SpringBoot未找到处理程序方法，从第二个请求开始

我的应用程序中的一个端点仅在我第一次调用它时起作用，但每次调用后都会失败，错误如下：

响应：

{
    "timestamp": 1501295150391,
    "status": 404,
    "error": "Not Found",
    "message": "No message available",
    "path": "/updates"
}

2017-07-28 19:25:50.386 DEBUG 76613 --- [nio-8080-exec-2] o.s.web.servlet.DispatcherServlet        : DispatcherServlet with name 'dispatcherServlet' processing GET request for [/updates]
2017-07-28 19:25:50.386 DEBUG 76613 --- [nio-8080-exec-2] s.w.s.m.m.a.RequestMappingHandlerMapping : Looking up handler method for path /updates
2017-07-28 19:25:50.386 DEBUG 76613 --- [nio-8080-exec-2] s.w.s.m.m.a.RequestMappingHandlerMapping : Did not find handler method for [/updates]
2017-07-28 19:25:50.387 DEBUG 76613 --- [nio-8080-exec-2] o.s.w.s.handler.SimpleUrlHandlerMapping  : Matching patterns for request [/updates] are [/**]
2017-07-28 19:25:50.387 DEBUG 76613 --- [nio-8080-exec-2] o.s.w.s.handler.SimpleUrlHandlerMapping  : URI Template variables for request [/updates] are {}
2017-07-28 19:25:50.388 DEBUG 76613 --- [nio-8080-exec-2] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapping [/updates] to HandlerExecutionChain with handler [ResourceHttpRequestHandler [locations=[ServletContext resource [/], class path resource [META-INF/resources/], class path resource [resources/], class path resource [static/], class path resource [public/]], resolvers=[org.springframework.web.servlet.resource.PathResourceResolver@74455848]]] and 1 interceptor
2017-07-28 19:25:50.389 DEBUG 76613 --- [nio-8080-exec-2] o.s.web.servlet.DispatcherServlet        : Last-Modified value for [/updates] is: -1
2017-07-28 19:25:50.389 DEBUG 76613 --- [nio-8080-exec-2] o.s.web.servlet.DispatcherServlet        : Null ModelAndView returned to DispatcherServlet with name 'dispatcherServlet': assuming HandlerAdapter completed request handling
2017-07-28 19:25:50.389 DEBUG 76613 --- [nio-8080-exec-2] o.s.web.servlet.DispatcherServlet        : Successfully completed request
2017-07-28 19:25:50.390 DEBUG 76613 --- [nio-8080-exec-2] o.s.web.servlet.DispatcherServlet        : DispatcherServlet with name 'dispatcherServlet' processing GET request for [/error]
2017-07-28 19:25:50.390 DEBUG 76613 --- [nio-8080-exec-2] s.w.s.m.m.a.RequestMappingHandlerMapping : Looking up handler method for path /error
2017-07-28 19:25:50.390 DEBUG 76613 --- [nio-8080-exec-2] 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.BasicErrorController.error(javax.servlet.http.HttpServletRequest)]
2017-07-28 19:25:50.390 DEBUG 76613 --- [nio-8080-exec-2] o.s.web.servlet.DispatcherServlet        : Last-Modified value for [/error] is: -1
2017-07-28 19:25:50.391 DEBUG 76613 --- [nio-8080-exec-2] o.s.w.s.m.m.a.HttpEntityMethodProcessor  : Written [{timestamp=Fri Jul 28 19:25:50 PDT 2017, status=404, error=Not Found, message=No message available, path=/updates}] as "application/hal+json" using [org.springframework.http.converter.json.MappingJackson2HttpMessageConverter@e4487af]
2017-07-28 19:25:50.392 DEBUG 76613 --- [nio-8080-exec-2] o.s.web.servlet.DispatcherServlet        : Null ModelAndView returned to DispatcherServlet with name 'dispatcherServlet': assuming HandlerAdapter completed request handling
2017-07-28 19:25:50.392 DEBUG 76613 --- [nio-8080-exec-2] o.s.web.servlet.DispatcherServlet        : Successfully completed request

日志：

{
    "timestamp": 1501295150391,
    "status": 404,
    "error": "Not Found",
    "message": "No message available",
    "path": "/updates"
}

2017-07-28 19:25:50.386 DEBUG 76613 --- [nio-8080-exec-2] o.s.web.servlet.DispatcherServlet        : DispatcherServlet with name 'dispatcherServlet' processing GET request for [/updates]
2017-07-28 19:25:50.386 DEBUG 76613 --- [nio-8080-exec-2] s.w.s.m.m.a.RequestMappingHandlerMapping : Looking up handler method for path /updates
2017-07-28 19:25:50.386 DEBUG 76613 --- [nio-8080-exec-2] s.w.s.m.m.a.RequestMappingHandlerMapping : Did not find handler method for [/updates]
2017-07-28 19:25:50.387 DEBUG 76613 --- [nio-8080-exec-2] o.s.w.s.handler.SimpleUrlHandlerMapping  : Matching patterns for request [/updates] are [/**]
2017-07-28 19:25:50.387 DEBUG 76613 --- [nio-8080-exec-2] o.s.w.s.handler.SimpleUrlHandlerMapping  : URI Template variables for request [/updates] are {}
2017-07-28 19:25:50.388 DEBUG 76613 --- [nio-8080-exec-2] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapping [/updates] to HandlerExecutionChain with handler [ResourceHttpRequestHandler [locations=[ServletContext resource [/], class path resource [META-INF/resources/], class path resource [resources/], class path resource [static/], class path resource [public/]], resolvers=[org.springframework.web.servlet.resource.PathResourceResolver@74455848]]] and 1 interceptor
2017-07-28 19:25:50.389 DEBUG 76613 --- [nio-8080-exec-2] o.s.web.servlet.DispatcherServlet        : Last-Modified value for [/updates] is: -1
2017-07-28 19:25:50.389 DEBUG 76613 --- [nio-8080-exec-2] o.s.web.servlet.DispatcherServlet        : Null ModelAndView returned to DispatcherServlet with name 'dispatcherServlet': assuming HandlerAdapter completed request handling
2017-07-28 19:25:50.389 DEBUG 76613 --- [nio-8080-exec-2] o.s.web.servlet.DispatcherServlet        : Successfully completed request
2017-07-28 19:25:50.390 DEBUG 76613 --- [nio-8080-exec-2] o.s.web.servlet.DispatcherServlet        : DispatcherServlet with name 'dispatcherServlet' processing GET request for [/error]
2017-07-28 19:25:50.390 DEBUG 76613 --- [nio-8080-exec-2] s.w.s.m.m.a.RequestMappingHandlerMapping : Looking up handler method for path /error
2017-07-28 19:25:50.390 DEBUG 76613 --- [nio-8080-exec-2] 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.BasicErrorController.error(javax.servlet.http.HttpServletRequest)]
2017-07-28 19:25:50.390 DEBUG 76613 --- [nio-8080-exec-2] o.s.web.servlet.DispatcherServlet        : Last-Modified value for [/error] is: -1
2017-07-28 19:25:50.391 DEBUG 76613 --- [nio-8080-exec-2] o.s.w.s.m.m.a.HttpEntityMethodProcessor  : Written [{timestamp=Fri Jul 28 19:25:50 PDT 2017, status=404, error=Not Found, message=No message available, path=/updates}] as "application/hal+json" using [org.springframework.http.converter.json.MappingJackson2HttpMessageConverter@e4487af]
2017-07-28 19:25:50.392 DEBUG 76613 --- [nio-8080-exec-2] o.s.web.servlet.DispatcherServlet        : Null ModelAndView returned to DispatcherServlet with name 'dispatcherServlet': assuming HandlerAdapter completed request handling
2017-07-28 19:25:50.392 DEBUG 76613 --- [nio-8080-exec-2] o.s.web.servlet.DispatcherServlet        : Successfully completed request

MatchUpdateControl：

---

404

由于未找到页面而发生错误，并且在项目控制器中，该页面未映射到正确的路径，您需要更正它。 您正在使用

@RepositoryRestController

，具体取决于您是否正在执行实体特定的操作。在这种情况下，您需要手动创建端点。您可以在下面参考

RepositoryRestController

的参考链接

你也可以使用

@RestController
@RequestMapping("/controller")

---

映射控制器路径

404

错误发生的原因是未找到页面，并且在您的项目控制器中，该页面未映射到正确的路径，您需要更正它。 您正在使用

@RepositoryRestController

，具体取决于您是否正在执行实体特定的操作。在这种情况下，您需要手动创建端点。您可以在下面参考

RepositoryRestController

的参考链接

你也可以使用

@RestController
@RequestMapping("/controller")

映射控制器路径

@RestController
@RequestMapping("/controller")