Spring integration spring集成：Webflux inboundGateway未映射到请求

我使用/sse webflux资源设置了一个示例应用程序，该资源生成文本/事件流

当我尝试使用curl调用资源时，当我请求时没有Accept标头，得到404，当我请求时有Accept标头，得到406，如下所示：

curl -v http://localhost:8080/events
curl -H "Accept: text/event-stream" -v http://localhost:8080/events

到目前为止我还不能让它工作

我为

Webflux.inboundGateway

使用以下示例代码（与其他工作正常的

Http.inboundGateway

流一起使用）：

在我的pom.xml中，我有以下与webflux相关的依赖项：

<dependency>
  <groupId>org.springframework.integration</groupId>
  <artifactId>spring-integration-webflux</artifactId>
</dependency>
<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-webflux</artifactId>
</dependency>

现在来看有趣的部分。在下面的调试日志中，您可以看到应用程序显然不考虑

WebfluxIntegrationRequestMappingHandlerMapping

，而只考虑其他handlermapping。因此，它选择ResourceHttpRequestHandler

在没有Accept标头的情况下调用时会发生这种情况：

2018-05-04 15:59:12.281 DEBUG 36196 --- [nio-8080-exec-3] o.s.b.w.s.f.OrderedRequestContextFilter  : Bound request context to thread: org.apache.catalina.connector.RequestFacade@6b1c36b4
2018-05-04 15:59:12.281 DEBUG 36196 --- [nio-8080-exec-3] o.s.web.servlet.DispatcherServlet        : DispatcherServlet with name 'dispatcherServlet' processing GET request for [/sse]
2018-05-04 15:59:12.281 DEBUG 36196 --- [nio-8080-exec-3] s.w.s.m.m.a.RequestMappingHandlerMapping : Looking up handler method for path /sse
2018-05-04 15:59:12.281 DEBUG 36196 --- [nio-8080-exec-3] s.w.s.m.m.a.RequestMappingHandlerMapping : Did not find handler method for [/sse]
2018-05-04 15:59:12.281 DEBUG 36196 --- [nio-8080-exec-3] .IntegrationRequestMappingHandlerMapping : Looking up handler method for path /sse
2018-05-04 15:59:12.282 DEBUG 36196 --- [nio-8080-exec-3] .IntegrationRequestMappingHandlerMapping : Did not find handler method for [/sse]
2018-05-04 15:59:12.282 DEBUG 36196 --- [nio-8080-exec-3] o.s.w.s.handler.SimpleUrlHandlerMapping  : Matching patterns for request [/sse] are [/**]
2018-05-04 15:59:12.282 DEBUG 36196 --- [nio-8080-exec-3] o.s.w.s.handler.SimpleUrlHandlerMapping  : URI Template variables for request [/sse] are {}
2018-05-04 15:59:12.282 DEBUG 36196 --- [nio-8080-exec-3] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapping [/sse] to HandlerExecutionChain with handler [ResourceHttpRequestHandler [locations=[class path resource [META-INF/resources/], class path resource [resources/], class path resource [static/], class path resource [public/], ServletContext resource [/]], resolvers=[org.springframework.web.servlet.resource.PathResourceResolver@2b3f154f]]] and 1 interceptor
2018-05-04 15:59:12.282 DEBUG 36196 --- [nio-8080-exec-3] o.s.web.servlet.DispatcherServlet        : Last-Modified value for [/sse] is: -1
2018-05-04 15:59:12.282 DEBUG 36196 --- [nio-8080-exec-3] o.s.web.servlet.DispatcherServlet        : Null ModelAndView returned to DispatcherServlet with name 'dispatcherServlet': assuming HandlerAdapter completed request handling
2018-05-04 15:59:12.283 DEBUG 36196 --- [nio-8080-exec-3] o.s.web.servlet.DispatcherServlet        : Successfully completed request
2018-05-04 15:59:12.283 DEBUG 36196 --- [nio-8080-exec-3] o.s.b.w.s.f.OrderedRequestContextFilter  : Cleared thread-bound request context: org.apache.catalina.connector.RequestFacade@6b1c36b4
2018-05-04 15:59:12.283 DEBUG 36196 --- [nio-8080-exec-3] o.s.web.servlet.DispatcherServlet        : DispatcherServlet with name 'dispatcherServlet' processing GET request for [/error]
2018-05-04 15:59:12.283 DEBUG 36196 --- [nio-8080-exec-3] s.w.s.m.m.a.RequestMappingHandlerMapping : Looking up handler method for path /error
2018-05-04 15:59:12.283 DEBUG 36196 --- [nio-8080-exec-3] s.w.s.m.m.a.RequestMappingHandlerMapping : Returning handler method [public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController.error(javax.servlet.http.HttpServletRequest)]
2018-05-04 15:59:12.284 DEBUG 36196 --- [nio-8080-exec-3] o.s.b.f.s.DefaultListableBeanFactory     : Returning cached instance of singleton bean 'basicErrorController'
2018-05-04 15:59:12.284 DEBUG 36196 --- [nio-8080-exec-3] o.s.web.servlet.DispatcherServlet        : Last-Modified value for [/error] is: -1
2018-05-04 15:59:12.286 DEBUG 36196 --- [nio-8080-exec-3] o.s.w.s.m.m.a.HttpEntityMethodProcessor  : Written [{timestamp=Fri May 04 15:59:12 CEST 2018, status=404, error=Not Found, message=No message available, path=/sse}] as "application/json" using [org.springframework.http.converter.json.MappingJackson2HttpMessageConverter@7d49dc3e]
2018-05-04 15:59:12.286 DEBUG 36196 --- [nio-8080-exec-3] o.s.web.servlet.DispatcherServlet        : Null ModelAndView returned to DispatcherServlet with name 'dispatcherServlet': assuming HandlerAdapter completed request handling
2018-05-04 15:59:12.286 DEBUG 36196 --- [nio-8080-exec-3] o.s.web.servlet.DispatcherServlet        : Successfully completed request

---

为什么Spring没有考虑<代码> WebFruxItsisialReopestMapping手绘映射< /代码>？或者这里还有什么问题？

您必须决定是运行反应式应用程序还是mvc应用程序。当spring boot starter web和spring boot starter webflux都定义为类路径上的依赖项时，spring boot默认配置spring MVC应用程序。那是我的问题

我必须删除SpringBootStarterWeb和SpringIntegrationHTTP，这样SpringBoot才能启动Netty，而不是Tomcat。另一种方法是明确地告诉Spring这样做：

public static void main(String[] args) {
    SpringApplication application = new SpringApplication(WebfluxApplication.class);
    application.setWebApplicationType(WebApplicationType.REACTIVE);
    application.run(WebfluxApplication.class, args);
}

在一个应用程序中混合使用spring integration http和spring integration webflux webflux.inboundGateway似乎是不可能的，您必须创建两个独立的应用程序，一个启动Tomcat以处理servlet请求，另一个启动Netty

如果您不想切换到反应式应用程序，可能的解决方法： 演示如何将传入的http帖子路由到反应式发布服务器，并使用SSE通过@GetMapping MVC资源将其作为事件提供

---

另请参阅。

我仍然想知道：如果我不使用Netty，但使用Tomcat，是否可以创建一个允许同时使用Http.inboundGateway和WebFlux inboundGateway的Spring引导应用程序？

2018-05-04 15:59:12.281 DEBUG 36196 --- [nio-8080-exec-3] o.s.b.w.s.f.OrderedRequestContextFilter  : Bound request context to thread: org.apache.catalina.connector.RequestFacade@6b1c36b4
2018-05-04 15:59:12.281 DEBUG 36196 --- [nio-8080-exec-3] o.s.web.servlet.DispatcherServlet        : DispatcherServlet with name 'dispatcherServlet' processing GET request for [/sse]
2018-05-04 15:59:12.281 DEBUG 36196 --- [nio-8080-exec-3] s.w.s.m.m.a.RequestMappingHandlerMapping : Looking up handler method for path /sse
2018-05-04 15:59:12.281 DEBUG 36196 --- [nio-8080-exec-3] s.w.s.m.m.a.RequestMappingHandlerMapping : Did not find handler method for [/sse]
2018-05-04 15:59:12.281 DEBUG 36196 --- [nio-8080-exec-3] .IntegrationRequestMappingHandlerMapping : Looking up handler method for path /sse
2018-05-04 15:59:12.282 DEBUG 36196 --- [nio-8080-exec-3] .IntegrationRequestMappingHandlerMapping : Did not find handler method for [/sse]
2018-05-04 15:59:12.282 DEBUG 36196 --- [nio-8080-exec-3] o.s.w.s.handler.SimpleUrlHandlerMapping  : Matching patterns for request [/sse] are [/**]
2018-05-04 15:59:12.282 DEBUG 36196 --- [nio-8080-exec-3] o.s.w.s.handler.SimpleUrlHandlerMapping  : URI Template variables for request [/sse] are {}
2018-05-04 15:59:12.282 DEBUG 36196 --- [nio-8080-exec-3] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapping [/sse] to HandlerExecutionChain with handler [ResourceHttpRequestHandler [locations=[class path resource [META-INF/resources/], class path resource [resources/], class path resource [static/], class path resource [public/], ServletContext resource [/]], resolvers=[org.springframework.web.servlet.resource.PathResourceResolver@2b3f154f]]] and 1 interceptor
2018-05-04 15:59:12.282 DEBUG 36196 --- [nio-8080-exec-3] o.s.web.servlet.DispatcherServlet        : Last-Modified value for [/sse] is: -1
2018-05-04 15:59:12.282 DEBUG 36196 --- [nio-8080-exec-3] o.s.web.servlet.DispatcherServlet        : Null ModelAndView returned to DispatcherServlet with name 'dispatcherServlet': assuming HandlerAdapter completed request handling
2018-05-04 15:59:12.283 DEBUG 36196 --- [nio-8080-exec-3] o.s.web.servlet.DispatcherServlet        : Successfully completed request
2018-05-04 15:59:12.283 DEBUG 36196 --- [nio-8080-exec-3] o.s.b.w.s.f.OrderedRequestContextFilter  : Cleared thread-bound request context: org.apache.catalina.connector.RequestFacade@6b1c36b4
2018-05-04 15:59:12.283 DEBUG 36196 --- [nio-8080-exec-3] o.s.web.servlet.DispatcherServlet        : DispatcherServlet with name 'dispatcherServlet' processing GET request for [/error]
2018-05-04 15:59:12.283 DEBUG 36196 --- [nio-8080-exec-3] s.w.s.m.m.a.RequestMappingHandlerMapping : Looking up handler method for path /error
2018-05-04 15:59:12.283 DEBUG 36196 --- [nio-8080-exec-3] s.w.s.m.m.a.RequestMappingHandlerMapping : Returning handler method [public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController.error(javax.servlet.http.HttpServletRequest)]
2018-05-04 15:59:12.284 DEBUG 36196 --- [nio-8080-exec-3] o.s.b.f.s.DefaultListableBeanFactory     : Returning cached instance of singleton bean 'basicErrorController'
2018-05-04 15:59:12.284 DEBUG 36196 --- [nio-8080-exec-3] o.s.web.servlet.DispatcherServlet        : Last-Modified value for [/error] is: -1
2018-05-04 15:59:12.286 DEBUG 36196 --- [nio-8080-exec-3] o.s.w.s.m.m.a.HttpEntityMethodProcessor  : Written [{timestamp=Fri May 04 15:59:12 CEST 2018, status=404, error=Not Found, message=No message available, path=/sse}] as "application/json" using [org.springframework.http.converter.json.MappingJackson2HttpMessageConverter@7d49dc3e]
2018-05-04 15:59:12.286 DEBUG 36196 --- [nio-8080-exec-3] o.s.web.servlet.DispatcherServlet        : Null ModelAndView returned to DispatcherServlet with name 'dispatcherServlet': assuming HandlerAdapter completed request handling
2018-05-04 15:59:12.286 DEBUG 36196 --- [nio-8080-exec-3] o.s.web.servlet.DispatcherServlet        : Successfully completed request

2018-05-05 07:47:19.356 DEBUG 36196 --- [nio-8080-exec-1] o.s.b.w.s.f.OrderedRequestContextFilter  : Bound request context to thread: org.apache.catalina.connector.RequestFacade@6b1c36b4
2018-05-05 07:47:19.357 DEBUG 36196 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : DispatcherServlet with name 'dispatcherServlet' processing GET request for [/sse]
2018-05-05 07:47:19.357 DEBUG 36196 --- [nio-8080-exec-1] s.w.s.m.m.a.RequestMappingHandlerMapping : Looking up handler method for path /sse
2018-05-05 07:47:19.357 DEBUG 36196 --- [nio-8080-exec-1] s.w.s.m.m.a.RequestMappingHandlerMapping : Did not find handler method for [/sse]
2018-05-05 07:47:19.357 DEBUG 36196 --- [nio-8080-exec-1] .IntegrationRequestMappingHandlerMapping : Looking up handler method for path /sse
2018-05-05 07:47:19.357 DEBUG 36196 --- [nio-8080-exec-1] .IntegrationRequestMappingHandlerMapping : Did not find handler method for [/sse]
2018-05-05 07:47:19.357 DEBUG 36196 --- [nio-8080-exec-1] o.s.w.s.handler.SimpleUrlHandlerMapping  : Matching patterns for request [/sse] are [/**]
2018-05-05 07:47:19.357 DEBUG 36196 --- [nio-8080-exec-1] o.s.w.s.handler.SimpleUrlHandlerMapping  : URI Template variables for request [/sse] are {}
2018-05-05 07:47:19.357 DEBUG 36196 --- [nio-8080-exec-1] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapping [/sse] to HandlerExecutionChain with handler [ResourceHttpRequestHandler [locations=[class path resource [META-INF/resources/], class path resource [resources/], class path resource [static/], class path resource [public/], ServletContext resource [/]], resolvers=[org.springframework.web.servlet.resource.PathResourceResolver@2b3f154f]]] and 1 interceptor
2018-05-05 07:47:19.357 DEBUG 36196 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Last-Modified value for [/sse] is: -1
2018-05-05 07:47:19.358 DEBUG 36196 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Null ModelAndView returned to DispatcherServlet with name 'dispatcherServlet': assuming HandlerAdapter completed request handling
2018-05-05 07:47:19.358 DEBUG 36196 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Successfully completed request
2018-05-05 07:47:19.358 DEBUG 36196 --- [nio-8080-exec-1] o.s.b.w.s.f.OrderedRequestContextFilter  : Cleared thread-bound request context: org.apache.catalina.connector.RequestFacade@6b1c36b4
2018-05-05 07:47:19.359 DEBUG 36196 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : DispatcherServlet with name 'dispatcherServlet' processing GET request for [/error]
2018-05-05 07:47:19.359 DEBUG 36196 --- [nio-8080-exec-1] s.w.s.m.m.a.RequestMappingHandlerMapping : Looking up handler method for path /error
2018-05-05 07:47:19.359 DEBUG 36196 --- [nio-8080-exec-1] s.w.s.m.m.a.RequestMappingHandlerMapping : Returning handler method [public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController.error(javax.servlet.http.HttpServletRequest)]
2018-05-05 07:47:19.359 DEBUG 36196 --- [nio-8080-exec-1] o.s.b.f.s.DefaultListableBeanFactory     : Returning cached instance of singleton bean 'basicErrorController'
2018-05-05 07:47:19.359 DEBUG 36196 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Last-Modified value for [/error] is: -1
2018-05-05 07:47:19.360 DEBUG 36196 --- [nio-8080-exec-1] .m.m.a.ExceptionHandlerExceptionResolver : Resolving exception from handler [public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController.error(javax.servlet.http.HttpServletRequest)]: org.springframework.web.HttpMediaTypeNotAcceptableException: Could not find acceptable representation
2018-05-05 07:47:19.360 DEBUG 36196 --- [nio-8080-exec-1] .w.s.m.a.ResponseStatusExceptionResolver : Resolving exception from handler [public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController.error(javax.servlet.http.HttpServletRequest)]: org.springframework.web.HttpMediaTypeNotAcceptableException: Could not find acceptable representation
2018-05-05 07:47:19.360 DEBUG 36196 --- [nio-8080-exec-1] .w.s.m.s.DefaultHandlerExceptionResolver : Resolving exception from handler [public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController.error(javax.servlet.http.HttpServletRequest)]: org.springframework.web.HttpMediaTypeNotAcceptableException: Could not find acceptable representation
2018-05-05 07:47:19.360  WARN 36196 --- [nio-8080-exec-1] .w.s.m.s.DefaultHandlerExceptionResolver : Resolved exception caused by Handler execution: org.springframework.web.HttpMediaTypeNotAcceptableException: Could not find acceptable representation
2018-05-05 07:47:19.360 DEBUG 36196 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Null ModelAndView returned to DispatcherServlet with name 'dispatcherServlet': assuming HandlerAdapter completed request handling
2018-05-05 07:47:19.360 DEBUG 36196 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Successfully completed request

public static void main(String[] args) {
    SpringApplication application = new SpringApplication(WebfluxApplication.class);
    application.setWebApplicationType(WebApplicationType.REACTIVE);
    application.run(WebfluxApplication.class, args);
}