目录
报错信息 找caused by 后面的信息
这个一直往后面翻 看到最后一个进行反推
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'feignConsumerController': Unsatisfied dependency expressed through field 'remoteProviderService'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.jt.consumer.service.RemoteProviderService': FactoryBean threw exception on object creation; nested exception is java.lang.IllegalStateException: PathVariable annotation was empty on param 0.
关键位置: ->
Caused by: java.lang.IllegalStateException: PathVariable annotation was empty on param 0.
at feign.Util.checkState(Util.java:129) ~[feign-core-10.10.1.jar:na]
at org.springframework.cloud.openfeign.annotation.PathVariableParameterProcessor.processArgument(PathVariableParameterProcessor.java:52) ~[spring-cloud-openfeign-core-2.2.6.RELEASE.jar:2.2.6.RELEASE]
at org.springframework.cloud.openfeign.support.SpringMvcContract.processAnnotationsOnParameter(SpringMvcContract.java:304) ~[spring-cloud-openfeign-core-2.2.6.RELEASE.jar:2.2.6.RELEASE]
发现类似问题:
正确写法:
String echo(@PathVariable("msg") String msg);
问题二: 注意 远程调用post请求时候
不能使用参数拼接 需要使用@RequestBody的json格式进行传递, 否则值传递不过来
消费者需要加@RequestBody 服务者依旧需要添加
