g3rg0 commented on code in PR #4774:
URL: https://github.com/apache/hive/pull/4774#discussion_r1349686711


##########
service/src/java/org/apache/hive/service/cli/thrift/ThriftHttpServlet.java:
##########
@@ -283,7 +283,7 @@ protected void doPost(HttpServletRequest request, 
HttpServletResponse response)
       }
       // Send a 401 to the client
       response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
-      if(isAuthTypeEnabled(request, HiveAuthConstants.AuthTypes.KERBEROS)) {
+      if(authType.isEnabled(HiveAuthConstants.AuthTypes.KERBEROS)) {

Review Comment:
   > The `SpnegoAuthInterceptor` will go for Kerberos authentication only when 
Knox enables the Kerberos, so if the HS2 is Kerberos based, the auth will be 
success finally. For other cases without the gateway, the `e` should not be an 
instance of `HttpEmptyAuthenticationException`, so we don't add the extra 
header to the response.
   > 
   > What do you think?
   
   Makes sense to me. I've updated the code with your suggestion and also added 
a new unit test to check this behavior.



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