diff --git a/notification-core/src/main/java/org/opengroup/osdu/notification/api/PubsubEndpoint.java b/notification-core/src/main/java/org/opengroup/osdu/notification/api/PubsubEndpoint.java
index 22b02bef1581f4d9242b05e988b0a5f75fa0303e..33ea6281af557e5f028bd599e05f83779ccfe805 100644
--- a/notification-core/src/main/java/org/opengroup/osdu/notification/api/PubsubEndpoint.java
+++ b/notification-core/src/main/java/org/opengroup/osdu/notification/api/PubsubEndpoint.java
@@ -54,7 +54,7 @@ public class PubsubEndpoint {
         Map<String, String> headerAttributes = this.pubsubRequestBodyExtractor.extractAttributesFromRequestBody();
         HttpResponse response = notificationHandler.notifySubscriber(notificationId, pubsubMessage, headerAttributes);
         if (!response.isSuccessCode()) {
-            this.log.error(NOT_ACKNOWLEDGE);
+            this.log.error(NOT_ACKNOWLEDGE + response.getBody());
             return new ResponseEntity<String>(NOT_ACKNOWLEDGE, HttpStatus.valueOf(response.getResponseCode()));
         }
         this.log.debug(ACKNOWLEDGE);
diff --git a/notification-core/src/main/java/org/opengroup/osdu/notification/auth/GsaAuth.java b/notification-core/src/main/java/org/opengroup/osdu/notification/auth/GsaAuth.java
index 4ff98310b10fa909e477300cc741f20775624649..565c6635802339ffafe8499da66974e8ad164c0e 100644
--- a/notification-core/src/main/java/org/opengroup/osdu/notification/auth/GsaAuth.java
+++ b/notification-core/src/main/java/org/opengroup/osdu/notification/auth/GsaAuth.java
@@ -30,7 +30,6 @@ import java.util.HashMap;
 import java.util.Map;
 
 @Component
-@RequestScope
 public class GsaAuth implements SecretAuth {
     @Autowired
     private IGoogleServiceAccount gsaTokenProvider;
diff --git a/notification-core/src/main/java/org/opengroup/osdu/notification/auth/HmacAuth.java b/notification-core/src/main/java/org/opengroup/osdu/notification/auth/HmacAuth.java
index 3c5303d3f3e6bb100047c0df70d25730f22b3d5e..6252043970c7e03fd0d3c1a6ae21f4d40adb61d5 100644
--- a/notification-core/src/main/java/org/opengroup/osdu/notification/auth/HmacAuth.java
+++ b/notification-core/src/main/java/org/opengroup/osdu/notification/auth/HmacAuth.java
@@ -27,7 +27,6 @@ import java.util.HashMap;
 import java.util.Map;
 
 @Component
-@RequestScope
 public class HmacAuth implements SecretAuth {
     @Autowired
     private ISignatureService signatureService;
diff --git a/notification-core/src/main/java/org/opengroup/osdu/notification/auth/factory/AuthFactory.java b/notification-core/src/main/java/org/opengroup/osdu/notification/auth/factory/AuthFactory.java
index acfe9802646ceb778dffa3d678098390a612fed7..5cedb532daabcf4806eb30dfffbbd97878b38750 100644
--- a/notification-core/src/main/java/org/opengroup/osdu/notification/auth/factory/AuthFactory.java
+++ b/notification-core/src/main/java/org/opengroup/osdu/notification/auth/factory/AuthFactory.java
@@ -16,6 +16,7 @@
 package org.opengroup.osdu.notification.auth.factory;
 
 import org.opengroup.osdu.core.common.logging.JaxRsDpsLog;
+import org.opengroup.osdu.core.common.model.http.AppException;
 import org.opengroup.osdu.notification.auth.GsaAuth;
 import org.opengroup.osdu.notification.auth.HmacAuth;
 import org.opengroup.osdu.notification.auth.interfaces.SecretAuth;
@@ -25,6 +26,9 @@ import org.springframework.web.context.annotation.RequestScope;
 
 @Component
 public class AuthFactory {
+    private final String HMAC_TYPE = "HMAC";
+    private final String GSA_TYPE = "GSA";
+
     @Autowired
     private HmacAuth hmacAuth;
     @Autowired
@@ -33,13 +37,13 @@ public class AuthFactory {
     private JaxRsDpsLog log;
 
     public SecretAuth getSecretAuth(String secretType) {
-        switch (secretType) {
-            case "HMAC":
+        switch (secretType.toUpperCase()) {
+            case HMAC_TYPE:
                 return hmacAuth;
-            case "GSA":
+            case GSA_TYPE:
                 return gsaAuth;
+            default:
+                throw new AppException(404, "Secret Type Not Found", "Unrecognised secret type encountered :" + secretType);
         }
-        log.error("Unrecognized Secret Type.");
-        return null;
     }
 }
diff --git a/notification-core/src/main/java/org/opengroup/osdu/notification/service/NotificationHandler.java b/notification-core/src/main/java/org/opengroup/osdu/notification/service/NotificationHandler.java
index ecff8661d140e74d1cc435df6cc4f6a7d51a96d4..9ba4a823ab5d54fa97e5f79ffa8bc2a926ed09cb 100644
--- a/notification-core/src/main/java/org/opengroup/osdu/notification/service/NotificationHandler.java
+++ b/notification-core/src/main/java/org/opengroup/osdu/notification/service/NotificationHandler.java
@@ -24,6 +24,8 @@ import org.opengroup.osdu.core.common.model.http.DpsHeaders;
 import org.opengroup.osdu.core.common.model.notification.*;
 import org.opengroup.osdu.notification.auth.factory.AuthFactory;
 import org.opengroup.osdu.notification.auth.interfaces.SecretAuth;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
@@ -34,8 +36,7 @@ import java.util.Map;
 
 @Component
 public class NotificationHandler {
-    @Autowired
-    private JaxRsDpsLog log;
+    private final static Logger LOGGER = LoggerFactory.getLogger(NotificationHandler.class);
     @Autowired
     private HttpClient httpClient;
     @Autowired
@@ -43,7 +44,7 @@ public class NotificationHandler {
     @Autowired
     private AuthFactory authFactory;
     @Value("${app.waitingTime:30000}")
-    private int WAITING_TIME ;
+    private int WAITING_TIME;
 
     public HttpResponse notifySubscriber(String notificationId, String pubsubMessage, Map<String, String> headerAttributes) throws Exception {
         Subscription subscription = subscriptionHandler.getSubscriptionFromCache(notificationId);
@@ -51,7 +52,7 @@ public class NotificationHandler {
         String endpoint = subscription.getPushEndpoint();
         String secretType = secret.getSecretType();
         String pushUrl = "";
-        Map<String, String> requestHeader = new HashMap<String,String>();
+        Map<String, String> requestHeader = new HashMap<String, String>();
 
         // Authentication Secret
         SecretAuth secretAuth = authFactory.getSecretAuth(secretType);
@@ -65,7 +66,7 @@ public class NotificationHandler {
 
         HttpRequest request = HttpRequest.post().url(pushUrl).headers(requestHeader).body(pubsubMessage).connectionTimeout(WAITING_TIME).build();
         HttpResponse response = httpClient.send(request);
-        this.log.info("sending out notification to endpoint: " + endpoint);
+        this.LOGGER.debug("Sending out notification to endpoint: " + endpoint);
         return response;
     }
 }