Process failed abnormally: Unexpected H2O job stop: null

JunoSital

Hello,

possibly i have found a bug.

Reason: Unexpected H2O job stop: null

Error Log:

com.rapidminer.operator.OperatorException: Unexpected H2O job stop: null

at com.rapidminer.h2o.operator.H2OLearner.learn(H2OLearner.java:138)

at com.rapidminer.operator.learner.AbstractLearner.doWork(AbstractLearner.java:151)

at com.rapidminer.operator.Operator.execute(Operator.java:1032)

at com.rapidminer.operator.execution.SimpleUnitExecutor.execute(SimpleUnitExecutor.java:77)

at com.rapidminer.operator.ExecutionUnit$2.run(ExecutionUnit.java:812)

at com.rapidminer.operator.ExecutionUnit$2.run(ExecutionUnit.java:807)

at java.security.AccessController.doPrivileged(Native Method)

at com.rapidminer.operator.ExecutionUnit.execute(ExecutionUnit.java:807)

at com.rapidminer.extension.concurrency.operator.validation.CrossValidationOperator.train(CrossValidationOperator.java:805)

at com.rapidminer.extension.concurrency.operator.validation.CrossValidationOperator.access$200(CrossValidationOperator.java:77)

at com.rapidminer.extension.concurrency.operator.validation.CrossValidationOperator$8.call(CrossValidationOperator.java:666)

at com.rapidminer.extension.concurrency.operator.validation.CrossValidationOperator$8.call(CrossValidationOperator.java:656)

at com.rapidminer.extension.concurrency.execution.BackgroundExecutionService$ExecutionCallable.call(BackgroundExecutionService.java:365)

at com.rapidminer.studio.concurrency.internal.RecursiveWrapper.compute(RecursiveWrapper.java:88)

at java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:731)

at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)

at java.util.concurrent.ForkJoinPool.helpComplete(ForkJoinPool.java:1870)

at java.util.concurrent.ForkJoinPool.awaitJoin(ForkJoinPool.java:2045)

at java.util.concurrent.ForkJoinTask.doInvoke(ForkJoinTask.java:404)

at java.util.concurrent.ForkJoinTask.invoke(ForkJoinTask.java:734)

at com.rapidminer.studio.concurrency.internal.RecursiveWrapper.call(RecursiveWrapper.java:120)

at com.rapidminer.studio.concurrency.internal.AbstractConcurrencyContext.call(AbstractConcurrencyContext.java:135)

at com.rapidminer.studio.concurrency.internal.StudioConcurrencyContext.call(StudioConcurrencyContext.java:33)

at com.rapidminer.extension.concurrency.execution.BackgroundExecutionService.executeOperatorTasks(BackgroundExecutionService.java:401)

at com.rapidminer.extension.concurrency.operator.validation.CrossValidationOperator.performParallelValidation(CrossValidationOperator.java:680)

at com.rapidminer.extension.concurrency.operator.validation.CrossValidationOperator.doExampleSetWork(CrossValidationOperator.java:311)

at com.rapidminer.extension.concurrency.operator.validation.CrossValidationOperator.doWork(CrossValidationOperator.java:243)

at com.rapidminer.operator.Operator.execute(Operator.java:1032)

at com.rapidminer.operator.execution.SimpleUnitExecutor.execute(SimpleUnitExecutor.java:77)

at com.rapidminer.operator.ExecutionUnit$2.run(ExecutionUnit.java:812)

at com.rapidminer.operator.ExecutionUnit$2.run(ExecutionUnit.java:807)

at java.security.AccessController.doPrivileged(Native Method)

at com.rapidminer.operator.ExecutionUnit.execute(ExecutionUnit.java:807)

at com.rapidminer.extension.concurrency.operator.process_control.loops.AbstractLoopOperator.doIteration(AbstractLoopOperator.java:410)

at com.rapidminer.extension.concurrency.operator.process_control.loops.LoopParametersOperator.doIteration(LoopParametersOperator.java:387)

at com.rapidminer.extension.concurrency.operator.process_control.loops.AbstractLoopOperator.lambda$performParallelLoop$1(AbstractLoopOperator.java:272)

at com.rapidminer.extension.concurrency.execution.BackgroundExecutionService$ExecutionCallable.call(BackgroundExecutionService.java:365)

at com.rapidminer.studio.concurrency.internal.RecursiveWrapper.compute(RecursiveWrapper.java:88)

at java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:731)

at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)

at java.util.concurrent.ForkJoinPool$WorkQueue.execLocalTasks(ForkJoinPool.java:1040)

at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1058)

at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692)

at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157)

Caused by: java.lang.NullPointerException

at water.fvec.Vec.chunkForChunkIdx(Vec.java:892)

at water.MRTask.compute2(MRTask.java:612)

at water.MRTask.compute2(MRTask.java:585)

at water.MRTask.compute2(MRTask.java:585)

at water.H2O$H2OCountedCompleter.compute1(H2O.java:1219)

at hex.tree.Score$Icer.compute1(Score$Icer.java)

at water.H2O$H2OCountedCompleter.compute(H2O.java:1215)

at jsr166y.CountedCompleter.exec(CountedCompleter.java:468)

at jsr166y.ForkJoinTask.doExec(ForkJoinTask.java:263)

at jsr166y.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:976)

at jsr166y.ForkJoinPool.runWorker(ForkJoinPool.java:1491)

at jsr166y.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:104)

lionelderkrikor

Hi @JunoSital,

Can you please share your process (via File -> Export  Process) and your data in order we can reproduce this bug ?

Regards,

Lionel

JunoSital

Hello @lionelderkrikor,

unfortunately I cannot reproduce the error.
If the error occurs again, I export the dataset and process and post it again.

Alex