System.Net.WebException: The underlying connection was closed: Unable to connect to the remote server. ---> System.Net.Sockets.SocketException: An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full
at System.Net.Sockets.Socket..ctor(AddressFamily addressFamily, SocketType socketType, ProtocolType protocolType)
at System.Net.ServicePoint.GetConnection(PooledStream PooledStream, Object owner, Boolean async, IPAddress& address, Socket& abortSocket, Socket& abortSocket6)
at System.Net.PooledStream.Activate(Object owningObject, Boolean async, GeneralAsyncDelegate asyncCallback)
at System.Net.Connection.CompleteStartConnection(Boolean async, HttpWebRequest httpWebRequest)
--- End of inner exception stack trace ---
at System.Net.HttpWebRequest.GetResponse()
at HttpWebAdapters.Adapters.HttpWebRequestAdapter.GetResponse()
at SolrNet.Impl.SolrConnection.GetResponse(IHttpWebRequest request)
at SolrNet.Impl.SolrConnection.Get(String relativeUrl, IEnumerable`1 parameters)
--- End of inner exception stack trace ---
at SolrNet.Impl.SolrConnection.Get(String relativeUrl, IEnumerable`1 parameters)
at SolrNet.Impl.SolrQueryExecuter`1.Execute(ISolrQuery q, QueryOptions options)
at SolrNet.Impl.SolrBasicServer`1.Query(ISolrQuery query, QueryOptions options)
at SolrNet.Impl.SolrServer`1.Query(ISolrQuery query, QueryOptions options)
at VBQPPL.Utils.BaseDA.GetObjDMFormSolr[T](List`1 LstFields, String txtQuery, String FieldSort, Boolean order)
at VBQPPL.Data.DanhSachDonViDA.getDonViByUrl(String UrlDonVi)
at VBQPPL.Webpart.wpHienThiBannerUserControl.GetDonViHienTai()
at VBQPPL.Webpart.wpHienThiBannerUserControl.Page_Load(Object sender, EventArgs e)
-->
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