class HttpNackFilter[R <: Request] extends SimpleFilter[R, Response]
This Filter converts Finagle nacks into HttpNackExceptions to be handled by
a registered ExceptionMapper[HttpNackException]. A "nack" is a Negative ACKnowledgement.
Responding with a nack is one way a service may exert back pressure.
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- @Singleton()
- See also
com.twitter.finatra.http.internal.exceptions.HttpNackExceptionMapper
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- new HttpNackFilter(statsReceiver: StatsReceiver)
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