rem: var str = this.logError( err ); this.notifyObservers( "onError", [err instanceof Error ? -1 : err, str] ); 
add: var msg = this.logError(err); this.notifyObservers( "onError", err instanceof Components.interfaces.nsIException ? [err.result, err.message] : [-1, msg] ); 
context:     notifyError:    function( err )    {        debugger;        var str = this.logError( err );        this.notifyObservers( "onError",                              [err instanceof Error ? -1 : err, str] );    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/88a347723b7a4696ebc1ec2a320d6f1fe7ff1a0b/calWcapCachedCalendar.js/buggy/calendar/providers/wcap/calWcapCachedCalendar.js