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Product

Hot Chocolate

Describe the bug

When adding more than one schema through multiple calls to AddGraphQLServer(), subsequent calls to AddDiagnosticEventListener() seems to register the listener globally. If I register two listeners one for each schema both of the listeners are executed for every request, regardless of which schema/route was used. This results in logging/diagnostics/telemetry performed in the listener being duplicated.

1. Shouldn't diagnostic event listeners added using .AddGraphQLServer().AddDiagnosticEventListener() be scoped to their respective schema?
2. How is the AddDiagnosticEventListener() method supposed to be used when using multiple schemas?

Steps to reproduce

1. Clone the reproduce case defined here: https://github.com/treet/hotchocolate-repro
2. dotnet run
3. Make any GraphQL call to one of the schemas, e.g:
   curl http://localhost:5041/schema1/graphql -H 'content-type: application/json' -d'{"query":"query { book { title }}"}'

Expected result: Only one message ExecuteHttpRequest of kind HttpPost should be logged by the application.
Actual result: Two messages are logged, since both diagnostic events listeners were executed.

Here's the most important portion of the code:

using hotchocolate_repro;

var builder = WebApplication.CreateBuilder(args);

builder.Services
    .AddGraphQLServer("schema1")
    .AddQueryType<Query1>()
    .AddDiagnosticEventListener<ExampleDiagnosticsEventListener1>();

builder.Services
    .AddGraphQLServer("schema2")
    .AddQueryType<Query2>()
    .AddDiagnosticEventListener<ExampleDiagnosticsEventListener2>();

var app = builder.Build();

app
    .UseRouting()
    .UseEndpoints(endpoints =>
    {
        endpoints.MapGraphQL("/schema1", schemaName: "schema1");
        endpoints.MapGraphQL("/schema2", schemaName: "schema2");
    });

app.Run();

Relevant log output

No response

Additional Context?

No response

Version

13.2.1