java.lang.NullPointerException

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  • GitHub comment 139#236747738
    via GitHub by ElianoMarques
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  • GitHub comment 139#236751519
    via GitHub by ElianoMarques
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    • java.lang.NullPointerException at scala.collection.immutable.StringOps$.length$extension(StringOps.scala:47) at scala.collection.immutable.StringOps.length(StringOps.scala:47) at scala.collection.IndexedSeqOptimized$class.isEmpty(IndexedSeqOptimized.scala:27) at scala.collection.immutable.StringOps.isEmpty(StringOps.scala:29) at scala.collection.TraversableOnce$class.nonEmpty(TraversableOnce.scala:111) at scala.collection.immutable.StringOps.nonEmpty(StringOps.scala:29) at org.apache.spark.ml.attribute.AttributeGroup.<init>(AttributeGroup.scala:42) at org.apache.spark.ml.attribute.AttributeGroup.<init>(AttributeGroup.scala:65) at org.apache.spark.ml.feature.VectorAssembler.transform(VectorAssembler.scala:94) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

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