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[英]java.lang.NoSuchMethodError: scala.Predef$.ArrowAssoc(Ljava/lang/Object;)Ljava/lang/Object
[英]Use Flink in my IDEA, but run error: java.lang.NoSuchMethodError: scala.Predef$.ArrowAssoc,how to configure my scala version in the intelliJ?
Exception in thread "main" java.lang.NoSuchMethodError: scala.Predef$.ArrowAssoc(Ljava/lang/Object;)Ljava/lang/Object;
at akka.actor.setup.ActorSystemSetup$$anonfun$apply$1.apply(ActorSystemSetup.scala:36)
at akka.actor.setup.ActorSystemSetup$$anonfun$apply$1.apply(ActorSystemSetup.scala:36)
at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
at scala.collection.mutable.WrappedArray.foreach(WrappedArray.scala:34)
at scala.collection.TraversableLike$class.map(TraversableLike.scala:244)
at scala.collection.AbstractTraversable.map(Traversable.scala:105)
at akka.actor.setup.ActorSystemSetup$.apply(ActorSystemSetup.scala:36)
at akka.actor.setup.ActorSystemSetup$.create(ActorSystemSetup.scala:42)
at akka.actor.RobustActorSystem$.create(RobustActorSystem.scala:55)
at org.apache.flink.runtime.akka.AkkaUtils$.createActorSystem(AkkaUtils.scala:125)
at org.apache.flink.runtime.akka.AkkaUtils$.createActorSystem(AkkaUtils.scala:113)
at org.apache.flink.runtime.akka.AkkaUtils.createActorSystem(AkkaUtils.scala)
at org.apache.flink.runtime.minicluster.MiniCluster.createRpcService(MiniCluster.java:758)
at org.apache.flink.runtime.minicluster.MiniCluster.start(MiniCluster.java:257)
at org.apache.flink.streaming.api.environment.LocalStreamEnvironment.execute(LocalStreamEnvironment.java:120)
如果您混合使用Scala版本,通常會發生java.lang.NoSuchMethodError
。 例如,它可能是由針對Scala 2.11
和2.12
構建的不同依賴關系引起的。 請檢查所有依賴項以及群集是否使用相同的Scala版本。
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