2026-05-31 19:07:46,617 ERROR [1402] ASC.Backup.Scheduler - error while scheduling backups: {0} 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: Operation on non-blocking socket would block. ---> System.Net.Sockets.SocketException: Operation on non-blocking socket would block at System.Net.Sockets.Socket.Receive (System.Byte[] buffer, System.Int32 offset, System.Int32 size, System.Net.Sockets.SocketFlags socketFlags) [0x00016] in <88f564ea69dd4dc8ba9bf979e48d5996>:0 at System.Net.Sockets.NetworkStream.Read (System.Byte[] buffer, System.Int32 offset, System.Int32 size) [0x00065] in <88f564ea69dd4dc8ba9bf979e48d5996>:0 --- End of inner exception stack trace --- at System.Net.Sockets.NetworkStream.Read (System.Byte[] buffer, System.Int32 offset, System.Int32 size) [0x000ac] in <88f564ea69dd4dc8ba9bf979e48d5996>:0 at MySql.Data.MySqlClient.TimedStream.Read (System.Byte[] buffer, System.Int32 offset, System.Int32 count) [0x00026] in :0 at MySql.Data.MySqlClient.MySqlStream.ReadFully (System.IO.Stream stream, System.Byte[] buffer, System.Int32 offset, System.Int32 count) [0x00006] in :0 at MySql.Data.MySqlClient.MySqlStream.LoadPacket () [0x0000e] in :0 at MySql.Data.MySqlClient.MySqlStream.LoadPacket () [0x000a5] in :0 at MySql.Data.MySqlClient.MySqlStream.ReadPacket () [0x00000] in :0 at MySql.Data.MySqlClient.NativeDriver.GetResult (System.Int32& affectedRow, System.Int64& insertedId) [0x0005d] in :0 at MySql.Data.MySqlClient.Driver.GetResult (System.Int32 statementId, System.Int32& affectedRows, System.Int64& insertedId) [0x00000] in :0 at MySql.Data.MySqlClient.Driver.NextResult (System.Int32 statementId, System.Boolean force) [0x00023] in :0 at MySql.Data.MySqlClient.MySqlDataReader.NextResult () [0x000d5] in :0 at MySql.Data.MySqlClient.MySqlDataReader.NextResult () [0x0032e] in :0 at MySql.Data.MySqlClient.MySqlCommand.ExecuteReader (System.Data.CommandBehavior behavior) [0x00248] in :0 at MySql.Data.MySqlClient.MySqlCommand.ExecuteReader (System.Data.CommandBehavior behavior) [0x0030b] in :0 at MySql.Data.MySqlClient.MySqlCommand.ExecuteReader () [0x00000] in :0 at (wrapper remoting-invoke-with-check) MySql.Data.MySqlClient.MySqlCommand.ExecuteReader() at MySql.Data.MySqlClient.Driver.LoadCharacterSets (MySql.Data.MySqlClient.MySqlConnection connection) [0x000bc] in :0 at MySql.Data.MySqlClient.Driver.Configure (MySql.Data.MySqlClient.MySqlConnection connection) [0x00081] in :0 at MySql.Data.MySqlClient.MySqlConnection.Open () [0x0024f] in :0 at ASC.Common.Data.DbManager.OpenConnection () [0x00006] in <821a021ad39b433e91ac640519aa194e>:0 at ASC.Common.Data.DbManager.get_Command () [0x0000e] in <821a021ad39b433e91ac640519aa194e>:0 at ASC.Common.Data.DataExtensions.ApplySqlInstruction (ASC.Common.Data.IDbManager manager, ASC.Common.Data.Sql.ISqlInstruction sql, ASC.Common.Data.Sql.ISqlDialect dialect) [0x00098] in <821a021ad39b433e91ac640519aa194e>:0 at ASC.Common.Data.DataExtensions.ExecuteList (ASC.Common.Data.DbManager manager, ASC.Common.Data.Sql.ISqlInstruction sql, ASC.Common.Data.Sql.ISqlDialect dialect) [0x00000] in <821a021ad39b433e91ac640519aa194e>:0 at ASC.Common.Data.DbManager.ExecuteList (ASC.Common.Data.Sql.ISqlInstruction sql) [0x00008] in <821a021ad39b433e91ac640519aa194e>:0 at ASC.Data.Backup.Storage.BackupRepository.GetBackupSchedules () [0x00086] in <1c8c8244a45c4bdca85d5d1f38baaa31>:0 at ASC.Data.Backup.Service.BackupSchedulerService.ScheduleBackupTasks () [0x0002b] in <1c8c8244a45c4bdca85d5d1f38baaa31>:0 2026-05-31 19:07:46,617 ERROR [1401] ASC.Backup.Cleaner - error while cleaning expired backup records 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: Operation on non-blocking socket would block. ---> System.Net.Sockets.SocketException: Operation on non-blocking socket would block at System.Net.Sockets.Socket.Receive (System.Byte[] buffer, System.Int32 offset, System.Int32 size, System.Net.Sockets.SocketFlags socketFlags) [0x00016] in <88f564ea69dd4dc8ba9bf979e48d5996>:0 at System.Net.Sockets.NetworkStream.Read (System.Byte[] buffer, System.Int32 offset, System.Int32 size) [0x00065] in <88f564ea69dd4dc8ba9bf979e48d5996>:0 --- End of inner exception stack trace --- at System.Net.Sockets.NetworkStream.Read (System.Byte[] buffer, System.Int32 offset, System.Int32 size) [0x000ac] in <88f564ea69dd4dc8ba9bf979e48d5996>:0 at MySql.Data.MySqlClient.TimedStream.Read (System.Byte[] buffer, System.Int32 offset, System.Int32 count) [0x00026] in :0 at MySql.Data.MySqlClient.MySqlStream.ReadFully (System.IO.Stream stream, System.Byte[] buffer, System.Int32 offset, System.Int32 count) [0x00006] in :0 at MySql.Data.MySqlClient.MySqlStream.LoadPacket () [0x0000e] in :0 at MySql.Data.MySqlClient.MySqlStream.LoadPacket () [0x000a5] in :0 at MySql.Data.MySqlClient.MySqlStream.ReadPacket () [0x00000] in :0 at MySql.Data.MySqlClient.NativeDriver.GetResult (System.Int32& affectedRow, System.Int64& insertedId) [0x0005d] in :0 at MySql.Data.MySqlClient.Driver.GetResult (System.Int32 statementId, System.Int32& affectedRows, System.Int64& insertedId) [0x00000] in :0 at MySql.Data.MySqlClient.Driver.NextResult (System.Int32 statementId, System.Boolean force) [0x00023] in :0 at MySql.Data.MySqlClient.MySqlDataReader.NextResult () [0x000d5] in :0 at MySql.Data.MySqlClient.MySqlDataReader.NextResult () [0x0032e] in :0 at MySql.Data.MySqlClient.MySqlCommand.ExecuteReader (System.Data.CommandBehavior behavior) [0x00248] in :0 at MySql.Data.MySqlClient.MySqlCommand.ExecuteReader (System.Data.CommandBehavior behavior) [0x0030b] in :0 at MySql.Data.MySqlClient.MySqlCommand.ExecuteReader () [0x00000] in :0 at (wrapper remoting-invoke-with-check) MySql.Data.MySqlClient.MySqlCommand.ExecuteReader() at MySql.Data.MySqlClient.Driver.LoadCharacterSets (MySql.Data.MySqlClient.MySqlConnection connection) [0x000bc] in :0 at MySql.Data.MySqlClient.Driver.Configure (MySql.Data.MySqlClient.MySqlConnection connection) [0x00081] in :0 at MySql.Data.MySqlClient.MySqlConnection.Open () [0x0024f] in :0 at ASC.Common.Data.DbManager.OpenConnection () [0x00006] in <821a021ad39b433e91ac640519aa194e>:0 at ASC.Common.Data.DbManager.get_Command () [0x0000e] in <821a021ad39b433e91ac640519aa194e>:0 at ASC.Common.Data.DataExtensions.ApplySqlInstruction (ASC.Common.Data.IDbManager manager, ASC.Common.Data.Sql.ISqlInstruction sql, ASC.Common.Data.Sql.ISqlDialect dialect) [0x00098] in <821a021ad39b433e91ac640519aa194e>:0 at ASC.Common.Data.DataExtensions.ExecuteList (ASC.Common.Data.DbManager manager, ASC.Common.Data.Sql.ISqlInstruction sql, ASC.Common.Data.Sql.ISqlDialect dialect) [0x00000] in <821a021ad39b433e91ac640519aa194e>:0 at ASC.Common.Data.DbManager.ExecuteList (ASC.Common.Data.Sql.ISqlInstruction sql) [0x00008] in <821a021ad39b433e91ac640519aa194e>:0 at ASC.Data.Backup.Storage.BackupRepository.GetExpiredBackupRecords () [0x000cd] in <1c8c8244a45c4bdca85d5d1f38baaa31>:0 at ASC.Data.Backup.Service.BackupCleanerService.DeleteExpiredBackups () [0x00026] in <1c8c8244a45c4bdca85d5d1f38baaa31>:0