2025-10-29 07:06:56,908 [69] ERROR NHibernate.AdoNet.AbstractBatcher - Could not execute query: INSERT INTO `WeComFundApprovalDetailAtt` (FundApprovalId, FundApprovalDetailId, `AttachmentUrl`) VALUES (?p0, ?p1, ?p2);SELECT LAST_INSERT_ID()
MySql.Data.MySqlClient.MySqlException (0x80004005): Fatal error encountered during command execution.
 ---> MySql.Data.MySqlClient.MySqlException (0x80004005): Fatal error encountered attempting to read the resultset.
 ---> MySql.Data.MySqlClient.MySqlException (0x80004005): Reading from the stream has failed.
 ---> System.IO.IOException: Unable to read data from the transport connection: Connection timed out.
 ---> System.Net.Sockets.SocketException (110): Connection timed out
   at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 count)
   --- End of inner exception stack trace ---
   at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 count)
   at MySql.Data.MySqlClient.TimedStream.ReadAsync(Byte[] buffer, Int32 offset, Int32 count, Boolean execAsync)
   at MySql.Data.MySqlClient.TimedStream.Read(Byte[] buffer, Int32 offset, Int32 count)
   at MySql.Data.MySqlClient.MySqlStream.ReadFullyAsync(Stream stream, Byte[] buffer, Int32 offset, Int32 count, Boolean execAsync)
   at MySql.Data.MySqlClient.MySqlStream.LoadPacketAsync(Boolean execAsync)
   at MySql.Data.MySqlClient.MySqlStream.LoadPacketAsync(Boolean execAsync)
   at MySql.Data.MySqlClient.MySqlStream.ReadPacketAsync(Boolean execAsync)
   at MySql.Data.MySqlClient.NativeDriver.GetResultAsync(Int32 affectedRow, Int64 insertedId, Boolean execAsync)
   at MySql.Data.MySqlClient.Driver.GetResultAsync(Int32 statementId, Int32 affectedRows, Int64 insertedId, Boolean execAsync)
   at MySql.Data.MySqlClient.Driver.NextResultAsync(Int32 statementId, Boolean force, Boolean execAsync)
   at MySql.Data.MySqlClient.MySqlDataReader.NextResultAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlDataReader.NextResultAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlCommand.ExecuteReaderAsync(CommandBehavior behavior, Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlCommand.ExecuteReaderAsync(CommandBehavior behavior, Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlCommand.ExecuteReaderAsync(CommandBehavior behavior, Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlCommand.ExecuteReader(CommandBehavior behavior)
   at NHibernate.AdoNet.AbstractBatcher.DoExecuteReader(DbCommand cmd)
2025-10-29 07:06:56,911 [69] ERROR NHibernate.Util.ADOExceptionReporter - Fatal error encountered during command execution.
2025-10-29 07:06:56,911 [69] ERROR NHibernate.Util.ADOExceptionReporter - Fatal error encountered attempting to read the resultset.
2025-10-29 07:06:56,911 [69] ERROR NHibernate.Util.ADOExceptionReporter - Reading from the stream has failed.
2025-10-29 07:06:56,911 [69] ERROR NHibernate.Util.ADOExceptionReporter - Unable to read data from the transport connection: Connection timed out.
2025-10-29 07:06:56,911 [69] ERROR NHibernate.Util.ADOExceptionReporter - Connection timed out
2025-10-29 07:06:56,913 [69] ERROR NHibernate.Transaction.AdoTransaction - Rollback failed
System.InvalidOperationException: Connection must be valid and open to rollback transaction
   at MySql.Data.MySqlClient.MySqlTransaction.RollbackAsync(Boolean execAsync, CancellationToken cancellationToken)
   at MySql.Data.MySqlClient.MySqlTransaction.Rollback()
   at NHibernate.Transaction.AdoTransaction.Rollback()