Unhandled exception generating code with openapi2csclient for PagerDuty OpenAPI v3 #4967
Comments
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It seems Nswag is not happy with the "$ref" found in the json: 
that is referencing this other json property: 
Maybe there is some part of the OpenAPI v3 standar that Nswag is not yet supporting? |
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NSwag should be able to generate most of the code and skip through the schema validation errors whenever possible, but at the moment the error results in no code at all in the output. npm install -g @openapitools/openapi-generator-cli
openapi-generator-cli generate -g csharp -o "./PagerDutyClient" --skip-validate-spec -i https://raw.githubusercontent.com/PagerDuty/api-schema/main/reference/REST/openapiv3.jsonEven if the generated code has some errors, we can manually fix those latter after the tool generates the base for it, the tool should be able to generate 99% of the code. |
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Running the command to generate the C# client code from the open-API v3 json file from the official PagerDuty url results in an unhandled exception by the
nswagcommand and thus doesn't get to generate any code.Error:
System.InvalidOperationException: Could not resolve the path '#/components/responses/OrchestrationPathServiceActiveResponse/content/application~1json/schema'.
at NJsonSchema.JsonReferenceResolver.ResolveDocumentReference(Object rootObject, String jsonPath, Type targetType, IContractResolver contractResolver)
at NJsonSchema.JsonReferenceResolver.ResolveReferenceAsync(Object rootObject, String jsonPath, Type targetType, IContractResolver contractResolver, Boolean append, CancellationToken cancellationToken)
at NJsonSchema.JsonReferenceResolver.ResolveReferenceAsync(Object rootObject, String jsonPath, Type targetType, IContractResolver contractResolver, CancellationToken cancellationToken)
at NJsonSchema.JsonSchemaReferenceUtilities.JsonReferenceUpdater.VisitJsonReferenceAsync(IJsonReference reference, String path, String typeNameHint, CancellationToken cancellationToken)
at NJsonSchema.Visitors.AsyncJsonReferenceVisitorBase.VisitAsync(Object obj, String path, String typeNameHint, ISet
1 checkedObjects, Action1 replacer, CancellationToken cancellationToken)at NJsonSchema.Visitors.AsyncJsonReferenceVisitorBase.VisitAsync(Object obj, String path, String typeNameHint, ISet
1 checkedObjects, Action1 replacer, CancellationToken cancellationToken)at NJsonSchema.Visitors.AsyncJsonReferenceVisitorBase.VisitAsync(Object obj, String path, String typeNameHint, ISet
1 checkedObjects, Action1 replacer, CancellationToken cancellationToken)at NJsonSchema.Visitors.AsyncJsonReferenceVisitorBase.VisitAsync(Object obj, String path, String typeNameHint, ISet
1 checkedObjects, Action1 replacer, CancellationToken cancellationToken)at NJsonSchema.Visitors.AsyncJsonReferenceVisitorBase.VisitAsync(Object obj, String path, String typeNameHint, ISet
1 checkedObjects, Action1 replacer, CancellationToken cancellationToken)at NJsonSchema.Visitors.AsyncJsonReferenceVisitorBase.VisitAsync(Object obj, String path, String typeNameHint, ISet
1 checkedObjects, Action1 replacer, CancellationToken cancellationToken)at NJsonSchema.Visitors.AsyncJsonReferenceVisitorBase.VisitAsync(Object obj, String path, String typeNameHint, ISet
1 checkedObjects, Action1 replacer, CancellationToken cancellationToken)at NJsonSchema.Visitors.AsyncJsonReferenceVisitorBase.VisitAsync(Object obj, CancellationToken cancellationToken)
at NJsonSchema.JsonSchemaReferenceUtilities.JsonReferenceUpdater.VisitAsync(Object obj, CancellationToken cancellationToken)
at NJsonSchema.JsonSchemaReferenceUtilities.UpdateSchemaReferencesAsync(Object rootObject, JsonReferenceResolver referenceResolver, IContractResolver contractResolver, CancellationToken cancellationToken)
at NJsonSchema.Infrastructure.JsonSchemaSerialization.FromJsonWithLoaderAsync[T](Func
1 loader, SchemaType schemaType, String documentPath, Func2 referenceResolverFactory, IContractResolver contractResolver, CancellationToken cancellationToken)at NSwag.OpenApiDocument.FromJsonAsync(String data, String documentPath, SchemaType expectedSchemaType, Func`2 referenceResolverFactory, CancellationToken cancellationToken) in //src/NSwag.Core/OpenApiDocument.cs:line 204
at NSwag.OpenApiDocument.FromUrlAsync(String url, CancellationToken cancellationToken) in //src/NSwag.Core/OpenApiDocument.cs:line 236
at NSwag.Commands.InputOutputCommandBase.GetInputSwaggerDocument() in //src/NSwag.Commands/Commands/InputOutputCommandBase.cs:line 47
at NSwag.Commands.CodeGeneration.OpenApiToCSharpClientCommand.RunAsync() in //src/NSwag.Commands/Commands/CodeGeneration/OpenApiToCSharpClientCommand.cs:line 281
at NSwag.Commands.CodeGeneration.OpenApiToCSharpClientCommand.RunAsync(CommandLineProcessor processor, IConsoleHost host) in //src/NSwag.Commands/Commands/CodeGeneration/OpenApiToCSharpClientCommand.cs:line 270
at NConsole.CommandLineProcessor.ProcessSingleAsync(String[] args, Object input)
at NConsole.CommandLineProcessor.ProcessAsync(String[] args, Object input)
at NSwag.Commands.NSwagCommandProcessor.ProcessAsync(String[] args) in //src/NSwag.Commands/NSwagCommandProcessor.cs:line 65
Image screenshot:
Running windows 11, PowerShell 7.4.4,
NSwag version: 14.1.0.0
NJsonSchema version: 11.0.2.0 (Newtonsoft.Json v13.0.0.0)
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