Open Saibamen opened 4 years ago
my Swagger not working anymore? Exception and stacktrace available?
Server Error in '/' Application.
Object reference not set to an instance of an object.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[NullReferenceException: Object reference not set to an instance of an object.]
NJsonSchema.Generation.JsonSchemaGeneratorSettings.ResolveContract(Type type) +174
NJsonSchema.Generation.DefaultReflectionService.GetDescription(ContextualType contextualType, ReferenceTypeNullHandling defaultReferenceTypeNullHandling, JsonSchemaGeneratorSettings settings) +2074
NSwag.Generation.Processors.OperationResponseProcessorBase.ProcessOperationDescriptions(IEnumerable`1 operationDescriptions, ParameterInfo returnParameter, OperationProcessorContext context, String successResponseDescription) +459
NSwag.Generation.Processors.OperationResponseProcessorBase.ProcessResponseTypeAttributes(OperationProcessorContext operationProcessorContext, IEnumerable`1 responseTypeAttributes) +84
NSwag.Generation.WebApi.Processors.OperationResponseProcessor.Process(OperationProcessorContext context) +458
NSwag.Generation.WebApi.WebApiOpenApiDocumentGenerator.RunOperationProcessors(OpenApiDocument document, Type controllerType, MethodInfo methodInfo, OpenApiOperationDescription operationDescription, List`1 allOperations, OpenApiDocumentGenerator swaggerGenerator, OpenApiSchemaResolver schemaResolver) +160
NSwag.Generation.WebApi.WebApiOpenApiDocumentGenerator.AddOperationDescriptionsToDocument(OpenApiDocument document, Type controllerType, List`1 operations, OpenApiDocumentGenerator swaggerGenerator, OpenApiSchemaResolver schemaResolver) +239
NSwag.Generation.WebApi.WebApiOpenApiDocumentGenerator.GenerateForController(OpenApiDocument document, Type controllerType, OpenApiDocumentGenerator swaggerGenerator, OpenApiSchemaResolver schemaResolver) +930
NSwag.Generation.WebApi.<GenerateForControllersAsync>d__7.MoveNext() +404
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +102
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +64
NSwag.AspNet.Owin.Middlewares.<GenerateDocumentAsync>d__9.MoveNext() +226
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +102
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +64
NSwag.AspNet.Owin.Middlewares.<GetDocumentAsync>d__8.MoveNext() +788
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +102
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +64
NSwag.AspNet.Owin.Middlewares.<Invoke>d__7.MoveNext() +348
[AggregateException: One or more errors occurred.]
Microsoft.Owin.Host.SystemWeb.CallContextAsyncResult.End(IAsyncResult result) +64
Microsoft.Owin.Host.SystemWeb.OwinHttpHandler.EndProcessRequest(IAsyncResult result) +7
System.Web.<>c__DisplayClass7_0.<InvokeEndHandler>b__0() +30
System.Web.StepInvoker.Invoke(Action executionStep) +100
System.Web.<>c__DisplayClass4_0.<Invoke>b__0() +17
Microsoft.AspNet.TelemetryCorrelation.TelemetryCorrelationHttpModule.OnExecuteRequestStep(HttpContextBase context, Action step) +64
System.Web.<>c__DisplayClass284_0.<OnExecuteRequestStep>b__0(Action nextStepAction) +55
System.Web.StepInvoker.Invoke(Action executionStep) +84
System.Web.CallHandlerExecutionStep.InvokeEndHandler(IAsyncResult ar) +113
System.Web.CallHandlerExecutionStep.OnAsyncHandlerCompletion(IAsyncResult ar) +126
Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4075.0
Maybe you also need to set the ContractResolver property on the settings object.
Hello.
.NET Framework 4.7.2 with latest NSwag with OWIN.
I wanted to add
StringEnumConverter()
toConverters
inSerializerSettings
, but mySerializerSettings
is null, so I initiate them, and after that, my Swagger not working anymore.