diff --git a/src/main/java/com/eactive/eai/custom/authoutbound/client/impl/DJBErpNsmapiAccessTokenService.java b/src/main/java/com/eactive/eai/custom/authoutbound/client/impl/DJBErpNsmapiAccessTokenService.java
index a710761..69bf5bb 100644
--- a/src/main/java/com/eactive/eai/custom/authoutbound/client/impl/DJBErpNsmapiAccessTokenService.java
+++ b/src/main/java/com/eactive/eai/custom/authoutbound/client/impl/DJBErpNsmapiAccessTokenService.java
@@ -170,8 +170,20 @@ public class DJBErpNsmapiAccessTokenService implements HttpClientAccessTokenServ
 				cmBuilder.setSSLSocketFactory(sslSocketFactory);
 			} else {
 				sslContext = SSLContextBuilder.create().loadTrustMaterial(new TrustAllStrategy()).build();
-				SSLConnectionSocketFactory csf = new SSLConnectionSocketFactory(sslContext);
-				cmBuilder.setSSLSocketFactory(csf);
+				SSLConnectionSocketFactory sslSocketFactory = null;
+		        if(testMode) {
+		        	// Hostname verifier 비활성화 (테스트용)
+					sslSocketFactory = new SSLConnectionSocketFactory(
+					    sslContext
+					    , NoopHostnameVerifier.INSTANCE 
+					);
+		        }
+		        else {
+		        	sslSocketFactory = new SSLConnectionSocketFactory(
+						    sslContext						  
+						);
+		        }
+		        cmBuilder.setSSLSocketFactory(sslSocketFactory);
 			}
 		} catch (KeyManagementException | NoSuchAlgorithmException | KeyStoreException | CertificateException
 				| IOException | UnrecoverableKeyException e) {
@@ -272,7 +284,7 @@ public class DJBErpNsmapiAccessTokenService implements HttpClientAccessTokenServ
 				}
 			} catch (Exception e) {
 				e.printStackTrace();
-		        logger.error("[HttpClientAccessTokenServiceWithBase64Header] retrieve accessToken exception :" + e.getMessage());
+		        logger.error("[DJBErpNsmapiAccessTokenService] retrieve accessToken exception :" + e.getMessage(), e);
 		        return accessToken;
 			}
 		}