Я пытаюсь интегрировать Alpakka Mongo Connector в приложение, которое сильно зависит от библиотек Akka для потоковой обработки. Приложение также использует Akka HTTP.
Я столкнулся с проблемой зависимости во время выполнения. В частности, я получаю NoClassDefFoundError
для некоторых оболочек Success/Failure, когда пытаюсь использовать метод MongoSink.insertOne
, предоставленный коннектором Mongo. Полная трассировка стека:
java.lang.NoClassDefFoundError: com/mongodb/reactivestreams/client/Success
at akka.stream.alpakka.mongodb.scaladsl.MongoFlow$.$anonfun$insertOne$1(MongoFlow.scala:44)
at akka.stream.impl.fusing.Map$$anon$1.onPush(Ops.scala:53)
at akka.stream.impl.fusing.GraphInterpreter.processPush(GraphInterpreter.scala:541)
at akka.stream.impl.fusing.GraphInterpreter.execute(GraphInterpreter.scala:423)
at akka.stream.impl.fusing.GraphInterpreterShell.runBatch(ActorGraphInterpreter.scala:625)
at akka.stream.impl.fusing.ActorGraphInterpreter$SimpleBoundaryEvent.execute(ActorGraphInterpreter.scala:56)
at akka.stream.impl.fusing.ActorGraphInterpreter$SimpleBoundaryEvent.execute$(ActorGraphInterpreter.scala:52)
at akka.stream.impl.fusing.ActorGraphInterpreter$BatchingActorInputBoundary$OnNext.execute(ActorGraphInterpreter.scala:95)
at akka.stream.impl.fusing.GraphInterpreterShell.processEvent(ActorGraphInterpreter.scala:600)
at akka.stream.impl.fusing.ActorGraphInterpreter.akka$stream$impl$fusing$ActorGraphInterpreter$$processEvent(ActorGraphInterpreter.scala:769)
at akka.stream.impl.fusing.ActorGraphInterpreter$$anonfun$receive$1.applyOrElse(ActorGraphInterpreter.scala:784)
at akka.actor.Actor.aroundReceive(Actor.scala:537)
at akka.actor.Actor.aroundReceive$(Actor.scala:535)
at akka.stream.impl.fusing.ActorGraphInterpreter.aroundReceive(ActorGraphInterpreter.scala:691)
at akka.actor.ActorCell.receiveMessage(ActorCell.scala:577)
at akka.actor.ActorCell.invoke(ActorCell.scala:547)
at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:270)
at akka.dispatch.Mailbox.run(Mailbox.scala:231)
at akka.dispatch.Mailbox.exec(Mailbox.scala:243)
at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:290)
at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1020)
at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1656)
at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1594)
at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183)
Caused by: java.lang.ClassNotFoundException: com.mongodb.reactivestreams.client.Success
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
... 24 more
Зависимости:
val akkaHttpVersion = "10.2.1"
val akkaVersion = "2.6.10"
val scalaTestVersion = "3.2.0"
val scalaHtmlScraperVersion = "2.2.0"
val loggerVersion = "1.2.3"
val alpakkaMongoVersion = "2.0.2"
libraryDependencies ++= Seq(
"org.mongodb.scala" %% "mongo-scala-driver" % "4.1.1",
"com.typesafe.akka" %% "akka-stream-typed" % akkaVersion,
"com.typesafe.akka" %% "akka-http" % akkaHttpVersion,
"com.typesafe.akka" %% "akka-http-spray-json" % akkaHttpVersion,
"com.lightbend.akka" %% "akka-stream-alpakka-mongodb" % "2.0.2",
"ch.qos.logback" % "logback-classic" % loggerVersion,
"org.scalactic" %% "scalactic" % scalaTestVersion,
"org.scalatest" %% "scalatest" % scalaTestVersion,
)
Я также пытался добавить зависимость org.mongodb:mongodb-driver-reactivestreams:4.1.1
, но по какой-то причине com.mongodb.reactivestreams.client.Success
не является частью двоичного файла. Я тоже пробовал разные версии. Некоторая помощь определенно будет оценена по достоинству. Я использую Скала 2.13.3