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Add diagnostic logging when gRPC generated code not found
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When AddGrpcFromConfiguration method is not found via reflection,
logs detailed diagnostics to help identify the root cause:
- Entry assembly name and total type count
- All Grpc-related types with their IsClass/IsSealed/IsPublic flags
- Whether the target method exists on each type
- ReflectionTypeLoadException details if type loading fails

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
David Nguyen 2026-01-21 16:10:18 -05:00
parent 18f81a28e8
commit 20147bfec7
Signed by: david.nguyen
GPG Key ID: D5FB5A5715829326
1 changed files with 54 additions and 0 deletions
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54
Svrnty.CQRS.Grpc/CqrsBuilderExtensions.cs
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@ -33,6 +33,7 @@ public static class CqrsBuilderExtensions
{
Console.WriteLine("Warning: AddGrpcFromConfiguration not found. gRPC services were not registered.");
Console.WriteLine("Make sure your project has source generators enabled and references Svrnty.CQRS.Grpc.Generators.");
DiagnoseGeneratedCode();
}
// Register mapping callback for automatic endpoint mapping
@ -49,6 +50,59 @@ public static class CqrsBuilderExtensions
return builder;
}
private static void DiagnoseGeneratedCode()
{
var entryAsm = Assembly.GetEntryAssembly();
if (entryAsm == null)
{
Console.WriteLine("Diagnostic: Entry assembly is null");
return;
}
Console.WriteLine($"Diagnostic: Entry assembly = {entryAsm.GetName().Name}");
try
{
var allTypes = entryAsm.GetTypes();
Console.WriteLine($"Diagnostic: Total types in entry assembly = {allTypes.Length}");
var grpcTypes = allTypes
.Where(t => t.FullName?.Contains("Grpc") == true)
.ToList();
if (grpcTypes.Any())
{
Console.WriteLine("Diagnostic: Found Grpc-related types:");
foreach (var t in grpcTypes)
{
Console.WriteLine($" - {t.FullName} (IsClass={t.IsClass}, IsSealed={t.IsSealed}, IsPublic={t.IsPublic})");
// Check for our target method
var method = t.GetMethod("AddGrpcFromConfiguration", BindingFlags.Static | BindingFlags.Public);
if (method != null)
Console.WriteLine($" -> HAS AddGrpcFromConfiguration method!");
}
}
else
{
Console.WriteLine("Diagnostic: No Grpc-related types found. Source generator did NOT run.");
}
}
catch (ReflectionTypeLoadException ex)
{
Console.WriteLine($"Diagnostic: ReflectionTypeLoadException - {ex.Message}");
foreach (var le in ex.LoaderExceptions)
{
if (le != null)
Console.WriteLine($" LoaderException: {le.Message}");
}
}
catch (Exception ex)
{
Console.WriteLine($"Diagnostic: Exception - {ex.GetType().Name}: {ex.Message}");
}
}
private static MethodInfo? FindExtensionMethod(string methodName, Type parameterType)
{
// Search through all loaded assemblies for the extension method