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  1. ,

    You are not deploying the oracle driver with the application. Place the driver jars in a shared or library extension folder of your application server. (You should go with option one or two though

  2. ,
    via by Unknown author

    Needs to add netty-transport-native-epoll with a OS classifier to the classpath, it's not included in netty-all

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java.lang.ClassNotFoundException: akka.cluster.ClusterActorRefProvider at at java.lang.ClassLoader.loadClass( at java.lang.ClassLoader.loadClass( at java.lang.Class.forName0(Native Method) at java.lang.Class.forName( at$$anonfun$getClassFor$1.apply(DynamicAccess.scala:67) at$$anonfun$getClassFor$1.apply(DynamicAccess.scala:66) at scala.util.Try$.apply(Try.scala:161) at at at$1(ActorSystem.scala:585) at<init>(ActorSystem.scala:578) at$.apply(ActorSystem.scala:142) at$.apply(ActorSystem.scala:119) at spark.jobserver.JobServer$.spark$jobserver$JobServer$$makeSupervisorSystem$1(JobServer.scala:154) at spark.jobserver.JobServer$$anonfun$main$1.apply(JobServer.scala:156)