patch to remove Jetty-server inclusion in hadoop-auth.

Change-Id: I1d0e6dbe632cb8dafd2abb5c4a9e16fa8b487b72
(cherry picked from commit 7234b1d32fdcd093c77b8c8e0c99041b3d8d891a)

Author: jojochuang

hadoop-common-project/hadoop-auth/pom.xml

@@ -193,10 +193,10 @@
       <artifactId>guava</artifactId>
       <scope>test</scope>
     </dependency>
-    <dependency>
+    <!--<dependency>
       <groupId>org.eclipse.jetty</groupId>
       <artifactId>jetty-server</artifactId>
-    </dependency>
+    </dependency>-->
   </dependencies>
 
   <build>

hadoop-common-project/hadoop-auth/src/main/java/org/apache/hadoop/security/authentication/server/AuthenticationFilter.java

@@ -19,7 +19,6 @@
 import org.apache.hadoop.security.authentication.client.AuthenticationException;
 import org.apache.hadoop.security.authentication.client.KerberosAuthenticator;
 import org.apache.hadoop.security.authentication.util.*;
-import org.eclipse.jetty.server.Response;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -621,18 +620,18 @@ && getMaxInactiveInterval() > 0) {
           errCode = HttpServletResponse.SC_FORBIDDEN;
         }
         // After Jetty 9.4.21, sendError() no longer allows a custom message.
-        // use setStatusWithReason() to set a custom message.
+        // use setStatus() to set a custom message.
         String reason;
         if (authenticationEx == null) {
           reason = "Authentication required";
         } else {
           reason = authenticationEx.getMessage();
         }
 
-        if (httpResponse instanceof Response) {
+        /*if (httpResponse instanceof Response) {
           ((Response)httpResponse).setStatusWithReason(errCode, reason);
-        }
-
+        }*/
+        httpResponse.setStatus(errCode, reason);
         httpResponse.sendError(errCode, reason);
       }
     }