openfeign接口启动报错: is not assignable to interface feign.hystrix.FallbackFactory

报错详情：

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘goodsController’: Unsatisfied dependency expressed through field ‘wareHouseOpenFienService’; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘com.changgou.service.goods.service.openfien.WareHouseOpenFienService’: Unexpected exception during bean creation; nested exception is java.lang.IllegalStateException: Incompatible fallbackFactory instance. Fallback/fallbackFactory of type class com.changgou.service.goods.service.openfien.WareHouseOpenFienServiceFallbackFactory is not assignable to interface feign.hystrix.FallbackFactory for feign client wareHouseOpenFienService

从报错中可以看出： is not assignable to interface feign.hystrix.FallbackFactory 提示不能分配给接口false .hystrix. fallbackfactory

接口代码：

@FeignClient(name = "wareHouseOpenFienService",url = "http://127.0.0.1:9101/changgou-warehouse",fallbackFactory = WareHouseOpenFienServiceFallbackFactory.class)
public interface WareHouseOpenFienService {/*** 根据商品id集合查询库存信息* @param goodsIds* @return*/@PostMapping(value = "/queryListByGoodsIds")R<List<Warehouse>> queryListByGoodsIds(@RequestBody List<Long> goodsIds);
}

可以看到接口配置了fallbackFactory接口

WareHouseOpenFienServiceFallbackFactory代码：

@Component
public class WareHouseOpenFienServiceFallbackFactory implements FallbackFactory<WareHouseOpenFienService> {@Overridepublic WareHouseOpenFienService create(Throwable cause) {return goodsIds -> R.fail("调用查询库存信息接口失败:" + cause);}
}

从代码上看没有任何问题，报错原因是因为WareHouseOpenFienServiceFallbackFactory中实现的FallbackFactory接口需要注意，是feign.hystrix.FallbackFactory而不是org.springframework.cloud.openfeign.FallbackFactory 所以导包时需要注意：

是： import feign.hystrix.FallbackFactory;
而不是： import org.springframework.cloud.openfeign.FallbackFactory;

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openfeign接口启动报错: is not assignable to interface feign.hystrix.FallbackFactory

openfeign接口启动报错: is not assignable to interface feign.hystrix.FallbackFactory

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