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.union(HashSet.scala:89)
at akka.stream.impl.StreamLayout$Module$class.compose(StreamLayout.scala:282)
at akka.stream.impl.StreamLayout$CompositeModule.compose(StreamLayout.scala:416)
at akka.stream.impl.StreamLayout$Module$class.fuse(StreamLayout.scala:194)
at akka.stream.impl.StreamLayout$CompositeModule.fuse(StreamLayout.scala:416)
at akka.stream.scaladsl.Flow.toMat(Flow.scala:109)
at akka.stream.scaladsl.Flow.to(Flow.scala:80)
at akka.stream.javadsl.Flow.to(Flow.scala:149)
at com.tradeshift.reaktive.replication.DataCenterForwarder.filteredDataCenterSink(DataCenterForwarder.java:188)
at com.tradeshift.reaktive.replication.DataCenterForwarder.lambda$2(DataCenterForwarder.java:114)
at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:26)
at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:21)
at scala.PartialFunction$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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