java.lang.IllegalArgumentException: requirement failed: Cannot push port (out1) twice

Google Groups | Sergey Sopin | 1 month ago
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  1. 0

    [Akka-streams] Cannot push port twice

    Google Groups | 1 month ago | Sergey Sopin
    java.lang.IllegalArgumentException: requirement failed: Cannot push port (out1) twice
  2. 0

    HttpServerBluePrint: Cannot push port (requestPrepOut) twice

    GitHub | 9 months ago | kstokoz
    java.lang.IllegalArgumentException: requirement failed: Cannot push port (requestPrepOut) twice
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Root Cause Analysis

  1. java.lang.IllegalArgumentException

    requirement failed: Cannot push port (out1) twice

    at scala.Predef$.require()
  2. Scala
    Predef$.require
    1. scala.Predef$.require(Predef.scala:219)
    1 frame
  3. akka.stream.stage
    GraphStageLogic.push
    1. akka.stream.stage.GraphStageLogic.push(GraphStage.scala:439)
    1 frame
  4. kernel.modeller.workers
    FAndLShape$1$1.onPush
    1. kernel.modeller.workers.streamFinder.finderShapes.FAndLShape$1$1.onPush(FAndLShape.java:46)
    1 frame
  5. akka.stream.impl
    ActorGraphInterpreter$$anonfun$receive$1.applyOrElse
    1. akka.stream.impl.fusing.GraphInterpreter.processElement$1(GraphInterpreter.scala:582)
    2. akka.stream.impl.fusing.GraphInterpreter.processEvent(GraphInterpreter.scala:593)
    3. akka.stream.impl.fusing.GraphInterpreter.execute(GraphInterpreter.scala:535)
    4. akka.stream.impl.fusing.GraphInterpreterShell.runBatch(ActorGraphInterpreter.scala:443)
    5. akka.stream.impl.fusing.GraphInterpreterShell.receive(ActorGraphInterpreter.scala:387)
    6. akka.stream.impl.fusing.ActorGraphInterpreter$$anonfun$receive$1.applyOrElse(ActorGraphInterpreter.scala:547)
    6 frames
  6. Akka Actor
    Actor$class.aroundReceive
    1. akka.actor.Actor$class.aroundReceive(Actor.scala:484)
    1 frame