无法在 Feign 中使用 POST 方法

Question

我正在尝试为 stockfigher 游戏 api 编写包装器，只是为了了解 feign 的工作原理，但我对第一个 POST 方法有疑问：

@RequestMapping(method = RequestMethod.POST, value = "/venues/KHEX/stocks/LMC/orders")
void newOrderForAStock(String order);

每当我尝试调用它时，都会遇到异常：

Caused by: feign.RetryableException: cannot retry due to redirection, in streaming mode executing POST https://api.stockfighter.io/ob/api//venues/KHEX/stocks/LMC/orders
at feign.FeignException.errorExecuting(FeignException.java:56)
at feign.SynchronousMethodHandler.executeAndDecode(SynchronousMethodHandler.java:97)
at feign.SynchronousMethodHandler.invoke(SynchronousMethodHandler.java:71)
at feign.ReflectiveFeign$FeignInvocationHandler.invoke(ReflectiveFeign.java:94)
at com.sun.proxy.$Proxy50.newOrderForAStock(Unknown Source)
at .stockfighter.runner.TestIt.buyFirst(TestIt.java:45)
at .stockfighter.runner.TestIt.runIt(TestIt.java:32)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:349)
at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeInitMethods(InitDestroyAnnotationBeanPostProcessor.java:300)
at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:133)
... 22 common frames omitted

有什么办法可以调整吗？

Answer 1

您的订单需要是

@RequestParam("order") String order

Answer 2

import feign.Feign;
import feign.okhttp.OkHttpClient;
import okhttp3.OkHttpClient.Builder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class FeignConfig {

    @Bean
    public Feign.Builder feignBuilder() {
        okhttp3.OkHttpClient okHttpClient = new Builder()
            .followRedirects(true)  // 允許重定向
            .build();

        return Feign.builder()
            .client(new OkHttpClient(okHttpClient))  // 使用 OkHttpClient
            .options(new feign.Request.Options(10_000, 60_000))
            ;
    }
}

请尝试声明上述配置并再次观察。

据我了解，它与okhttp3.OkHttpClient有关。原生 Feign 无法禁用流模式。