07/08/2015 14:58:04 DEBUG AdvHttpWebRequest System.Net.WebException: The remote server returned an error: (406) Not Acceptable. at System.Net.HttpWebReques t.EndGetResponse(IAsyncR esult asyncResult) at PlagiarismDetector.Searc h.AdvHttpWebRequest.OnRe sponse(IAsyncResult asyncR esult) at System.Net.HttpWebRequest.EndGetResponse(IAsyncResult asyncResult) at PlagiarismDetector.Searc h.AdvHttpWebRequest.OnRe sponse(IAsyncResult asyncR esult) 07/08/2015 14:58:17 DEBUG AdvHttpWebRequest System.Net.WebExcepti on: The remote server returned an error: (406) Not Acceptable. at System.Net.HttpWebReques t.EndGetResponse(IAsyncR esult asyncResult) at PlagiarismDetector.Searc h.AdvHttpWebRequest.OnRe sponse(IAsyncResult asyncR esult) at System.Net.HttpWebRequest .EndGetResponse(IAsyncRe sult asyncResult) at PlagiarismDetector.Searc h.AdvHttpWebRequest.OnRe sponse(IAsyncResult asyncR esult) 07/08/2015 14:58:28 DEBUG AdvHttpWebRequest System.Net.WebExcepti on: The remote server returned an error: (404) Not Found. at System.Net.HttpWebReques t.EndGetResponse(IAsyncR esult asyncResult) at PlagiarismDetector.Search.AdvHttpWebRequest.OnResponse(IAsyncResult asyncR esult) at System.Net.HttpWebRequest .EndGetResponse(IAsyncRe sult asyncResult) at PlagiarismDetector.Search.AdvHttpWebRequest.OnResponse(IAsyncResult asyncR esult) 07/08/2015 14:59:24 DEBUG AdvHttpWebRequest System.Net.WebException: The remote server returned an error: (503) Server Unavailable. at System.Net.HttpWebReques t.EndGetResponse(IAsyncR esult asyncResult) at PlagiarismDetector.Searc h.AdvHttpWebRequest.OnRe sponse(IAsyncResult asyncR esult) at System.Net.HttpWebRequest.EndGetResponse(IAsyncResult asyncResult) at PlagiarismDetector.Searc h.AdvHttpWebRequest.OnRe sponse(IAsyncResult asyncR esult) 07/08/2015 14:59:25 ER ROR GoogleCa ptcha System.Exception: Google won't give cap tcha page. at PlagiarismDetector.Searc h.GoogleCaptcha.OnReply( Response response, Object token, Exception exception) at PlagiarismDetector.Searc h.GoogleCaptcha.OnRepl y(Response response, Object token, Exception exception) 07/08/2015 15:00:35 DEBUG AdvHttpWebRequest System.Net.WebException: The underl ying connection was closed: The connection was closed unexpectedly. at System.Net.HttpWebReques t.EndGetResponse(IAsyncR esult asyncResult) at PlagiarismDetector.Searc h.AdvHttpWebRequest.OnRe sponse(IAsyncResult asyncR esult) at System.Net.HttpWebRequest.EndGetResponse(IAsyncResult asyncResult) at PlagiarismDetector.Searc h.AdvHttpWebRequest.OnRe sponse(IAsyncResult asyncR esult) 07/08/2015 15:00:44 DEBUG AdvHttpWebRequest System.Net.WebExcepti on: The remote server returned an error: (503) Server Unavailable. at System.Net.HttpWebReques t.EndGetResponse(IAsyncR esult asyncResult) at PlagiarismDetector.Searc h.AdvHttpWebRequest.OnRe sponse(IAsyncResult asyncR esult) at System.Net.HttpWebRequest.EndGetResponse(IAsyncResult asyncResult) at PlagiarismDetector.Searc h.AdvHttpWebRequest.OnRe sponse(IAsyncResult asyncR esult) 07/08/2015 15:00:45 ER ROR GoogleCa ptcha System.Exception: Google won't give cap tcha page. at PlagiarismDetector.Searc h.GoogleCaptcha.OnReply( Response response, Object token, Exception exception) at PlagiarismDetector.Searc h.GoogleCaptcha.OnRepl y(Response response, Object token, Exception exception) 07/08/2015 15:00:46 DEBUG AdvHttpWebRequest System.Net.WebException: The remote server returned an error: (503) Server Unavailable. at System.Net.HttpWebReques t.EndGetResponse(IAsyncR esult asyncResult) at PlagiarismDetector.Searc h.AdvHttpWebRequest.OnRe sponse(IAsyncResult asyncR esult) at System.Net.HttpWebRequest.EndGetResponse(IAsyncResult asyncResult) at PlagiarismDetector.Searc h.AdvHttpWebRequest.OnRe sponse(IAsyncResult asyncR esult) 07/08/2015 15:00:47 ER ROR GoogleCa ptcha System.Exception: Google won't give cap