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scala.Predef$.$conforms()Lscala/Predef$$less$colon$less;
java.lang.NoSuchMethodError: scala.Predef$.$conforms()Lscala/Predef$$less$colon$less; at com.mongodb.spark.config.MongoCompanionConfig$class.getOptionsFromConf(MongoCompanionConfig.scala:209) at com.mongodb.spark.config.ReadConfig$.getOptionsFromConf(ReadConfig.scala:39) at com.mongodb.spark.config.MongoCompanionConfig$class.apply(MongoCompanionConfig.scala:101) at com.mongodb.spark.config.ReadConfig$.apply(ReadConfig.scala:39) at com.mongodb.spark.sql.DefaultSource.createRelation(DefaultSource.scala:67) at com.mongodb.spark.sql.DefaultSource.createRelation(DefaultSource.scala:50) at com.mongodb.spark.sql.DefaultSource.createRelation(DefaultSource.scala:36) at org.apache.spark.sql.execution.datasources.ResolvedDataSource$.apply(ResolvedDataSource.scala:158) at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:119) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:231) at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:381) at py4j.Gateway.invoke(Gateway.java:259) at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:133) at py4j.commands.CallCommand.execute(CallCommand.java:79) at py4j.GatewayConnection.run(GatewayConnection.java:209) at java.lang.Thread.run(Thread.java:745)