Lightrun
question-mark
Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

Unable to infer base url... springfox-swagger2 version 2.9.2

See original GitHub issue
  • Version of springfox-swagger that I am using Download

What kind of issue is this? Project structure: SwaggerConfig is in automate.api.config.swagger.SwaggerConfiguration Auth Config is in automate.api.web.auth.keycloak.FalconKeycloakConfigurerAdapter

image

dependencies

As for Spring Boot

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.3.RELEASE</version>
        <relativePath/>
    </parent>

As for swagger

<dependency>
  <groupId>io.springfox</groupId>
  <artifactId>springfox-swagger2</artifactId>
  <version>${spring.springfox-swagger2.version}</version>
</dependency>
<dependency>
  <groupId>io.springfox</groupId>
  <artifactId>springfox-swagger-ui</artifactId>
  <version>${spring.springfox-swagger2.version}</version>
</dependency>

Swagger 2 config

@Configuration
@EnableSwagger2
public class SwaggerConfiguration {
    @Bean
    public Docket api() {
        return new Docket(DocumentationType.SWAGGER_2)
                .select()
                .apis(RequestHandlerSelectors.any())
                .paths(PathSelectors.any())
                .build()
               .pathMapping("/");
    }
}

Security config

@Override
  protected void configureAccessRules(final HttpSecurity http) throws Exception {
    http.csrf()
        .disable()
        .authorizeRequests()
        .antMatchers("/actuator/health")
        .permitAll()
       .antMatchers(HttpMethod.GET,
                    "/v2/api-docs",
                    "/swagger-resources/**",
                    "/swagger-ui.html**",
                    "/webjars/**",
                    "favicon.ico")
            .permitAll();
  }

Example for one of my controllers All of my controllers mapped like /api/...

@RestController
@RequestMapping(value = "/api", produces = MediaType.APPLICATION_JSON_UTF8_VALUE)
public class ExampleResource {
    private ExampleFacade catalog;

    @Autowired
    public ExampleResource(ExampleFacade catalog) {
        this.catalog = catalog;
    }

    @RequestMapping(method = RequestMethod.GET, value = "/examples")
    public List<ExampleDTO> index() {
        return catalog.listExamples();
    }
}

ISSUE

/v2/api-docs works perfectly, I get back all of my endpoints with their details /swagger-ui.html gives me back a pop up that shows “Unable to infer base url…”

Then I turned on the TRACE log level on my spring-boot app, like

logging:
  level:
    org:
      springframework:
        web: TRACE

My logs looks like:

[2019-05-24 14:16:41] TRACE [nio-8080-exec-1] o.s.w.s.DispatcherServlet GET "/swagger-ui.html", parameters={}, headers={masked} in DispatcherServlet 'dispatcherServlet'
[2019-05-24 14:16:41] TRACE [nio-8080-exec-1] o.s.w.s.h.SimpleUrlHandlerMapping Mapped to HandlerExecutionChain with [ResourceHttpRequestHandler ["classpath:/META-INF/resources/", "classpath:/resources/", "classpath:/static/", "classpath:/public/", "/"]] and 5 interceptors
[2019-05-24 14:16:41] TRACE [nio-8080-exec-1] o.s.w.s.DispatcherServlet No view rendering, null ModelAndView returned.
[2019-05-24 14:16:41] DEBUG [nio-8080-exec-1] o.s.w.s.DispatcherServlet Completed 200 OK, headers={masked}
[2019-05-24 14:16:41] TRACE [nio-8080-exec-2] o.s.w.s.DispatcherServlet GET "/webjars/springfox-swagger-ui/springfox.css?v=2.9.2", parameters={masked}, headers={masked} in DispatcherServlet 'dispatcherServlet'
[2019-05-24 14:16:41] TRACE [nio-8080-exec-3] o.s.w.s.DispatcherServlet GET "/webjars/springfox-swagger-ui/swagger-ui.css?v=2.9.2", parameters={masked}, headers={masked} in DispatcherServlet 'dispatcherServlet'
[2019-05-24 14:16:41] TRACE [nio-8080-exec-2] o.s.w.s.h.SimpleUrlHandlerMapping Matching patterns [/webjars/**, /**]
[2019-05-24 14:16:41] TRACE [nio-8080-exec-2] o.s.w.s.h.SimpleUrlHandlerMapping Mapped to HandlerExecutionChain with [ResourceHttpRequestHandler ["classpath:/META-INF/resources/webjars/"]] and 5 interceptors
[2019-05-24 14:16:41] TRACE [nio-8080-exec-3] o.s.w.s.h.SimpleUrlHandlerMapping Matching patterns [/webjars/**, /**]
[2019-05-24 14:16:41] TRACE [nio-8080-exec-3] o.s.w.s.h.SimpleUrlHandlerMapping Mapped to HandlerExecutionChain with [ResourceHttpRequestHandler ["classpath:/META-INF/resources/webjars/"]] and 5 interceptors
[2019-05-24 14:16:41] TRACE [nio-8080-exec-2] o.s.w.s.DispatcherServlet No view rendering, null ModelAndView returned.
[2019-05-24 14:16:41] DEBUG [nio-8080-exec-2] o.s.w.s.DispatcherServlet Completed 200 OK, headers={masked}
[2019-05-24 14:16:41] TRACE [nio-8080-exec-4] o.s.w.s.DispatcherServlet GET "/webjars/springfox-swagger-ui/swagger-ui-bundle.js?v=2.9.2", parameters={masked}, headers={masked} in DispatcherServlet 'dispatcherServlet'
[2019-05-24 14:16:41] TRACE [nio-8080-exec-3] o.s.w.s.DispatcherServlet No view rendering, null ModelAndView returned.
[2019-05-24 14:16:41] DEBUG [nio-8080-exec-3] o.s.w.s.DispatcherServlet Completed 200 OK, headers={masked}
[2019-05-24 14:16:41] TRACE [nio-8080-exec-4] o.s.w.s.h.SimpleUrlHandlerMapping Matching patterns [/webjars/**, /**]
[2019-05-24 14:16:41] TRACE [nio-8080-exec-4] o.s.w.s.h.SimpleUrlHandlerMapping Mapped to HandlerExecutionChain with [ResourceHttpRequestHandler ["classpath:/META-INF/resources/webjars/"]] and 5 interceptors
[2019-05-24 14:16:41] TRACE [nio-8080-exec-5] o.s.w.s.DispatcherServlet GET "/webjars/springfox-swagger-ui/swagger-ui-standalone-preset.js?v=2.9.2", parameters={masked}, headers={masked} in DispatcherServlet 'dispatcherServlet'
[2019-05-24 14:16:41] TRACE [nio-8080-exec-6] o.s.w.s.DispatcherServlet GET "/webjars/springfox-swagger-ui/springfox.js?v=2.9.2", parameters={masked}, headers={masked} in DispatcherServlet 'dispatcherServlet'
[2019-05-24 14:16:41] TRACE [nio-8080-exec-5] o.s.w.s.h.SimpleUrlHandlerMapping Matching patterns [/webjars/**, /**]
[2019-05-24 14:16:41] TRACE [nio-8080-exec-5] o.s.w.s.h.SimpleUrlHandlerMapping Mapped to HandlerExecutionChain with [ResourceHttpRequestHandler ["classpath:/META-INF/resources/webjars/"]] and 5 interceptors
[2019-05-24 14:16:41] TRACE [nio-8080-exec-6] o.s.w.s.h.SimpleUrlHandlerMapping Matching patterns [/webjars/**, /**]
[2019-05-24 14:16:41] TRACE [nio-8080-exec-6] o.s.w.s.h.SimpleUrlHandlerMapping Mapped to HandlerExecutionChain with [ResourceHttpRequestHandler ["classpath:/META-INF/resources/webjars/"]] and 5 interceptors
[2019-05-24 14:16:41] TRACE [nio-8080-exec-6] o.s.w.s.DispatcherServlet No view rendering, null ModelAndView returned.
[2019-05-24 14:16:41] DEBUG [nio-8080-exec-6] o.s.w.s.DispatcherServlet Completed 200 OK, headers={masked}
[2019-05-24 14:16:41] TRACE [nio-8080-exec-5] o.s.w.s.DispatcherServlet No view rendering, null ModelAndView returned.
[2019-05-24 14:16:41] DEBUG [nio-8080-exec-5] o.s.w.s.DispatcherServlet Completed 200 OK, headers={masked}
[2019-05-24 14:16:41] TRACE [nio-8080-exec-4] o.s.w.s.DispatcherServlet No view rendering, null ModelAndView returned.
[2019-05-24 14:16:41] DEBUG [nio-8080-exec-4] o.s.w.s.DispatcherServlet Completed 200 OK, headers={masked}
[2019-05-24 14:16:41] TRACE [nio-8080-exec-7] o.s.w.s.DispatcherServlet GET "/swagger-resources/configuration/ui", parameters={}, headers={masked} in DispatcherServlet 'dispatcherServlet'
[2019-05-24 14:16:41] TRACE [nio-8080-exec-7] o.s.w.s.m.m.a.RequestMappingHandlerMapping Mapped to public org.springframework.http.ResponseEntity<springfox.documentation.swagger.web.UiConfiguration> springfox.documentation.swagger.web.ApiResourceController.uiConfiguration()
[2019-05-24 14:16:41] TRACE [nio-8080-exec-7] o.s.w.s.m.m.a.ServletInvocableHandlerMethod Arguments: []
[2019-05-24 14:16:41] DEBUG [nio-8080-exec-7] o.s.w.s.m.m.a.HttpEntityMethodProcessor Using 'application/json', given [application/json] and supported [application/json, application/*+json, application/json, application/*+json]
[2019-05-24 14:16:41] TRACE [nio-8080-exec-7] o.s.w.s.m.m.a.HttpEntityMethodProcessor Writing [BaseView(data=springfox.documentation.swagger.web.UiConfiguration@735d600f)]
[2019-05-24 14:16:41] TRACE [nio-8080-exec-7] o.s.w.s.DispatcherServlet No view rendering, null ModelAndView returned.
[2019-05-24 14:16:41] DEBUG [nio-8080-exec-7] o.s.w.s.DispatcherServlet Completed 200 OK, headers={masked}
[2019-05-24 14:16:41] TRACE [nio-8080-exec-8] o.s.w.s.DispatcherServlet GET "/swagger-resources/configuration/security", parameters={}, headers={masked} in DispatcherServlet 'dispatcherServlet'
[2019-05-24 14:16:41] TRACE [nio-8080-exec-8] o.s.w.s.m.m.a.RequestMappingHandlerMapping Mapped to public org.springframework.http.ResponseEntity<springfox.documentation.swagger.web.SecurityConfiguration> springfox.documentation.swagger.web.ApiResourceController.securityConfiguration()
[2019-05-24 14:16:41] TRACE [nio-8080-exec-8] o.s.w.s.m.m.a.ServletInvocableHandlerMethod Arguments: []
[2019-05-24 14:16:41] DEBUG [nio-8080-exec-8] o.s.w.s.m.m.a.HttpEntityMethodProcessor Using 'application/json', given [application/json] and supported [application/json, application/*+json, application/json, application/*+json]
[2019-05-24 14:16:41] TRACE [nio-8080-exec-8] o.s.w.s.m.m.a.HttpEntityMethodProcessor Writing [BaseView(data=springfox.documentation.swagger.web.SecurityConfiguration@250a3a2f)]
[2019-05-24 14:16:41] TRACE [nio-8080-exec-8] o.s.w.s.DispatcherServlet No view rendering, null ModelAndView returned.
[2019-05-24 14:16:41] DEBUG [nio-8080-exec-8] o.s.w.s.DispatcherServlet Completed 200 OK, headers={masked}
[2019-05-24 14:16:41] TRACE [nio-8080-exec-9] o.s.w.s.DispatcherServlet GET "/swagger-resources", parameters={}, headers={masked} in DispatcherServlet 'dispatcherServlet'
[2019-05-24 14:16:41] TRACE [nio-8080-exec-9] o.s.w.s.m.m.a.RequestMappingHandlerMapping Mapped to public org.springframework.http.ResponseEntity<java.util.List<springfox.documentation.swagger.web.SwaggerResource>> springfox.documentation.swagger.web.ApiResourceController.swaggerResources()
[2019-05-24 14:16:41] TRACE [nio-8080-exec-9] o.s.w.s.m.m.a.ServletInvocableHandlerMethod Arguments: []
[2019-05-24 14:16:41] DEBUG [nio-8080-exec-9] o.s.w.s.m.m.a.HttpEntityMethodProcessor Using 'application/json', given [application/json] and supported [application/json, application/*+json, application/json, application/*+json]
[2019-05-24 14:16:41] TRACE [nio-8080-exec-9] o.s.w.s.m.m.a.HttpEntityMethodProcessor Writing [BaseView(data=[springfox.documentation.swagger.web.SwaggerResource@54d9c9ca])]
[2019-05-24 14:16:41] TRACE [nio-8080-exec-9] o.s.w.s.DispatcherServlet No view rendering, null ModelAndView returned.
[2019-05-24 14:16:41] DEBUG [nio-8080-exec-9] o.s.w.s.DispatcherServlet Completed 200 OK, headers={masked}

image

Please, help me ! 😃

Issue Analytics

  • State:closed
  • Created 4 years ago
  • Comments:10 (2 by maintainers)

github_iconTop GitHub Comments

4reactions
stale[bot]commented, Jun 24, 2020

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

1reaction
dilipkrishcommented, Jul 3, 2020

This issue is fixed in 3.0.0 which will be released shortly. Also please note changes coming in the next release as regards swagger-ui #3360

Read more comments on GitHub >

github_iconTop Results From Across the Web

Why does springfox-swagger2 UI tell me "Unable to infer base ...
In my case I am deploying our springboot(2.1.2) with swagger2(2.9.2) application as war file in tomcat8.5 and getting the same error.
Read more >
Unable to infer base url in Swagger 2.9.2-eclipse
If you are running spring app with embedded tomcat then you need to define servlet context path. Just add below line in your...
Read more >
[SpringFox Error] Unable to infer base url - Taogen's Blog
I want to use Swagger with Spring Boot, but the Swagger-UI can't work. Following it's my code. pom.xml. 1 2 3 4 5...
Read more >
Spring – Unable to infer base url. This is common when using ...
Spring – Unable to infer base url. This is common when using dynamic servlet registration or when the API is behind an API...
Read more >
SpringBoot 整合Swagger2 - Seepine's Blog
SpringBoot 整合Swagger2 实现在线接口文档，以及最常见问题Unable to infer base url.的解决办法.
Read more >

github_iconTop Related Medium Post

No results found

github_iconTop Related StackOverflow Question

No results found

github_iconTroubleshoot Live Code

Lightrun enables developers to add logs, metrics and snapshots to live code - no restarts or redeploys required.
Start Free

github_iconTop Related Reddit Thread

No results found

github_iconTop Related Hackernoon Post

No results found

github_iconTop Related Tweet

No results found

github_iconTop Related Dev.to Post

No results found

github_iconTop Related Hashnode Post

No results found
Previous page

After making changes in ObjectMapper, Swagger Ui prompts "Unable to infer base url"

Next page

CachingModelPropertiesProvider - NullPointerException after lazy load configuration