Object reference not set to an instance of an object only in v2.json in 1.2.0 package #377
Description
I upgraded from .81 preview which was running fine. This is .net6 running isolated/out-of-process.
When using the 1.1.0 package, I can use the Swagger UI and generate the OpenApi document.
However, upgrading to 1.2.0 causes the OpenApi endpoint (/api/openapi/v2.json) to return the error listed below. The Swagger UI and Swagger.json endpoint (/api/swagger.json) work fine under 1.2.0. OpenApi endpoint /api/openapi/v3.json renders fine in 1.2.0.
It is the /api/openapi/v2.json endpoint that will not render under 1.2.0 which is what is needed for Azure Logic Apps Custom Connectors.
This is not an issue of needing to include a dependency as my project has many dependencies in all shared solutions.
Also, for some reason both 1.1.0 and 1.20.0 required adding System.Drawing.Common which seems like an odd package to require.
`Object reference not set to an instance of an object.
at Microsoft.Azure.Functions.Worker.Extensions.OpenApi.Extensions.DocumentHelperExtensions.<>c__DisplayClass6_0.b__5(KeyValuePair2 p) at System.Linq.Enumerable.TryGetSingle[TSource](IEnumerable1 source, Func2 predicate, Boolean& found) at Microsoft.Azure.Functions.Worker.Extensions.OpenApi.Extensions.DocumentHelperExtensions.GetOpenApiParameters(IDocumentHelper helper, MethodInfo element, HttpTriggerAttribute trigger, NamingStrategy namingStrategy, VisitorCollection collection, OpenApiVersionType version) at Microsoft.Azure.Functions.Worker.Extensions.OpenApi.Document.Build(Assembly assembly, OpenApiVersionType version) at Microsoft.Azure.Functions.Worker.Extensions.OpenApi.Functions.OpenApiTriggerFunction.RenderOpenApiDocument(HttpRequestData req, String version, String extension, FunctionContext ctx)