cannot pull closed port PersistentConnection.responseIn

[johanandren]

In some scenario, the response stream closes before the asynchronous callback is handled. Could be a simple precondition/check missing.

IllegalArgumentException: cannot pull closed port (SubSinkInlet(PersistentConnection.responseIn))
  at a.s.s.GraphStageLogic$SubSinkInlet.pull(GraphStage.scala:1469)
  at a.h.i.e.h.c.PersistentConnection$Stage$$anon$1$Connected.<init>(PersistentConnection.scala:191)
  at a.h.i.e.h.c.PersistentConnection$Stage$$anon$1$Connecting.$anonfun$onConnected$1(PersistentConnection.scala:129)
  at a.h.i.e.h.c.PersistentConnection$Stage$$anon$1$Connecting.$anonfun$onConnected$1$adapted(PersistentConnection.scala:128)