java.lang.NullPointerException: This exception has no message.

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

Do you know how to solve this issue? Write a tip to help other users and build your expert profile.

Solutions on the web

via JIRA by Neeraja Madabhushi, 1 year ago
This exception has no message.
java.lang.NullPointerException:
at hex.Model.adaptTestForTrain(Model.java:807)
at hex.Model.adaptTestForTrain(Model.java:723)
at hex.ModelBuilder.cv_scoreCVModels(ModelBuilder.java:426)
at hex.ModelBuilder.computeCrossValidation(ModelBuilder.java:271)
at hex.ModelBuilder$1.compute2(ModelBuilder.java:199)
at water.H2O$H2OCountedCompleter.compute(H2O.java:1198)
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)

Users with the same issue

You are the first who have seen this exception. Write a tip to help other users and build your expert profile.

Write tip

Know the solutions? Share your knowledge to help other developers to debug faster.