From c7e62e273423beb3536ae40750b92f48f41b03a5 Mon Sep 17 00:00:00 2001
From: Konstantinos Triantafyllou <k.triantafyllou@di.uoa.gr>
Date: Fri, 22 Jan 2021 16:12:44 +0000
Subject: [PATCH] [Users | Trunk]: Fix exception when a user is not yer
 registered to openaire

---
 .../openaire/usermanagement/utils/RegistryCalls.java      | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/main/java/eu/dnetlib/openaire/usermanagement/utils/RegistryCalls.java b/src/main/java/eu/dnetlib/openaire/usermanagement/utils/RegistryCalls.java
index 60f650f..20857ce 100644
--- a/src/main/java/eu/dnetlib/openaire/usermanagement/utils/RegistryCalls.java
+++ b/src/main/java/eu/dnetlib/openaire/usermanagement/utils/RegistryCalls.java
@@ -62,7 +62,13 @@ public class RegistryCalls {
         params.put("coid", coid);
         params.put("mail", email);
         JsonElement response = httpUtils.get("co_people.json", params);
-        return (response != null) ? response.getAsJsonObject().get("CoPeople").getAsJsonArray().get(0).getAsJsonObject().get("Id").getAsInt() : null;
+        if(response != null) {
+            JsonArray coPeople = response.getAsJsonObject().get("CoPeople").getAsJsonArray();
+            if(coPeople.size() > 0) {
+                return coPeople.get(0).getAsJsonObject().get("Id").getAsInt();
+            }
+        }
+        return null;
     }
 
     /**