diff --git src/com/mysql/jdbc/ResultSetImpl.java src/com/mysql/jdbc/ResultSetImpl.java
index d32dbc3..ef3240a 100644
--- src/com/mysql/jdbc/ResultSetImpl.java
+++ src/com/mysql/jdbc/ResultSetImpl.java
@@ -7321,11 +7321,9 @@ public class ResultSetImpl implements ResultSetInternalMethods {
 	 *             if an error occurs
 	 */
 	public void realClose(boolean calledExplicitly) throws SQLException {
-		MySQLConnection locallyScopedConn;
+		MySQLConnection locallyScopedConn = this.connection;
 		
-		try {
-			locallyScopedConn = checkClosed();
-		} catch (SQLException sqlEx) {
+		if (locallyScopedConn == null) {
 			return; // already closed
 		}