--- src/org/apache/taglibs/standard/tag/common/sql/DataSourceWrapper.java.orig	2004-10-25 22:26:22.000000000 +0200
+++ src/org/apache/taglibs/standard/tag/common/sql/DataSourceWrapper.java	2009-11-28 14:53:09.000000000 +0100
@@ -111,5 +111,19 @@
         throw new SQLException(Resources.getMessage("NOT_SUPPORTED"));
     }
 
+    /**
+     * Always throws a SQLException. Not supported.
+     */
+    public boolean isWrapperFor(Class<?> iface) throws SQLException {
+        throw new SQLException(Resources.getMessage("NOT_SUPPORTED"));
+    }
+
+    /**
+     * Always throws a SQLException. Not supported.
+     */
+    public <T> T unwrap(Class<T> iface) throws SQLException {
+        throw new SQLException(Resources.getMessage("NOT_SUPPORTED"));
+    }
+
 
 }
