rem: DWREngine._maybeClearUpIFrame(); 
context: DWREngine._remoteHandleExceptionWithoutCallId = function(ex) {  if (ex.message == undefined) ex.message = "";  DWREngine._handleError(DWREngine._receivedBatch, ex);  DWREngine._maybeClearUpIFrame();};
meta: 266	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/266/7de576ce477a96152764438d826cfc156cdf2a6a/engine.js/buggy/java/org/directwebremoting/engine.js