java.lang.NoSuchMethodError: scala.Predef$.$conforms()Lscala/Predef$$less$colon$less;

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    Root Cause Analysis

    1. java.lang.NoSuchMethodError

      scala.Predef$.$conforms()Lscala/Predef$$less$colon$less;

      at com.mongodb.spark.config.MongoCompanionConfig$class.getOptionsFromConf()
    2. com.mongodb.spark
      DefaultSource.createRelation
      1. com.mongodb.spark.config.MongoCompanionConfig$class.getOptionsFromConf(MongoCompanionConfig.scala:209)
      2. com.mongodb.spark.config.ReadConfig$.getOptionsFromConf(ReadConfig.scala:39)
      3. com.mongodb.spark.config.MongoCompanionConfig$class.apply(MongoCompanionConfig.scala:101)
      4. com.mongodb.spark.config.ReadConfig$.apply(ReadConfig.scala:39)
      5. com.mongodb.spark.sql.DefaultSource.createRelation(DefaultSource.scala:67)
      6. com.mongodb.spark.sql.DefaultSource.createRelation(DefaultSource.scala:50)
      7. com.mongodb.spark.sql.DefaultSource.createRelation(DefaultSource.scala:36)
      7 frames
    3. org.apache.spark
      ResolvedDataSource$.apply
      1. org.apache.spark.sql.execution.datasources.ResolvedDataSource$.apply(ResolvedDataSource.scala:158)
      1 frame
    4. Spark Project SQL
      DataFrameReader.load
      1. org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:119)
      1 frame
    5. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      4. java.lang.reflect.Method.invoke(Method.java:498)
      4 frames
    6. Py4J
      GatewayConnection.run
      1. py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:231)
      2. py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:381)
      3. py4j.Gateway.invoke(Gateway.java:259)
      4. py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:133)
      5. py4j.commands.CallCommand.execute(CallCommand.java:79)
      6. py4j.GatewayConnection.run(GatewayConnection.java:209)
      6 frames
    7. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame