Rulefit tests testDiabetesWithWeights, testBestPracticeExampleWithLinearVariables failing

h2oai / h2o-3

H2O is an Open Source, Distributed, Fast & Scalable Machine Learning Platform: Deep Learning, Gradient Boosting (GBM) & XGBoost, Random Forest, Generalized Linear Modeling (GLM with Elastic Net), K-Means, PCA, Generalized Additive Models (GAM), RuleFit, Support Vector Machine (SVM), Stacked Ensembles, Automatic Machine Learning (AutoML), etc.

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testDiabetesWithWeights, testBestPracticeExampleWithLinearVariables are failing on master miultinode with this exception:

{code:java} 09-03 17:52:47.828 192.168.0.129:54329 20448 FJ-1-27 INFO water.default: Completing model RuleFit_model_1599148293256_12 09-03 17:52:47.829 192.168.0.129:54329 20448 FJ-1-27 ERROR water.default: java.lang.NullPointerException at water.fvec.Frame.(Frame.java:170) at hex.ModelBuilder.init(ModelBuilder.java:1196) at hex.tree.SharedTree.init(SharedTree.java:117) at hex.tree.drf.DRF.init(DRF.java:53) at hex.tree.drf.DRF.(DRF.java:36) at hex.rulefit.RuleFit$RuleFitDriver.trainTreeModel(RuleFit.java:272) at hex.rulefit.RuleFit$RuleFitDriver.computeImpl(RuleFit.java:188) at hex.ModelBuilder$Driver.compute2(ModelBuilder.java:238) at water.H2O$H2OCountedCompleter.compute(H2O.java:1563) at jsr166y.CountedCompleter.exec(CountedCompleter.java:468) 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) {code}

h2oai / h2o-3

Rulefit tests testDiabetesWithWeights, testBestPracticeExampleWithLinearVariables failing #7892