diff --git a/src/main/java/com/kamco/cd/kamcoback/inference/service/InferenceResultService.java b/src/main/java/com/kamco/cd/kamcoback/inference/service/InferenceResultService.java
index 5c44b513..61523f0e 100644
--- a/src/main/java/com/kamco/cd/kamcoback/inference/service/InferenceResultService.java
+++ b/src/main/java/com/kamco/cd/kamcoback/inference/service/InferenceResultService.java
@@ -1,5 +1,6 @@
 package com.kamco.cd.kamcoback.inference.service;
 
+import com.fasterxml.jackson.databind.ObjectMapper;
 import com.kamco.cd.kamcoback.common.exception.CustomApiException;
 import com.kamco.cd.kamcoback.config.resttemplate.ExternalHttpClient;
 import com.kamco.cd.kamcoback.config.resttemplate.ExternalHttpClient.ExternalCallResult;
@@ -110,6 +111,13 @@ public class InferenceResultService {
    * @param dto
    */
   private void ensureAccepted(InferenceSendDto dto) {
+    log.info("dto null? {}", dto == null);
+    ObjectMapper om = new ObjectMapper();
+    try {
+      log.info("dto json={}", om.writeValueAsString(dto));
+    } catch (Exception e) {
+      log.error(e.getMessage());
+    }
 
     HttpHeaders headers = new HttpHeaders();
     headers.setContentType(MediaType.APPLICATION_JSON);