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Root Cause Analysis

  1. java.lang.AssertionError

    assertion failed: lapack.dppsv returned 23.

    at scala.Predef$.assert()
  2. Scala
    Predef$.assert
    1. scala.Predef$.assert(Predef.scala:179)
    1 frame
  3. org.apache.spark
    ALS$$anonfun$org$apache$spark$ml$recommendation$ALS$$computeFactors$1.apply
    1. org.apache.spark.ml.recommendation.ALS$CholeskySolver.solve(ALS.scala:393)
    2. org.apache.spark.ml.recommendation.ALS$$anonfun$org$apache$spark$ml$recommendation$ALS$$computeFactors$1.apply(ALS.scala:1170)
    3. org.apache.spark.ml.recommendation.ALS$$anonfun$org$apache$spark$ml$recommendation$ALS$$computeFactors$1.apply(ALS.scala:1131)
    3 frames