Swagger Error - Failed to generate schema for type / Failed to generate Operation for action #11074

Prerequisites

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• What is your product version? 11.2
• What is your product type (Angular or MVC)? MVC
• What is product framework type (.net framework or .net core)? .net core

If issue related with ABP Framework

• What is ABP Framework version? 7.2

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I did not make any chnages to MultiTenancy.Payments.Dto.PaymentInfoDto, MultiTenancy.Payments.PaymentAppService.GetPaymentInfo or MultiTenancy.Payments.Dto.PaymentInfoDto and I am getting the following errors.

An unhandled exception occurred while processing the request. NullReferenceException: Object reference not set to an instance of an object. Swashbuckle.AspNetCore.SwaggerGen.SchemaGenerator.GenerateSchemaForMember(Type modelType, SchemaRepository schemaRepository, MemberInfo memberInfo, DataProperty dataProperty)

SwaggerGeneratorException: Failed to generate schema for type - xxx.xxx.MultiTenancy.Payments.Dto.PaymentInfoDto. See inner exception Swashbuckle.AspNetCore.SwaggerGen.SwaggerGenerator.GenerateSchema(Type type, SchemaRepository schemaRepository, PropertyInfo propertyInfo, ParameterInfo parameterInfo, ApiParameterRouteInfo routeInfo)

SwaggerGeneratorException: Failed to generate Operation for action - xxx.xxx.MultiTenancy.Payments.PaymentAppService.GetPaymentInfo (Saki.SamsCloud.Application). See inner exception Swashbuckle.AspNetCore.SwaggerGen.SwaggerGenerator.GenerateOperation(ApiDescription apiDescription, SchemaRepository schemaRepository)

Stack Query Cookies Headers Routing NullReferenceException: Object reference not set to an instance of an object. Swashbuckle.AspNetCore.SwaggerGen.SchemaGenerator.GenerateSchemaForMember(Type modelType, SchemaRepository schemaRepository, MemberInfo memberInfo, DataProperty dataProperty) Swashbuckle.AspNetCore.SwaggerGen.SchemaGenerator.CreateObjectSchema(DataContract dataContract, SchemaRepository schemaRepository) Swashbuckle.AspNetCore.SwaggerGen.SchemaGenerator+<>c__DisplayClass10_0.<GenerateConcreteSchema>b__3() Swashbuckle.AspNetCore.SwaggerGen.SchemaGenerator.GenerateReferencedSchema(DataContract dataContract, SchemaRepository schemaRepository, Func<OpenApiSchema> definitionFactory) Swashbuckle.AspNetCore.SwaggerGen.SchemaGenerator.GenerateConcreteSchema(DataContract dataContract, SchemaRepository schemaRepository) Swashbuckle.AspNetCore.SwaggerGen.SchemaGenerator.GenerateSchemaForMember(Type modelType, SchemaRepository schemaRepository, MemberInfo memberInfo, DataProperty dataProperty) Swashbuckle.AspNetCore.SwaggerGen.SchemaGenerator.CreateObjectSchema(DataContract dataContract, SchemaRepository schemaRepository) Swashbuckle.AspNetCore.SwaggerGen.SchemaGenerator+<>c__DisplayClass10_0.<GenerateConcreteSchema>b__3() Swashbuckle.AspNetCore.SwaggerGen.SchemaGenerator.GenerateReferencedSchema(DataContract dataContract, SchemaRepository schemaRepository, Func<OpenApiSchema> definitionFactory) Swashbuckle.AspNetCore.SwaggerGen.SchemaGenerator.GenerateConcreteSchema(DataContract dataContract, SchemaRepository schemaRepository) Swashbuckle.AspNetCore.SwaggerGen.SchemaGenerator.GenerateSchemaForType(Type modelType, SchemaRepository schemaRepository) Swashbuckle.AspNetCore.SwaggerGen.SchemaGenerator.GenerateSchema(Type modelType, SchemaRepository schemaRepository, MemberInfo memberInfo, ParameterInfo parameterInfo, ApiParameterRouteInfo routeInfo) Swashbuckle.AspNetCore.SwaggerGen.SwaggerGenerator.GenerateSchema(Type type, SchemaRepository schemaRepository, PropertyInfo propertyInfo, ParameterInfo parameterInfo, ApiParameterRouteInfo routeInfo)

Show raw exception details SwaggerGeneratorException: Failed to generate schema for type - xxx.xxx.MultiTenancy.Payments.Dto.PaymentInfoDto. See inner exception Swashbuckle.AspNetCore.SwaggerGen.SwaggerGenerator.GenerateSchema(Type type, SchemaRepository schemaRepository, PropertyInfo propertyInfo, ParameterInfo parameterInfo, ApiParameterRouteInfo routeInfo) Swashbuckle.AspNetCore.SwaggerGen.SwaggerGenerator.CreateResponseMediaType(ModelMetadata modelMetadata, SchemaRepository schemaRespository) Swashbuckle.AspNetCore.SwaggerGen.SwaggerGenerator+<>c__DisplayClass19_0.<GenerateResponse>b__2(string contentType) System.Linq.Enumerable.ToDictionary<TSource, TKey, TElement>(IEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TSource, TElement> elementSelector, IEqualityComparer<TKey> comparer) System.Linq.Enumerable.ToDictionary<TSource, TKey, TElement>(IEnumerable<TSource> source, Func<TSource, TKey> keySelector, Func<TSource, TElement> elementSelector) Swashbuckle.AspNetCore.SwaggerGen.SwaggerGenerator.GenerateResponse(ApiDescription apiDescription, SchemaRepository schemaRepository, string statusCode, ApiResponseType apiResponseType) Swashbuckle.AspNetCore.SwaggerGen.SwaggerGenerator.GenerateResponses(ApiDescription apiDescription, SchemaRepository schemaRepository) Swashbuckle.AspNetCore.SwaggerGen.SwaggerGenerator.GenerateOperation(ApiDescription apiDescription, SchemaRepository schemaRepository)

Show raw exception details **SwaggerGeneratorException: Failed to generate Operation for action - xxx.xxx.MultiTenancy.Payments.PaymentAppService.GetPaymentInfo (Saki.SamsCloud.Application). **See inner exception Swashbuckle.AspNetCore.SwaggerGen.SwaggerGenerator.GenerateOperation(ApiDescription apiDescription, SchemaRepository schemaRepository) Swashbuckle.AspNetCore.SwaggerGen.SwaggerGenerator.GenerateOperations(IEnumerable<ApiDescription> apiDescriptions, SchemaRepository schemaRepository) Swashbuckle.AspNetCore.SwaggerGen.SwaggerGenerator.GeneratePaths(IEnumerable<ApiDescription> apiDescriptions, SchemaRepository schemaRepository) Swashbuckle.AspNetCore.SwaggerGen.SwaggerGenerator.GetSwagger(string documentName, string host, string basePath) Swashbuckle.AspNetCore.Swagger.SwaggerMiddleware.Invoke(HttpContext httpContext, ISwaggerProvider swaggerProvider) Microsoft.AspNetCore.Localization.RequestLocalizationMiddleware.Invoke(HttpContext context) Microsoft.AspNetCore.Authorization.AuthorizationMiddleware.Invoke(HttpContext context) IdentityServer4.Hosting.IdentityServerMiddleware.Invoke(HttpContext context, IEndpointRouter router, IUserSession session, IEventService events, IBackChannelLogoutService backChannelLogoutService) IdentityServer4.Hosting.MutualTlsEndpointMiddleware.Invoke(HttpContext context, IAuthenticationSchemeProvider schemes) Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.Invoke(HttpContext context) IdentityServer4.Hosting.BaseUrlMiddleware.Invoke(HttpContext context) Abp.AspNetZeroCore.Web.Authentication.JwtBearer.JwtTokenMiddleware+<>c__DisplayClass0_0+uqGUelN6OFH94LvZusv.MoveNext() Abp.AspNetZeroCore.Web.Authentication.JwtBearer.JwtTokenMiddleware+<>c__DisplayClass0_0+uqGUelN6OFH94LvZusv.MoveNext() Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.Invoke(HttpContext context) Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context)

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