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com.twitter.finagle.http.filter

HttpNackFilter

object HttpNackFilter

When a server fails with retryable failures, it sends back a NackResponse, i.e. a 503 response code with "finagle-http-nack" header. A non-retryable failure will be converted to a 503 with "finagle-http-nonretryable-nack".

Clients who recognize the header can handle the response appropriately. Clients who don't recognize the header treat the response the same way as other 503 response.

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  1. final def !=(arg0: Any): Boolean
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  4. val NonRetryableNackHeader: String

    Header name for non-retryable nack responses

  5. val ResponseStatus: Status

    Response status for a nacked request

  6. val RetryableNackHeader: String

    Header name for retryable nack responses

  7. val RetryableRequestHeader: String

    Header name for requests that have a body and the client can retry

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  19. val role: Role

    The Role assigned to a HttpNackFilter within a Stack.

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