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via JIRA by Parag Sanghavi, 1 year ago
This exception has no message.
via JIRA by Parag Sanghavi, 2 years ago
This exception has no message.
via Google Groups by Thushan Ganegedara, 11 months ago
java.lang.NullPointerException: 	at hex.ScoreKeeper.fillFrom(ScoreKeeper.java:42)	at hex.tree.SharedTree.doScoringAndSaveModel(SharedTree.java:415)	at hex.tree.gbm.GBM.access$800(GBM.java:20)	at hex.tree.gbm.GBM$GBMDriver.buildModel(GBM.java:138)	at hex.tree.SharedTree$Driver.compute2(SharedTree.java:195)	at water.H2O$H2OCountedCompleter.compute(H2O.java:698)	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)