consul+feign调用报错Caused by: : Load balancer does not have available

报错的原因是feign默认使用ribbon作为负载均衡调用的:

 

我的feign调用类如下:

  

package .blog_admin.feign;



 




import .blog_admin.;




import .blog_common.;




import .blog_common.;




import .blog_common.;




import .blog_config.;




import ;




import .annotation.GetMapping;




import .annotation.PathVariable;



 



/***



 * @ClassName: PictureFeignClient



 * @Description: picture feign调用



 * @Author: wm_yu



 * @Create_time: 16:39 2020-3-26



 */



@FeignClient(value = CommonConstant.PICTURE_MODULE_NAME, configuration = , fallbackFactory = )




public interface PictureFeignClient {



 



    @GetMapping("/web/picture/{id}")




    Result<TFileDO> get(@PathVariable("id") Long id);



 



}

 

feign被调用的服务的名称:

consul注册服务列表:

没有问题.

大部分网上的解决方法是:

 

但是我的注册中心是consul,解决方法如下:

=false




# 示例：=192.168.26.183:8777




{替换成需要调用的服务名}.={替换成需要调用服务的IP:端口号}

在调用方(feign服务调用端增加上面的配置): 图中圈出来的配置,

 

再次访问:

可以看到调用成功了.

 

服务降级和feign调用前添加的配置,如下:

package com.wm.blog_config.config;



 




import feign.RequestInterceptor;




import feign.RequestTemplate;




import lombok.extern.slf4j.Slf4j;




import org.springframework.context.annotation.Configuration;



 



/***



 * @ClassName: CustomFeignConfig



 * @Description:  服务间调用携带Authorization请求头  todo   feign调用



 * @Author: wm_yu



 * @Create_time: 16:50 2020-3-26



 */



@Configuration



@Slf4j




public class CustomFeignConfig implements RequestInterceptor {



    @Override




    public void apply(RequestTemplate requestTemplate) {



      log.info("feign调用添加请求头");



    }



}

 

package .blog_admin.;



 




import .blog_admin.;




import .blog_admin.;




import ;




import .slf4j.Slf4j;




import ;



 



/**



 * 图片断路器工厂



 *



 * @author tangyi



 * @date 2019/3/23 23:38



 */



@Component



@Slf4j




public class PictureClientFallbackFactory implements FallbackFactory<PictureFeignClient> {



 



    @Override




    public PictureFeignClient create(Throwable throwable) {



        PictureClientFallbackImpl userServiceClientFallback = new PictureClientFallbackImpl();



        //(throwable);   todo




        PictureClientFallbackImpl pictureClientFallback = new PictureClientFallbackImpl();



        (throwable);



        ("调用图片服务feign异常:{}",throwable);



        return userServiceClientFallback;



    }



}

package com.wm.blog_admin.feign.fallback;



 




import com.wm.blog_admin.feign.PictureFeignClient;




import com.wm.blog_common.domain.TFileDO;




import com.wm.blog_common.result.Result;




import lombok.extern.slf4j.Slf4j;




import org.springframework.stereotype.Component;



 



/**



 * 日志断路器实现   todo



 *



 * @author tangyi



 * @date 2019/3/23 23:39



 */



@Slf4j



@Component




public class PictureClientFallbackImpl implements PictureFeignClient {



    @Override




    public Result<TFileDO> get(Long id) {



        log.error("feign调用get异常");



        return null;



    }



 



    private Throwable throwable;



    



    public Throwable getThrowable() {



        return throwable;



    }



 



    public void setThrowable(Throwable throwable) {



        this.throwable = throwable;



    }



}

好了,解决了