java.lang.IllegalArgumentException: requirement failed: Cannot get element from already empty input port (Merge.in1)

GitHub | johanandren | 4 months ago
  1. 0

    Grabbing from closed input port in Merge

    GitHub | 4 months ago | johanandren
    java.lang.IllegalArgumentException: requirement failed: Cannot get element from already empty input port (Merge.in1)
  2. 0

    GitHub comment 1988#201105812

    GitHub | 8 months ago | clockfly
    java.lang.IllegalArgumentException: requirement failed: Cannot push port (responseOut) twice
  3. 0

    replaceWithContext troubles

    GitHub | 8 months ago | gebner
    java.lang.IllegalArgumentException: requirement failed: Incorrect shallow formula: y = d != c = d
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  5. 0

    Requests with method 'HEAD' must have an empty entity

    GitHub | 8 months ago | jrudnick
    java.lang.IllegalArgumentException: requirement failed: Requests with method 'HEAD' must have an empty entity
  6. 0

    GitHub comment 20209#205896543

    GitHub | 8 months ago | hochgi
    java.lang.IllegalArgumentException: requirement failed: contentLength must be positive (use `HttpEntity.empty(contentType)` for empty entities)

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Root Cause Analysis

  1. java.lang.IllegalArgumentException

    requirement failed: Cannot get element from already empty input port (Merge.in1)

    at scala.Predef$.require()
  2. Scala
    Predef$.require
    1. scala.Predef$.require(Predef.scala:224)
    1 frame
  3. akka.stream.stage
    GraphStageLogic.grab
    1. akka.stream.stage.GraphStageLogic.grab(GraphStage.scala:381)
    1 frame
  4. akka.stream.scaladsl
    Merge$$anon$1.akka$stream$scaladsl$Merge$$anon$$dequeueAndDispatch
    1. akka.stream.scaladsl.Merge$$anon$1.akka$stream$scaladsl$Merge$$anon$$dequeueAndDispatch(Graph.scala:65)
    1 frame