Why Swashbuckle.aspnet.core.swagger not being recognized

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I've installed though nuget package manager the Swashbuckle.AspNetCore.Swagger and had included the using Swashbuckle.AspNetCore.Swagger on the top, but I get error on the Info{ Title} methods. Can anyone please suggest how to solve this issue.

 services.AddSwaggerGen(c =>
                c.SwaggerDoc("v1", new Info { Title = "My DAB API", Version = "V3.2.2" });

I find Solution.

For version 5

using Microsoft.OpenApi.Models;

services.AddSwaggerGen(c =>
    c.SwaggerDoc("v1", new OpenApiInfo { Title = "My API", Version = "v1" });

Swashbuckle.AspNetCore not working with new release of .netcore , AspNetCore not working with new release of .netcore 3.0 as of 09/25 #1275 swagger is not on net core 3.0 have been used within a class library targeting netstandard2.1 which does not seems to be supported by now ?!? Swagger UI page does not show when using Swashbuckle.AspNetCore for .net core web api stateless service in Azure Service Fabric #483 Closed rudeGit opened this issue Sep 12, 2017 · 8 comments

If you are using DotnetCore (>= 3.0) Make sure you are using Pre-Release (as of now Dec-19) of Swashbuckle.AspNetCore package which is -Version 5.0.0-rc4. I mistakenly installed the latest stable version 4.0.1 in which Microsoft.OpenApi.Models was missing.

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Swagger UI page does not show when using Swashbuckle , Swagger UI page does not show when using Swashbuckle.AspNetCore for .net core web api stateless service in Azure Service Fabric #483. The following example works for me (including automatic encoding of credentials). It's worth noting that this type of question is related to understanding the Swagger specification, and how to express certain API behaviors with it, as opposed to Swashbuckle itself.

I had same issue in ASP.NET Core 2.1 web api but I have resolved issue by first installing the lower version of package & upgrading it version by version

Swashbuckle.AspNetCore 2.1.0 and then after I have upgraded the package version by version until I got the same error but I haven't received same error again even upgrading till swashbuckle.AspNetCore 5.0.0-rc2 & its now working properly with following configuration

Use namespace as following because Info class is not more used in latest version of swagger instead of OpenApiInfo class used to describe about swagger metadata

using Microsoft.OpenApi.Models;

then use the following code in Startup.cs class under the ConfigureServices method

 services.AddSwaggerGen(c =>
            c.SwaggerDoc("v1", new OpenApiInfo { Title = "www.compilemode.com", Version = "v1" });

This is very strange resolution but this is the only work around I have found after spending lots of time.

Why Swashbuckle.aspnet.core.swagger not being recognized, swashbuckle.aspnetcore github asp.net core swagger not working ioperationfilter swagger .net core 3 swagger failed to load api definition swaggerresponse  I see, but that did not help - clean, rebuild did not help. manually removed all "bin" and "obj" folders but still nothing helped me. This issue happened after upgrading your package from 5.0.0-rc4 to 5.0.0

Uninstall package Swashbuckle.AspNetCore.Swagger and try this package Swashbuckle.AspNetCore.SwaggerGen.

cannot convert from 'Microsoft.OpenApi.Models.OpenApiInfo', How can we stop failing the users who we actually want to join, and remain… Linked. 8 · Why Swashbuckle.aspnet.core.swagger not being recognized  I added Swashbuckle to my ASP.NET Core project (install-package swashbuckle -pre), and its default behavior is working correctly. Now I would like to try a custom GroupActionsBy as shown in this example.

Well, I found the solution, Finally. I installed Swashbuckle.AspNetCore version 4.0.1. Obviously it wasn't working with the latest version which is 5.

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Swashbuckle.AspNetCore, In addition to its Swagger 2.0 and OpenAPI 3.0 generator, Swashbuckle also will not be represented in ApiExplorer, which means Swashbuckle won't be able to AspNetCore "metapackage" and will work together seamlessly (see Getting Aspnetcore cli not able to recognize private nuget feed reference and failed to​  This ability to recognize and communicate media and devices is referred to as the "HDMI handshake." If the handshake doesn't work, that means the HDCP encryption embedded in the HDMI signal is not recognized by one or more of the connected devices. This usually results in you not being able to watch your movies or play your video games.

  • If need Contact inside of OpenApiInfo then it too needs to be OpenApiContact -> new OpenApiContact { Contact = new OpenApiContact { Name = "", Email = "" }}
  • This comes from version 5.0.0 and above (not by upgrading it version by version). More info here : stackoverflow.com/a/58975118/244916