sorry for being late, The stack trace of the exception is: System.SystemException was caught Message=Timeout expired. Source=OpenLink.Data.Virtuoso StackTrace: at OpenLink.Data.Virtuoso.Future.GetResult(ISession session, FutureList futures, Boolean remove) at OpenLink.Data.Virtuoso.Future.GetNextResult(ISession session, FutureList futures) at OpenLink.Data.Virtuoso.ManagedCommand.ProcessResult(Boolean needEvl) at OpenLink.Data.Virtuoso.ManagedCommand.Execute(String query) at OpenLink.Data.Virtuoso.VirtuosoCommand.ExecuteReader(CommandBehavior behavior) at OpenLink.Data.Virtuoso.VirtuosoCommand.ExecuteDbDataReader(CommandBehavior behavior) at System.Data.Common.DbCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior) at System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) at System.Data.Common.DbDataAdapter.Fill(DataTable[] dataTables, Int32 startRecord, Int32 maxRecords, IDbCommand command, CommandBehavior behavior) at System.Data.Common.DbDataAdapter.Fill(DataTable dataTable) at VDS.RDF.Storage.VirtuosoManager.Query(IRdfHandler rdfHandler, ISparqlResultsHandler resultsHandler, String sparqlQuery) at VDS.RDF.Storage.VirtuosoManager.Query(String sparqlQuery) at relAlgorithm.QueryProcessor.doQuery(String queryText) in C:\Users\Sherif\Dropbox\Graduation project -Sherif\[Prototype]\relalgorithm-lt\relAlgorithm\relAlgorithm\QueryProcessor.cs:line 138 InnerException:
I know for sure it times out after 30 seconds because I made a timer to count the time from sending the query to the catch{} , it displayed 30.xxxx seconds