java.lang.IllegalStateException: Request URI does not contain a valid hostname: http://user_service/

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最新推荐文章于 2023-02-20 13:30:05 发布 · 4.8k 阅读

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#java.lang.IllegalStateException: Re #SpringCloud的bug解决分析

（1）问题描述：
在进行使用springcloud微服务的时候，在eureka注册中心，注册完多个服务提供者在eureka注册中心，使用负载均衡Ribbon，在spingboot启动器运行时曝出这个错误的，抛出这个异常，
java.lang.IllegalStateException: Request URI does not contain a valid hostname: http://user_service/user/
。

（2）错误显示：

java.lang.IllegalStateException: Request URI does not contain a valid hostname: http://user_service/user/
 
[dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.IllegalStateException: Request URI does not contain a valid hostname: http://user_service/user/] with root cause
 
java.lang.IllegalStateException: Request URI does not contain a valid hostname: http://user_service/user/
at org.springframework.util.Assert.state(Assert.java:73) ~[spring-core-5.0.8.RELEASE.jar:5.0.8.RELEASE]
at org.springframework.cloud.client.loadbalancer.LoadBalancerInterceptor.intercept(LoadBalancerInterceptor.java:54) ~[spring-cloud-commons-2.0.1.RELEASE.jar:2.0.1.RELEASE]
at org.springframework.http.client.InterceptingClientHttpRequest$InterceptingRequestExecution.execute(InterceptingClientHttpRequest.java:92) ~[spring-web-5.0.8.RELEASE.jar:5.0.8.RELEASE]
at org.springframework.http.client.InterceptingClientHttpRequest.executeInternal(InterceptingClientHttpRequest.java:76) ~[spring-web-5.0.8.RELEASE.jar:5.0.8.RELEASE]
at org.springframework.http.client.AbstractBufferingClientHttpRequest.executeInternal(AbstractBufferingClientHttpRequest.java:48) ~[spring-web-5.0.8.RELEASE.jar:5.0.8.RELEASE]
at org.springframework.http.client.AbstractClientHttpRequest.execute(AbstractClientHttpRequest.java:53) ~[spring-web-5.0.8.RELEASE.jar:5.0.8.RELEASE]
at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:723) ~[spring-web-5.0.8.RELEASE.jar:5.0.8.RELEASE]
at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:680) ~[spring-web-5.0.8.RELEASE.jar:5.0.8.RELEASE]
at org.springframework.web.client.RestTemplate.getForObject(RestTemplate.java:332) ~[spring-web-5.0.8.RELEASE.jar:5.0.8.RELEASE]
at cn.demo.service.UserService.lambda$queryUserList$0(UserService.java:55) ~[classes/:na]
at java.util.ArrayList.forEach(ArrayList.java:1249) ~[na:1.8.0_111]
at cn.demo.service.UserService.queryUserList(UserService.java:54) ~[classes/