java.lang.ArrayIndexOutOfBoundsException: -1

JIRA | Michal Malohlava | 3 years ago
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    1. Load smalldata/cars.csv dataset 2. GBM - 30k trees - depth 20 - minrows 1 - classification on cylinders 3. GBM fails at 9278 trees on java.lang.ArrayIndexOutOfBoundsException: -1 10:58:23.666 FJ-9-47 INFO WATER: at hex.gbm.DTree.node(DTree.java:54) 10:58:23.667 FJ-9-47 INFO WATER: at hex.gbm.DTree.decided(DTree.java:57) 10:58:23.666 FJ-9-36 ERRR WATER: + java.lang.ArrayIndexOutOfBoundsException: -1 + at hex.gbm.DTree.node(DTree.java:54) + at hex.gbm.DTree.decided(DTree.java:57) + at hex.gbm.SharedTreeModelBuilder$ScoreBuildHistogram.score_decide(SharedTreeModelBuilder.java:325) + at hex.gbm.SharedTreeModelBuilder$ScoreBuildHistogram.map(SharedTreeModelBuilder.java:279) + at water.MRTask2.compute2(MRTask2.java:348) + at water.H2O$H2OCountedCompleter.compute(H2O.java:683) + at jsr166y.CountedCompleter.exec(CountedCompleter.java:429) + at jsr166y.ForkJoinTask.doExec(ForkJoinTask.java:263) + at jsr166y.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:974) + at jsr166y.ForkJoinPool.runWorker(ForkJoinPool.java:1477) + at jsr166y.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:104) 10:58:23.668 FJ-9-47 INFO WATER: at hex.gbm.SharedTreeModelBuilder$ScoreBuildHistogram.score_decide(SharedTreeModelBuilder.java:325) 10:58:23.669 FJ-9-47 INFO WATER: at hex.gbm.SharedTreeModelBuilder$ScoreBuildHistogram.map(SharedTreeModelBuilder.java:279) 10:58:23.670 FJ-9-47 INFO WATER: at water.MRTask2.compute2(MRTask2.java:348) 10:58:23.671 FJ-9-47 INFO WATER: at water.H2O$H2OCountedCompleter.compute(H2O.java:683) 10:58:23.671 FJ-9-47 INFO WATER: at jsr166y.CountedCompleter.exec(CountedCompleter.java:429) 10:58:23.672 FJ-9-47 INFO WATER: at jsr166y.ForkJoinTask.doExec(ForkJoinTask.java:263) 10:58:23.673 FJ-9-47 INFO WATER: at jsr166y.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:974) 10:58:23.674 FJ-9-47 INFO WATER: at jsr166y.ForkJoinPool.runWorker(ForkJoinPool.java:1477) 10:58:23.674 FJ-9-47 INFO WATER: at jsr166y.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:104)

    JIRA | 3 years ago | Michal Malohlava
    java.lang.ArrayIndexOutOfBoundsException: -1

    Root Cause Analysis

    1. java.lang.ArrayIndexOutOfBoundsException

      -1

      at hex.gbm.DTree.node()
    2. hex.gbm
      DTree.decided
      1. hex.gbm.DTree.node(DTree.java:54)
      2. hex.gbm.DTree.decided(DTree.java:57)
      2 frames