java.lang.IllegalStateException

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  • GitHub comment 20460#217710220
    via GitHub by cppexpert
    ,
  • GitHub comment 57#245636208
    via GitHub by akka-ci
    ,
  • Obtaining better data from failed futures
    via by Luciano Leggieri,
    • java.lang.IllegalStateException: Promise already completed. at scala.concurrent.Promise$class.complete(Promise.scala:55) at scala.concurrent.impl.Promise$DefaultPromise.complete(Promise.scala:153)

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