Akka HTTP错误响应实体在1秒后未订阅

nuypyhwy 于 2022-11-06 发布在其他

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我正在使用Akka HTTP cachedHostConnectionPoolHttps池作为Akka流流的一部分发送请求：

private val requestFlow: Flow[(HttpRequest, HelperClass), Either[Error, String], _] =
Http().cachedHostConnectionPoolHttps(BaseUrl).mapAsync(1) {
  case (Success(HttpResponse(_, _, entity, _)), _) =>
    Unmarshal(entity).to[String].map(response => {
      Right(response)
    })
  case (Failure(ex), _) =>
    Future(Left(Error(ex)))
}

由于某种原因，并非所有请求响应都在处理中。某些响应会导致错误：

a.h.i.e.c.PoolGateway - [0 (WaitingForResponseEntitySubscription)] Response entity was not subscribed after 1 second. Make sure to read the response entity body or call `discardBytes()` on it.

如何订阅我的回复，同时保持上述流程？

akka

来源：https://stackoverflow.com/questions/62053942/akka-http-error-response-entity-was-not-subscribed-after-1-second

2条答案

按热度按时间

rslzwgfq1#

虽然这不是最佳解决方案，但您可以按如下方式增加响应订阅超时：

akka.http.host-connection-pool.response-entity-subscription-timeout = 10.seconds

下面是一个更彻底的讨论：https://github.com/akka/akka-http/issues/1836

赞(0）回复(0）举报 2022-11-06

e3bfsja22#

根据文件建议，执行实体处理方式如下：

private val requestFlow: Flow[(HttpRequest, HelperClass), Either[Error, String], _] =
Http().cachedHostConnectionPoolHttps(BaseUrl).mapAsync(1) {
  case (Success(HttpResponse(_, _, entity, _)),    _) =>
      entity.dataBytes
        .runReduce(_ ++ _)
        .map(r => Right(r.toString))
  case (Failure(ex), _) =>
    Future(Left(Error(ex)))
}

赞(0）回复(0）举报 2022-11-06

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Akka HTTP错误响应实体在1秒后未订阅

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