Lab4_SentenceController Exception

[moonwalk23]

2019-09-30 12:21:02.878 INFO 17924 --- [nio-8020-exec-1] o.s.web.servlet.DispatcherServlet : FrameworkServlet 'dispatcherServlet': initialization completed in 21 ms
Service URThttp://9.199.43.31:57161
2019-09-30 12:21:02.968 ERROR 17924 --- [nio-8020-exec-1] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.springframework.web.client.HttpClientErrorException: 404 null] with root cause
org.springframework.web.client.HttpClientErrorException: 404 null
at org.springframework.web.client.DefaultResponseErrorHandler.handleError(DefaultResponseErrorHandler.java:94) ~[spring-web-5.0.10.RELEASE.jar:5.0.10.RELEASE]
at org.springframework.web.client.DefaultResponseErrorHandler.handleError(DefaultResponseErrorHandler.java:79) ~[spring-web-5.0.10.RELEASE.jar:5.0.10.RELEASE]
at org.springframework.web.client.ResponseErrorHandler.handleError(ResponseErrorHandler.java:63) ~[spring-web-5.0.10.RELEASE.jar:5.0.10.RELEASE]
at org.springframework.web.client.RestTemplate.handleResponse(RestTemplate.java:730) ~[spring-web-5.0.10.RELEASE.jar:5.0.10.RELEASE]
at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:688) ~[spring-web-5.0.10.RELEASE.jar:5.0.10.RELEASE]
at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:662) ~[spring-web-5.0.10.RELEASE.jar:5.0.10.RELEASE]
at org.springframework.web.client.RestTemplate.getForObject(RestTemplate.java:314) ~[spring-web-5.0.10.RELEASE.jar:5.0.10.RELEASE]
at com.example.demo.controller.sentenceController.getWord(sentenceController.java:39) ~[classes/:na]
at
com.example.demo.controller.sentenceController.getSentence(sentenceController.java:25) ~[classes/:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_221]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_221]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_221]
at java.lang.reflect.Method.invoke(Unknown Source) ~[na:1.8.0_221]