.java
index f06604c..8d4ffe2 100644
--- a/src/main/java/org/gcube/gcat/client/GCatClientDiscovery.java
+++ b/src/main/java/org/gcube/gcat/client/GCatClientDiscovery.java
@@ -77,7 +77,9 @@ public class GCatClientDiscovery {
 		try {
 			SimpleQuery proxyQuery = queryForProxy(GCatConstants.SERVICE_CLASS);
 			addresses = ICFactory.client().submit(proxyQuery);
-			
+			if(addresses==null || addresses.isEmpty()){
+				throw new Exception("No ResourceRegistry Proxy Found");
+			}
 		} catch (Exception e) {
 			logger.debug("{}. Looking for RunningInstance.", e.getMessage());
 			SimpleQuery serviceQuery = queryForService(GCatConstants.SERVICE_CLASS);