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Source: Al0101AvoidActivatorCreateInstanceAnalyzer.cs

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Description

Activator.CreateInstance() relies on reflection to create instances, which is not compatible with Native AOT trimming. Use direct construction or factory patterns.

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Bad Code

var service = Activator.CreateInstance(typeof(OrderService));

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Good Code

var service = new OrderService();
// Or use DI: serviceProvider.GetRequiredService<OrderService>()

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Properties

  • Category: AOT Testing
  • Severity: Warning
  • Enabled by default: True
  • Code fix available: False

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Configuration

dotnet_diagnostic.AL0101.severity = warning