--- standard/src/org/apache/taglibs/standard/tag/common/sql/DataSourceWrapper.java.sav	2004-07-20 00:06:07.000000000 +0300
+++ standard/src/org/apache/taglibs/standard/tag/common/sql/DataSourceWrapper.java	2011-07-19 14:19:40.689712335 +0300
@@ -111,5 +111,11 @@ public class DataSourceWrapper implement
         throw new SQLException(Resources.getMessage("NOT_SUPPORTED"));
     }
 
+    public boolean isWrapperFor(Class iface) throws SQLException {
+        throw new SQLException(Resources.getMessage("NOT_SUPPORTED"));
+    }
+    public Object unwrap(Class iface) throws SQLException {
+        throw new SQLException(Resources.getMessage("NOT_SUPPORTED"));
+    }
 
 }