使用SpringBoot进行开发时,使用feign组件进行远程调用,可能会产生了这样的异常信息: nested exceptionisjava.lang.IllegalStateException: PathVariable annotation was emptyonparam0 原因: 从异常信息中看出,是因为PathVariable注解有问题!也就是@PathVariable注解的第0个值为空! 当时声明明Feign接口方法时候,使用@PathVariabl...
IllegalStateException: PathVariable annotation was empty on param 0异常解决 一.异常现象 我在利用SpringCloud进行微服务开发时,使用feign组件进行远程调用,结果产生了如下异常信息: Causedby:org.springframework.beans.factory.BeanCreationException:Errorcreatingbeanwithname'com.yyg.platform.web.service.api.CacheServi...
IllegalStateException: PathVariable annotation was empty on param 0异常解决 一.异常现象 我在利用SpringCloud进行微服务开发时,使用feign组件进行远程调用,结果产生了如下异常信息: Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.yyg.platform.web.service.a...
回答 1. 解释"pathvariable annotation was empty on param 0"错误信息的含义 这个错误信息表明在使用Spring MVC或Spring Boot的@PathVariable注解时,第0个(即第一个)参数没有正确设置@PathVariable注解,或者其值被设置为空字符串。@PathVariable注解用于将URL模板变量绑定到控制器处理方法的参数上。如果未正确设置,Sprin...
配置Feign的时候报错PathVariable annotation was empty on param 0.是在声明Feign接口方法时候,使用@PathVariable注解没有带有value值。 将下面代码:@GetMapping("/dept/{id}") public Dept get(@PathVariable Long id);修改为:@GetMapping("/dept/{id}") public Dept get(@PathVariable(value="id") Long id);...
nested exception is java.lang.IllegalStateException: PathVariable annotation was empty on param 0. 1. 原因: 1. 从异常信息中看出,是因为PathVariable注解有问题!也就是@PathVariable注解的第0个值为空! 当时声明明Feign接口方法时候,使用@PathVariable注解的接口方法: ...
【异常集锦一】java.lang.IllegalStateException: PathVariable annotation was empty on param 0. 这个异常是我在启动Spring项目时遇到的,然后报这个异常导致项目启动不起来,解决方法: 在@PathVariable这个注解后面加上value值。 这个是我报异常的代码 @GetMapping("/user/{id}")UserqueryById(@PathVariableInteger id)...
nested exception is java.lang.IllegalStateException:PathVariable annotation was empty on param0. 代码语言:javascript 复制 原因: 从异常信息中看出,是因为PathVariable注解有问题!也就是@PathVariable注解的第0个值为空! 当时声明明Feign接口方法时候,使用@PathVariable注解的接口方法: ...
FactoryBean threw exception on object creation;nested exception is java.lang.IllegalStateException:PathVariable annotation was empty on param0.at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:588)~[spring-...
‘routeApi’; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘cn.rainbowbus.api.RouteApi’: FactoryBean threw exception on object creation; nested exception is java.lang.IllegalStateException: PathVariable annotation was empty on param 0. ...