try { domDb.flush(); } catch (DBException e) { LOG.warn("error while flushing dom.dbx", e); } return null; }
domDb.closeDocument(); return null; }
                public Object start() {                    try {                        domDb.flush();                    } catch (DBException e) {                        LOG.warn("error while flushing dom.dbx", e);                    }                    return null;                }