java.lang.NullPointerException

GitHub | ElianoMarques | 6 months ago
  1. 0

    GitHub comment 139#236747738

    GitHub | 6 months ago | ElianoMarques
    java.lang.NullPointerException
  2. 0

    GitHub comment 139#236751519

    GitHub | 6 months ago | ElianoMarques
    java.lang.NullPointerException
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    samebug tip
    Assign onCickListener to imageView in ExpandableListView inside getChildView.
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    samebug tip
    The Fragment was destroyed, and getActivity() returned null. Don't destroy the Fragment.

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at scala.collection.immutable.StringOps$.length$extension()
    2. Scala
      StringOps.nonEmpty
      1. scala.collection.immutable.StringOps$.length$extension(StringOps.scala:47)
      2. scala.collection.immutable.StringOps.length(StringOps.scala:47)
      3. scala.collection.IndexedSeqOptimized$class.isEmpty(IndexedSeqOptimized.scala:27)
      4. scala.collection.immutable.StringOps.isEmpty(StringOps.scala:29)
      5. scala.collection.TraversableOnce$class.nonEmpty(TraversableOnce.scala:111)
      6. scala.collection.immutable.StringOps.nonEmpty(StringOps.scala:29)
      6 frames
    3. org.apache.spark
      AttributeGroup.<init>
      1. org.apache.spark.ml.attribute.AttributeGroup.<init>(AttributeGroup.scala:42)
      2. org.apache.spark.ml.attribute.AttributeGroup.<init>(AttributeGroup.scala:65)
      2 frames
    4. Spark Project ML Library
      VectorAssembler.transform
      1. org.apache.spark.ml.feature.VectorAssembler.transform(VectorAssembler.scala:94)
      1 frame
    5. Java RT
      DelegatingMethodAccessorImpl.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      3 frames