Java. Lang. NullPointerException: null
At com. Example. Demo. Controller. WebController. Hystrix (WebController. Java: 23) ~ (classes/: na)
At sun. Reflect. NativeMethodAccessorImpl. Invoke0 (Native Method) ~ [na: 1.8.0 comes with _65]
At sun. Reflect. NativeMethodAccessorImpl. Invoke (NativeMethodAccessorImpl. Java: 62) ~ [na: 1.8.0 comes with _65]
At sun. Reflect. DelegatingMethodAccessorImpl. Invoke (43) DelegatingMethodAccessorImpl. Java: ~ [na: 1.8.0 comes with _65]
The at Java. Lang. Reflect. Method. Invoke (497) Method. The Java: ~ [na: 1.8.0 comes with _65]
The at org. Springframework. Web. Method. Support. InvocableHandlerMethod. DoInvoke (InvocableHandlerMethod. Java: 190) ~ [spring - web - 5.2.5. The jar: 5.2.5. RELEASE]
The at org. Springframework. Web. Method. Support. InvocableHandlerMethod. InvokeForRequest (InvocableHandlerMethod. Java: 138) ~ [spring - web - 5.2.5. The jar: 5.2.5. RELEASE]
The at org. Springframework. Web. Servlet. MVC) method. The annotation. ServletInvocableHandlerMethod. InvokeAndHandle (ServletInvocableHandlerMethod. Java: 105) ~ [spring - webmvc - 5.2.5. The jar: 5.2.5. RELEASE]
The at org. Springframework. Web. Servlet. MVC) method. The annotation. RequestMappingHandlerAdapter. InvokeHandlerMethod (RequestMappingHandlerAdapter. Java: 879) ~ [spring - webmvc - 5.2.5. The jar: 5.2.5. RELEASE]
The at org. Springframework. Web. Servlet. MVC) method. The annotation. RequestMappingHandlerAdapter. HandleInternal (RequestMappingHandlerAdapter. Java: 793) ~ [spring - webmvc - 5.2.5. The jar: 5.2.5. RELEASE]
The at org. Springframework. Web. Servlet. MVC. Method. AbstractHandlerMethodAdapter. Handle (AbstractHandlerMethodAdapter. Java: 87) ~ [spring - webmvc - 5.2.5. The jar: 5.2.5. RELEASE]
The at org. Springframework. Web. Servlet. DispatcherServlet. DoDispatch (DispatcherServlet. Java: 1040) ~ [spring - webmvc - 5.2.5. The jar: 5.2.5. RELEASE]
The at org. Springframework. Web. Servlet. DispatcherServlet. DoService (DispatcherServlet. Java: 943) ~ [spring - webmvc - 5.2.5. The jar: 5.2.5. RELEASE]
The at org. Springframework. Web. Servlet. FrameworkServlet. The processRequest (FrameworkServlet. Java: 1006) ~ [spring - webmvc - 5.2.5. The jar: 5.2.5. RELEASE]
The at org. Springframework. Web. Servlet. FrameworkServlet. DoGet (FrameworkServlet. Java: 898) ~ [spring - webmvc - 5.2.5. The jar: 5.2.5. RELEASE]

CodePudding user response:

Org. Springframework. Boot
Spring - the boot - starter - web


Org. Springframework. Cloud
Spring - the cloud - starter - netflix - eureka - client


Org. Springframework. Cloud
Spring - the cloud - starter - netflix - hystrix