add: else { DWREngine._handleError(reason, ex); } 
context: DWREngine._handleMetaDataError = function(metadata, reason, ex) {  if (metadata.errorHandler) {    metadata.errorHandler(reason, ex);  }};
meta: 266	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/266/ed558c2162d130689f40337cfdbe8b9f6fbe8d58/engine.js/clean/java/uk/ltd/getahead/dwr/engine.js