Test and generate API definitions from your browser in seconds. Already on GitHub? To learn more, see our tips on writing great answers. My Swagger endpoint always shows "no content" in the Response Body. The requestBody is more flexible in that it lets you consume different media types, such as JSON, XML, form data, plain text, and others, and use different schemas for different media types. When I return "String" from the REST api, swagger-ui is displaying "no content" in the response body with response code as "0". You do need to support CORS if the request URL and serving URL are not exactly the same. Standardize your APIs with projects, style checks, and reusable domains. Are there developed countries where elected officials can easily terminate government workers? The server might want to return updated meta-information in the form of entity headers, which, if present, SHOULD be applied to the current document's active view if any. The best I can suggest is to use your browser's web console to see the actual request being sent by the UI. Wall shelves, hooks, other wall-mounted things, without drilling? Tried the request on Postman, got expected response. This happens when the request method is a safe method, such as GET or HEAD, or when the request is conditional and uses an If-None-Match or an If-Modified-Since header. When the response is also Json. Simply put, the @RequestBody annotation maps the HttpRequest body to a transfer or domain object, enabling automatic deserialization of the inbound HttpRequest body onto a Java object. For me the problem was, that the @ApiResponse inherited the response type from @ApiOperation. singleObject response; batchArray response "x-ms-trigger": "batch" x-ms-trigger-hint. Not the answer you're looking for? In this sample, the Swashbuckle.AspNetCore the .NET implementation is shown. API editor for designing APIs with the OpenAPI Specification. When clicking Try it Out, I see a correct Request URL, but the Swagger UI returns "no content" in the Response Body, and Response Code 0. You do not have permission to delete messages in this group, Either email addresses are anonymous for this group or you need the view member email addresses permission to view the original message. How could magic slowly be destroying the world? If they are not, you need to enable CORS support in your application. any solution you got. I am facing same issue. Thanks for contributing an answer to Stack Overflow! Each operation must have at least one response defined, usually a successful response. Sign in Found a mistake? I may be a bit late to the party, but the following workaround does the trick for me, in case anyone with the same issue is stumbling across this issue: Based on the issue that you mentioned, I think this issue is related to the image1 and image2 as Query parameter in your action path ("ConvertMe") of your custom connnector. They tell you the type of data being returned, but nothing about the flavor of it. Indefinite article before noun starting with "the". First story where the hero/MC trains a defenseless village against raiders. If someone can tell the reason. Please can any one help. As the default behavior of @ApiOperation is to return the return type of method, so for every status, the return type of method will be returned. You signed in with another tab or window. Firstly, we'll create a ProductService class in which we save a list of products. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, thanks for answering, it solved my issue and saved me, I was working on filter servlet, my issue was I was not setting content-type header, Microsoft Azure joins Collectives on Stack Overflow. springfox-swagger2 2.7.0 io.springfox springfox-swagger-ui 2.7.0 When I return "String" from the REST api, swagger-ui is displaying "no content" in the response body with response code as "0". @ApiResponse(code = 204, message = "identity deleted sucessfully", response = Object.class). It works great out of the box to show other developers the basics of your resources. "Void.class" would seem like the right choice, but this is the default value, thus leading to the inheritance from @ApiOperation. Body and form parameters are replaced with. #2571 Already on GitHub? One of the methods uses PATCH, requests parameters in header and query, but the body must solely contain the file to be uploaded.</p> <p>The swagger definition looks like this:</p> <pre><code> patch: tags: [EdmFileSet] summary: Update entity in EdmFileSet description: Update entity in EdmFileSet operationId . a primitive data type such as a number or string used for plain text responses. Built-With: gradle-3.5, groovy-2.4.10 API URL and Operation URLs can't be changed. Thanks. Can you open your browser debug console and share whatever error is shown there? GET, DELETE and HEAD are no longer allowed to have request body because it does not have defined semantics as per. How can we cool a computer connected on top of or within a human brain? One final note, since you brought it up - I want to be sure you're aware that you can't describe an operation that returns different models based on the mime type. Standardize your APIs with projects, style checks, and reusable domains. Spring automatically deserializes the JSON into a Java type, assuming an appropriate one is specified. I knew that swagger is not able to parse String to JSON. Swagger UI renders the code as HTML, as described above. Add and configure Swagger middleware C# will display the 204 response as though it will produce JSON consisting of {} (an empty object). Unfortunately, it appears that swagger annotations cannot (currently) handle this. Swagger, also known as OpenAPI, solves the problem of generating useful documentation and help pages for Web APIs. Would Marx consider salary workers to be members of the proleteriat? Ask the community I am trying Swagger UI for the first time with my own API. Tried the same request using swagger generated curl request, returned expected response. Perhaps a CORS issue? All Rights Reserved. When clicking Try it Out, I see a correct Request URL (meaning, when pasting it in the browser I get a nice JSON response) but the Swagger UI returns "no content" in the Response Body, and Response Code 0. If you use OpenAPI 2.0, see ourOpenAPI 2.0 guide. How Intuit improves security, latency, and development velocity with a Site Maintenance- Friday, January 20, 2023 02:00 UTC (Thursday Jan 19 9PM Were bringing advertisements for technology courses to Stack Overflow, Swagger UI returns "no content" in the Response Body, and Response Code 0. The text was updated successfully, but these errors were encountered: I can see that removing the 'response = void.class' is the workaround. By clicking Sign up for GitHub, you agree to our terms of service and 2. Well occasionally send you account related emails. services Why did OpenSSH create its own key format, and not use PKCS#8? 10 No Response when consuming a swagger.json with body object parameter Question REST I am trying to consume a swagger.json file. Raw result:" added to response body, Response body is not returning from custom error responses in swagger Swashbuckle, swagger example response not respecting nested allOf, Toggle some bits and get an actual square. In most likelihood, you've set the spec so that it returns a specific content type (say, application/json) but you actually return plain text (like a string or a number). Strange fan/light switch wiring - what in the world am I looking at. Visualize OpenAPI Specification definitions in an interactive UI. None worked. In Swagger terms, the request body is called a body parameter. http://127.0.0.1/~acam0006/swagger-ui/dist/. If you are using .NET Core. Most likely, the swagger-js client inside swagger-ui cannot reach your server. Let us know. The text was updated successfully, but these errors were encountered: The error is real, but misleading. Swagger UI loads the yaml without any problems when I enter the URI into the URI field and click "Explore". On hitting http://xxxxxxxxxx:xxxx/rw/user/v2/api-docs, I got api-docs, swagger version is 2.0 as per the following info: {"swagger":"2.0","info":{"description":"Api Documentation","version":"1.0","title":"Api Documentation","termsOfService":"urn:tos","contact":{},"license":{"name":"Apache 2.0","url":"http://www.apache.org/licenses/LICENSE-2.0"}},"host":"xxxxxxxxxxx}. However, I found it useful to extend Swagger UI with a button to toggle rendering the html inline, so that it is easy to visualize and interact with the response from the server. My By clicking Sign up for GitHub, you agree to our terms of service and Creating the API const image = document.getElementById('target'); // Fetch the . Thanks for watching the video:Subscribe Channel: https://youtube.com/c/StudyAutomation1My Gadgets:MIC:- https://amzn.to/3UQPlaFCamera:- https://amzn.to/3WYs. Did not find what you were looking for? I am using Swagger 2.7.0. OAS 3 This guide is for OpenAPI 3.0. I also tried a liberal crossdomain.xml just to be sure and its ok, I am not producing different models based on mime types. If I see validator badge problem I will open a separate issue. Solved: I get see this in the response in the ui: I was expecting the layout of RETURN inside the object and not just a pair of curly braces. Let us know. I'm guessing that's it--please reopen if not. How to send custom headers with requests in Swagger UI? to your account, In many of the APIs that I'm developing, we have cases where we reporting success does not require a response body (ex: deleting an entity, there is nothing to say if it works since the entity is gone.). Implementation-Title: springfox-swagger-ui But if you re-read my previous message, you'll see that the incorrect schema appears for 204 regardless of whether or not I provide an @ApiResponse#response property. SwaggerUi-Version: 2.2.10. 1 comment Closed Simple string response rendered as "no content" with response code 0. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Next, in ProductController, we define REST APIs to let the users get the list of created products. 2.1. How (un)safe is it to use non-random seed words? First, let's define the Product class: public class Product { String code; String name; // standard getters . Built-By: d_krishnan Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Whenever am trying to use the try now button, swagger shows me no content in the response body, response code '0' and response header as '"error": "no response from server"'. Doing the above does not generate an Apex Class for the 200 response though which appears to cause an error as Salesforce needs to put the {} somewhere. However, it does mean your spec does not match what your API actually does. This should no longer be an issue with the new UI. privacy statement. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. A response is defined by its HTTP status code and the data returned in the response body and/or headers. As it stands, ReDoc, swagger-ui, et al. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Most likely, the swagger-js client inside swagger-ui cannot reach your server. produces is valid only at the root object and at the operation itself. (IIRC 404 already works like this unless you specify a response property for it.). I see this stack overflow question, but not found the solution. I am trying Swagger UI for the first time with my own API. There's currently an issue that produces is not inherited properly in the UI so defining it at the root will not affect the operation itself - swagger-api/swagger-js#138. Mentioned that API's URL is not publicly accessible, but the site that hosts the Swagger UI is in the same network as the site that hosts the API. How can I fix this. Note: The payload of the application/x-www-form-urlencoded and multipart/form-data requests is described by using form parameters, not body parameters. Also I should mention that the "produces" in different places did not break the Swagger UI. We can follow the steps in this article for setting up Swagger 2 with a Spring REST API. To learn about the latest version, visit OpenAPI 3 pages. At least as it behaves on my system no, that is not a workaround. (However, if the string consists only of digits, it seems to display the correct response and response code. For good measure, I also tried putting "produces": ["application/vnd.MyName.v3+json"] in four places: At the root of the swagger.json (where I hope it can be to avoid repetition), under paths: under my specific path /pathToResource: and under the specific verb get:. Springfox 2.7.0 is mapped with Swagger 2.0 (from the above api-docs info). However, in chrome developer tools, the correct request is going and the expected response is showing. Let us know. OAS 2 This page applies to OpenAPI Specification ver. a primitive such as a number or string used for plain text responses. If your app is connected to the internet, you may be able to use http://test-cors.org/ to test it. Design & document all your REST APIs in one collaborative platform. You should add Access-Control-Allow-Origin: * into response headers. A response is defined by its HTTP status code and the data returned in the response body and/or headers. The additional 'produces' shouldn't break the UI, but the validator badge should show you that it is invalid (if not I need to fix that). Looks like you need to enable CORS then. Al tough the server sends a meaningful response text back. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. But the standard responses leave something to be desired. By default, the type we annotate with the . Mentioned that API's URL is not publicly accessible, but the site that hosts the Swagger UI is in the same network as the site that hosts the API. "No response from server" when error occurs, http://xxxxxxxxxx:xxxx/rw/user/v2/api-docs, http://www.apache.org/licenses/LICENSE-2.0"}},"host":"xxxxxxxxxxx}, My application and swagger UI is on the same host, same port, So I don't think there is a CORS issue. Here is a minimal example: Contains a schema definition of a webhook notification request. Depending on the server youre running, it should be simple to configure this. "2.7.0" is the Springfox library version not the Swagger version. By clicking Sign up for GitHub, you agree to our terms of service and Some responses, such as 204 No Content, have no body. Well, they are on the same IP and same Apache server. A swagger:route can specify a response name for a status code and then the matching response will be used for that operation in the swagger definition. The payload was supposed to be: to clear any content that could have already been written in the response before writing my own response. .AddJsonOptions(x => x.SerializerSettings.ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Ignore); Hi Team, It should be a CORS issue. 2.7.0 https://github.com/OAI/OpenAPI-Specification/blob/master/versions/2.0.md#responsesDefinitionsObject, https://github.com/OAI/OpenAPI-Specification/blob/master/versions/2.0.md#responsesObject, https://github.com/OAI/OpenAPI-Specification/blob/master/versions/2.0.md#responseObject, Did not find what you were looking for? When I return "String" from the REST api, swagger-ui is displaying "no content" in the response body with response code as "0". Source: swagger-api/swagger-ui This happens with responses with code 500 and 422 (and maybe others). Maybe that would help. Here is a copy of the request headers: Yes, that's a strong indication that this is a CORS issue. There can be only one body parameter, although the operation may have other parameters (path, query, header). I have tested it with Postman, sending application/json and everything is normal. This behavior of 404 is applicable to 204 status code because the field 'schema' generation is not related to status code, but related to 'response' attribute of the @ApiResponse annotation. Examining the network tab in chrome console, shows that the request made is an OPTIONS request. You mentioned that the application and UI are hosted in the same network. 1 ACCEPTED SOLUTION Ballzer0 Advocate I In response to v-yuxima-msft 06-11-2019 02:56 AM i figured that custom connectors does not like 204 No Content responses. Document incorrect behavior and warn your API documentation's users. There's no such thing as 'Swagger 2.7.0'. @vipingupta5352 Good workaround, but then you end up with a schema referring to Void instead of it being omitted: I've found that specifying void.class for the response type of @ApiOperation will result in the schema block being removed: This doesn't seem to be reproducible in latest version, providing annotations as in example below results in a response without schema : Closing ticket, please reopen if you're still experiencing issues (please provide the version, environment and full annotated code), I have had the same issue with Swagger and springfox-boot-starter version 3.0.0, I could eliminate the displaying of a repsonse body, by annotating the controller method with the following: So I had to override it with something empty. To learn more, see our tips on writing great answers. They need to be hosted on the same port and ip for the UI to run without issues. What are the disadvantages of using a charging station with power banks? The HTTP 304 Not Modified client redirection response code indicates that there is no need to retransmit the requested resources. I have edited my original post to hopefully make it clearer that the incorrect behavior is not dependent on the presence of a response = void.class property. Sign in Already on GitHub? (Basically Dog-people), Indefinite article before noun starting with "the", Will all turbine blades stop moving in the event of a emergency shutdown. Swagger treats no schema as a response without a body. 2023 SmartBear Software. Found the workaround, I don't control the server, but I'll speak to the team that does. Found a mistake? If it does not match any of these patterns, I am returning the latest version, json-encoded. (you can run the sample by executing node static-server.js) This launches a web server on port 8000, and swagger-ui is served up from http://localhost:8000/swagger-ui You can put in any URL to. I am using Swagger UI to document a service, and one of the endpoints returns embeddable content. Visualize OpenAPI Specification definitions in an interactive UI. I knew that swagger is not able to parse String to JSON. rev2023.1.18.43170. By clicking Sign up for GitHub, you agree to our terms of service and springfox-swagger-ui Well occasionally send you account related emails. 2 (fka Swagger). I expect Swagger to have defaults that are the same as a normal browser, and even if it doesn't and it uses application/json as a default, then still the API should work. ( Yes, same port. Here is a minimal example: paths: /ping: get: responses: '200': description: OK OAS 3 This guide is for OpenAPI 3.0. I have tried giving "text/plain" in swagger java file as producer, but no luck. Visualize OpenAPI Specification definitions in an interactive UI. Built-On: ISDV161716L.local/192.168.1.163 Sign in Already on GitHub? How to tell if my LLC's registered agent has resigned? To learn about the latest version, visit OpenAPI 3 pages. Could you observe air-drag on an ISS spacewalk? When I click "Try it out", I get the following results: The curl works on the command line, and the request URI is correct. How to translate the names of the Proto-Indo-European gods and goddesses into Latin? I am facing the same issue, Swagger UI returns "no content" in the Response Body, and Response Code 0, https://github.com/swagger-api/swagger-ui/blob/master/README.md#cors-support, Microsoft Azure joins Collectives on Stack Overflow. I knew that swagger is not able to parse String to JSON. HTTP Status 204 (No Content) indicates that the server has successfully fulfilled the request and that there is no content to send in the response payload body. I am using swagger on the same localhost server as where the web services are located and had the same problem. privacy statement. Describing Responses An API specification needs to specify the responses for all API operations. I am pretty new with swagger and .NET Core. I should mention that this API's URL is not publicly accessible, but the site that hosts the Swagger UI is in the same network as the site that hosts the API, not sure it matters. Server youre running, it appears that swagger is not able to parse string to JSON,! Swashbuckle.Aspnetcore the.NET implementation is shown am not producing different models based on mime types web. That there is no need to be desired also I should mention that the @ ApiResponse inherited the type., if the request on Postman, got expected response Explore '' and whatever... Style checks, and not use PKCS # 8 server as where the services... Without issues to enable CORS support in your application and cookie policy test. Services Why did OpenSSH create its own key format, and reusable domains app is connected the... Chrome developer tools, the swagger-js client inside swagger-ui can not ( currently ) handle this also. Enable CORS support in your application of the application/x-www-form-urlencoded and multipart/form-data requests is by... In one collaborative platform show other developers the basics of your resources Newtonsoft.Json.ReferenceLoopHandling.Ignore ) ; Team. How to translate the names of the Proto-Indo-European gods and goddesses into Latin request body because it mean... Notification request is a minimal example: Contains a schema definition of a webhook request... Be only one body parameter not reach your server & technologists worldwide 2 with spring... As where the web services are located and had the same request using swagger on the localhost. For web APIs the proleteriat I will open a separate issue and generate API definitions from browser... = 204, message = `` identity deleted sucessfully '', response = Object.class..: d_krishnan Sign up for a free GitHub account to open an issue with the OpenAPI Specification ver the. And had the same localhost server as where the web services are located and had the same port IP... For a free GitHub account to open an issue with the design & document all your REST in... Control the server youre running, it appears that swagger annotations can not reach your.... Network tab in chrome developer tools, the swagger-js client inside swagger-ui not! Problem I will open a separate issue specify a response property for it. ) technologists worldwide, visit 3. Youre running, it should be a CORS issue, got expected response a notification! Tell if my LLC 's registered agent has resigned swagger 2 with a spring API! Used for plain text responses swagger generated curl request, returned expected response the data returned in the.... Any of these patterns, I am trying swagger UI to run issues... Consists only of digits, it should be a CORS issue not, you agree our. Stands, ReDoc, swagger-ui, et al into Latin free GitHub account to open an issue and its! Responses for all API operations API operations code 500 and 422 ( and maybe others ) when consuming a with. With power banks 2 this page applies to OpenAPI Specification ver hero/MC trains a defenseless village against raiders version. The @ ApiResponse ( code = 204, message = `` identity deleted sucessfully '', =! Ouropenapi 2.0 guide OpenSSH create its own key format, and one of the box to show other the! But I 'll speak to the Team that does longer allowed to have request body is called body! And same Apache server and multipart/form-data requests is described by using form parameters, not body parameters retransmit the resources. Be desired multipart/form-data requests is described by using form parameters, not body parameters useful documentation and help pages web! ; x-ms-trigger & quot ; batch & quot ;: & quot ; &. Least one response defined, usually a successful response they are not exactly the same IP and same Apache.. 'M guessing that 's a strong indication that this is a copy of proleteriat! Newtonsoft.Json.Referenceloophandling.Ignore ) ; Hi Team, it should be a CORS issue described by using parameters! Crossdomain.Xml just to be members of the application/x-www-form-urlencoded and multipart/form-data requests is described using! Is an OPTIONS request a response is defined by its HTTP status code and the data returned the. Usually a successful response connected on top of or within a human brain:. Server, but I 'll speak to the internet, you agree to our terms of service and 2 my. And the data returned in the response body and/or headers inherited the response body responses! 2.0 guide into a Java type, assuming an appropriate one is specified parameters path. Sends a meaningful response text back object parameter Question REST I am swagger... `` 2.7.0 '' is the springfox library version not the swagger UI loads the yaml any. Contact its maintainers and the community returned in the response type from @ ApiOperation using parameters. A meaningful response text back request headers: Yes, that 's a strong indication that is. Had the same problem am using swagger generated curl request, returned expected response the world am looking... Here is a CORS issue OpenAPI 3 pages Question REST I am returning the latest version, OpenAPI. `` no content & quot ; no content '' in the same IP and same Apache.....Net swagger response body no content defined, usually a successful response ; no content '' in places. Exchange Inc ; user contributions licensed under CC BY-SA pages for web APIs that... Default, the swagger-js client inside swagger-ui can not reach your server the network tab in chrome console shows... Shows `` no content '' in different places did not break the swagger UI renders the code HTML! That the `` produces '' in the same problem to be members the... Can not reach your server 's it -- please reopen if not we save a list of products... Can be only one body parameter, although the operation itself ApiResponse the. Response text back for me the problem was, that is not able to parse string to.... Simple to configure this be able to parse string to JSON a minimal example: Contains a definition., also known as OpenAPI, solves the problem was, that 's --. Style checks, and reusable domains response & quot ; batch & quot ; batch & quot ; no ''! It appears that swagger is not able to parse string to JSON response type from @ ApiOperation that! Correct response and response code indicates that there is no need to enable CORS support in application! Shown there depending on the same network we define REST APIs in one collaborative.. Hero/Mc trains a defenseless village against raiders places did not break the version. Definition of a webhook notification request plain text responses is real, not! I looking at not, you agree to our terms of service and 2 the HTTP not. Request using swagger generated curl request, returned expected response is showing swagger.json file header ),! Just to be sure and its ok, I am pretty new with 2.0... Returned in the response body and/or headers I have swagger response body no content it with Postman, application/json... Support CORS if the string consists only of digits, it should be Simple to configure this village against.. Help pages for web APIs not ( currently ) swagger response body no content this mentioned that application... As a response is defined by its HTTP status code and the community x = > x.SerializerSettings.ReferenceLoopHandling Newtonsoft.Json.ReferenceLoopHandling.Ignore. Technologists share private knowledge with coworkers, reach developers & technologists worldwide your Answer, you agree to terms... Me the problem of generating useful documentation and help pages for web APIs rendered as quot! Site design / logo 2023 Stack Exchange Inc ; user contributions licensed under CC.... Top of or within a human brain endpoint always shows `` no content '' in different places not. ( however, if the string consists only of digits, it seems to the... Request headers: Yes, that the application and UI are hosted in the response and/or... One response defined, usually a successful response what in the same IP and same Apache server 2... To run without issues should no longer be an issue and contact its maintainers the! Response defined, usually a successful response did not break the swagger UI for the swagger response body no content reach server... Swagger terms, the swagger-js client inside swagger-ui can not reach your server client inside swagger-ui can not your! Code and the data returned in the response body and/or headers specify the responses all! Into a Java type, assuming an appropriate one is specified control the server, but misleading not to. Uri field and click `` Explore '' can not reach your server it behaves on my system,. Swagger Java file as producer, but misleading into response headers can we cool a computer connected on of! Correct response and response code 0 APIs in one collaborative platform to parse string to JSON that this a... Of digits, it does mean your spec does not have defined semantics per... Different places did not swagger response body no content the swagger version not reach your server code 0 2.0 guide API and. Swagger.Json file API editor for designing APIs with projects, style checks, and not use PKCS #?... 204, message = `` identity deleted sucessfully '', response = Object.class ) as per box to other. Request made is an OPTIONS request have at least as it stands, ReDoc, swagger-ui, al. '' is the springfox library version not the swagger UI shelves, hooks, other wall-mounted things without! Knowledge with coworkers, reach developers & technologists worldwide open a separate issue response text back not what! Request URL and operation URLs can & # x27 ; t be changed: * into headers. Not ( currently ) handle this 'Swagger 2.7.0 ' browse other questions tagged, developers! Giving & quot ; x-ms-trigger-hint using form parameters, not body parameters ; batch & quot ;..