Merge remote-tracking branch 'origin/multTasks'

# Conflicts:
#	ConsoleApp2/HostedServices/OutputService.cs
#	ConsoleApp2/HostedServices/TransformService.cs
#	ConsoleApp2/Program.cs

ConsoleApp2/Services/MySqlDestination.cs

@@ -77,6 +77,7 @@ public partial class MySqlDestination : IDisposable, IAsyncDisposable
                 catch (Exception e)
                 {
                     _logger.LogCritical(e, "Error when flushing records, sql: {Sql}", cmd.CommandText.Omit(1000));
+                    _context.AddException(e);
                     
                     var match = MatchTableName().Match(cmd.CommandText);
                     if (match is { Success: true, Groups.Count: > 1 })
@@ -92,6 +93,7 @@ public partial class MySqlDestination : IDisposable, IAsyncDisposable
         catch (Exception e)
         {
             _logger.LogCritical(e, "Error when serialize records, record:");
+            _context.AddException(e);
         }
         finally
         {
@@ -156,6 +158,11 @@ public partial class MySqlDestination : IDisposable, IAsyncDisposable
                                 recordSb.Append("''");
                             else recordSb.Append($"0x{field}");
                             break;
+                        case ColumnType.Json:
+                            recordSb.Append(string.IsNullOrEmpty(field)
+                                ? "\"[]\""
+                                : _transformOptions.Value.TransformBinary?.Invoke(field) ?? field);
+                            break;
                         case ColumnType.UnDefine:
                         default:
                             recordSb.Append(field);