java.lang.NullPointerException

sourceforge.net | 4 months ago
  1. 0

    The Lemur Project / Discussion / RankLib:RankLib error when using LambdaMart

    sourceforge.net | 4 months ago
    java.lang.NullPointerException
  2. 0

    Android: Saving Map State in Google map

    Stack Overflow | 11 months ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at ciir.umass.edu.learning.tree.FeatureHistogram.findBestSplit()
    2. ciir.umass.edu
      Evaluator.main
      1. ciir.umass.edu.learning.tree.FeatureHistogram.findBestSplit(Unknown Source)
      2. ciir.umass.edu.learning.tree.Split.split(Unknown Source)
      3. ciir.umass.edu.learning.tree.RegressionTree.fit(Unknown Source)
      4. ciir.umass.edu.learning.tree.LambdaMART.learn(Unknown Source)
      5. ciir.umass.edu.learning.RankerTrainer.train(Unknown Source)
      6. ciir.umass.edu.eval.Evaluator.evaluate(Unknown Source)
      7. ciir.umass.edu.eval.Evaluator.main(Unknown Source)
      7 frames