支持HA

git-svn-id: http://code.alibabatech.com/svn/druid/trunk@456 b9813039-fb51-4c41-a8b9-e21c2acb5095

src/main/java/com/alibaba/druid/pool/PoolableConnection.java

@@ -109,7 +109,7 @@ public class PoolableConnection implements PooledConnection, Connection {
     }
 
     @Override
-    public Connection getConnection() throws SQLException {
+    public Connection getConnection() {
         return conn;
     }