java.lang.NullPointerException: This exception has no message.

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via GitHub by jypma
, 1 year ago
java.lang.NullPointerException:
at scala.collection.immutable.HashSet$HashTrieSet.iterator(HashSet.scala:965)
at akka.stream.impl.fusing.Fusing$.akka$stream$impl$fusing$Fusing$$descend(Fusing.scala:366)
at akka.stream.impl.fusing.Fusing$.doAggressive(Fusing.scala:44)
at akka.stream.impl.fusing.Fusing$.aggressive(Fusing.scala:34)
at akka.stream.impl.ActorMaterializerImpl.materialize(ActorMaterializerImpl.scala:144)
at akka.stream.impl.ActorMaterializerImpl.materialize(ActorMaterializerImpl.scala:138)
at akka.stream.scaladsl.RunnableGraph.run(Flow.scala:351)
at akka.stream.scaladsl.Source.runWith(Source.scala:81)
at akka.stream.javadsl.Source.runWith(Source.scala:521)
at com.tradeshift.reaktive.replication.DataCenterForwarder.lambda$2(DataCenterForwarder.java:117)
at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:26)
at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:21)
at scala.PartialFunction$class.applyOrElse(PartialFunction.scala:123)
at akka.japi.pf.UnitCaseStatement.applyOrElse(CaseStatements.scala:21)
at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:170)

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