运行spark项目，出现下面奇怪的错误：

Error:scalac: Error: object FloatRef does not have a member create
scala.reflect.internal.FatalError: object FloatRef does not have a member create

at scala.reflect.internal.Definitions$DefinitionsClass.scala$reflect$internal$Definitions$DefinitionsClass$$fatalMissingSymbol(Definitions.scala:1166)

at scala.reflect.internal.Definitions$DefinitionsClass.getMember(Definitions.scala:1183)

at scala.reflect.internal.Definitions$DefinitionsClass.getMemberMethod(Definitions.scala:1218)

at scala.tools.nsc.transform.LambdaLift$$anonfun$scala$tools$nsc$transform$LambdaLift$$refCreateMethod$1.apply(LambdaLift.scala:41)

at scala.tools.nsc.transform.LambdaLift$$anonfun$scala$tools$nsc$transform$LambdaLift$$refCreateMethod$1.apply(LambdaLift.scala:41)

at scala.reflect.internal.util.Collections$$anonfun$mapFrom$1.apply(Collections.scala:182)

at scala.reflect.internal.util.Collections$$anonfun$mapFrom$1.apply(Collections.scala:182)

at scala.collection.immutable.List.map(List.scala:274)

at scala.reflect.internal.util.Collections$class.mapFrom(Collections.scala:182)

at scala.reflect.internal.SymbolTable.mapFrom(SymbolTable.scala:16)

at scala.tools.nsc.transform.LambdaLift.scala$tools$nsc$transform$LambdaLift$$refCreateMethod$lzycompute(LambdaLift.scala:41)

这是scala依赖库的问题，把
最后把IDEA依赖的scala版本改成scala2.10.4 就可以。

在IDEA下载scala很慢，给相关scala2.10.4下载地址:

https://scala-lang.org/files/archive/scala-2.10.4.zip