Log graphql error

src/OrchardCore.Modules/OrchardCore.Apis.GraphQL/GraphQLMiddleware.cs

@@ -18,6 +18,7 @@
 using Microsoft.AspNetCore.Mvc.Formatters;
 using Microsoft.CodeAnalysis;
 using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 using OrchardCore.Apis.GraphQL.Queries;
 using OrchardCore.Apis.GraphQL.ValidationRules;
@@ -27,6 +28,7 @@ namespace OrchardCore.Apis.GraphQL
 {
     public class GraphQLMiddleware : IMiddleware
     {
+        private ILogger _logger;
         private readonly GraphQLSettings _settings;
         private readonly IGraphQLSerializer _serializer;
         private readonly IDocumentExecuter _executer;
@@ -122,6 +124,8 @@ private async Task ExecuteAsync(HttpContext context)
             catch (Exception e)
             {
                 await _serializer.WriteErrorAsync(context, "An error occurred while processing the GraphQL query", e);
+                _logger ??= context.RequestServices.GetRequiredService<ILogger<GraphQLMiddleware>>();
+                _logger.LogError(e, "An error occurred while processing the GraphQL query.");
                 return;
             }