diff --git a/pig-auth/src/main/java/com/pig4cloud/pig/auth/support/base/OAuth2ResourceOwnerBaseAuthenticationProvider.java b/pig-auth/src/main/java/com/pig4cloud/pig/auth/support/base/OAuth2ResourceOwnerBaseAuthenticationProvider.java
index 23ca251d78c942f792b34b328c0b7be650dfcbac..f551f77b98f4e0074866e22825cb199ea5b1bd80 100644
--- a/pig-auth/src/main/java/com/pig4cloud/pig/auth/support/base/OAuth2ResourceOwnerBaseAuthenticationProvider.java
+++ b/pig-auth/src/main/java/com/pig4cloud/pig/auth/support/base/OAuth2ResourceOwnerBaseAuthenticationProvider.java
@@ -216,7 +216,6 @@ public abstract class OAuth2ResourceOwnerBaseAuthenticationProvider<T extends OA
 
 		}
 		catch (Exception ex) {
-			LOGGER.error("problem in authenticate", ex);
 			throw oAuth2AuthenticationException(authentication, (AuthenticationException) ex);
 		}