minor fixes on products

src/main/java/zw/qantra/tm/domain/services/ProviderService.java

@@ -54,11 +54,17 @@ public class ProviderService {
         headers.setAccept(Collections.singletonList(MediaType.APPLICATION_JSON));
         headers.setBearerAuth(token);
 
-        LinkedHashMap response = this.restService.getAs(
+        LinkedHashMap response;
+        try {
+            response = this.restService.getAs(
                     aggregatorUrl + "/merchant/aggregation/products?size=20&clientUid=" + providerId.toString(),
                     headers,
                     LinkedHashMap.class
             );
+        } catch (Exception e) {
+            log.error("Error fetching products for provider " + providerId, e);
+            return Collections.emptyList();
+        }
 
         LinkedHashMap body = (LinkedHashMap) response.get("body");
         List<LinkedHashMap> content = (List<LinkedHashMap>) body.get("content");