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在我当前的项目中，我们的一个微服务调用另一个微服务的 REST Api，并且在错误场景中它返回一个自定义（469）错误代码。

我在调用服务中使用了负载平衡的休息模板，并且由于 HttpStatus 枚举中不存在 469 错误代码，它引发了 IllegalArgumentException 错误。

是否有任何解决方法可以解决此问题，例如使用原始状态代码而不是将其转换为枚举？

java.lang.IllegalArgumentException: No matching constant for [469]
    at org.springframework.http.HttpStatus.valueOf(HttpStatus.java:547)
    at org.springframework.http.client.AbstractClientHttpResponse.getStatusCode(AbstractClientHttpResponse.java:33)
    at org.springframework.cloud.client.loadbalancer.ResponseData.<init>(ResponseData.java:68)
    at org.springframework.cloud.loadbalancer.blocking.client.BlockingLoadBalancerClient.getClientResponse(BlockingLoadBalancerClient.java:120)
    at org.springframework.cloud.loadbalancer.blocking.client.BlockingLoadBalancerClient.execute(BlockingLoadBalancerClient.java:94)
    at org.springframework.cloud.client.loadbalancer.RetryLoadBalancerInterceptor.lambda$intercept$2(RetryLoadBalancerInterceptor.java:129)
    at org.springframework.retry.support.RetryTemplate.doExecute(RetryTemplate.java:329)
    at org.springframework.retry.support.RetryTemplate.execute(RetryTemplate.java:225)
    at org.springframework.cloud.client.loadbalancer.RetryLoadBalancerInterceptor.intercept(RetryLoadBalancerInterceptor.java:79)
    at org.springframework.http.client.InterceptingClientHttpRequest$InterceptingRequestExecution.execute(InterceptingClientHttpRequest.java:93)
    at org.springframework.boot.actuate.metrics.web.client.MetricsClientHttpRequestInterceptor.intercept(MetricsClientHttpRequestInterceptor.java:86)
    at org.springframework.http.client.InterceptingClientHttpRequest$InterceptingRequestExecution.execute(InterceptingClientHttpRequest.java:93)
    at org.springframework.cloud.sleuth.instrument.web.mvc.TracingClientHttpRequestInterceptor.intercept(TracingClientHttpRequestInterceptor.java:69)
    at org.springframework.cloud.sleuth.instrument.web.client.LazyTraceClientHttpRequestInterceptor.intercept(LazyTraceClientHttpRequestInterceptor.java:51)
    at org.springframework.http.client.InterceptingClientHttpRequest$InterceptingRequestExecution.execute(InterceptingClientHttpRequest.java:93)
    at org.springframework.http.client.InterceptingClientHttpRequest.executeInternal(InterceptingClientHttpRequest.java:77)
    at org.springframework.http.client.AbstractBufferingClientHttpRequest.executeInternal(AbstractBufferingClientHttpRequest.java:48)
    at org.springframework.http.client.AbstractClientHttpRequest.execute(AbstractClientHttpRequest.java:66)
    at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:776)
    at org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:670)
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1 回答 1

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我认为我们可以使用拦截器来操纵来自下游服务的状态。

您是否尝试过ClientHttpRequestInterceptor？这是一个例子

于 2022-02-17T20:37:08.013 回答