[DBUtils] SqlNullCheckedResultSet not replacing nulls

[Anderson, James H [IT]]

In the following code snippet, SqlNullCheckedResultSet is not replacing nulls, neither 
for String nor Date results.

Anyone have an idea what's wrong?

Thanks,

jim

        [...]

        try {
            Class.forName("com.mysql.jdbc.Driver").newInstance();
            conn = DriverManager.getConnection(url, user, pswd);
 
            MapListHandler mlh = new MapListHandler() {
                    public Object handle (ResultSet rs) {
                        SqlNullCheckedResultSet wrapper = new 
SqlNullCheckedResultSet(rs);
                        wrapper.setNullString("--n/a--");
                        wrapper.setNullDate(today);
                        rs = ProxyFactory.instance().createResultSet(wrapper);
                        Object returnVal = null;
                        try {
                            System.out.println("*** HERE ***");
                            returnVal = super.handle(rs);
                        } catch (Exception e) {
                            System.out.println(e.getMessage());
                        }
                        return returnVal;
                    }
                };

            QueryRunner run = new QueryRunner();
            List result = (List) run.query(conn, query, mlh);
            Iterator it1 = result.iterator();
            while (it1.hasNext()) {
                Map map = (Map) it1.next();
                Set keys = map.keySet();
                Iterator it = keys.iterator();
                while (it.hasNext()) {
                    String key = (String) it.next();
                    System.out.println(key + ": " + map.get(key));
                }
                System.out.println();
            }
        } catch (Exception e) {
            System.out.println(e.getMessage());
            e.printStackTrace();
        } finally {
            org.apache.commons.dbutils.DbUtils.commitAndCloseQuietly(conn);
        }
    }

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