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

Solutions on the web

via JIRA by Arno Candel, 1 year ago
This exception has no message.
via JIRA by Arno Candel, 2 years ago
This exception has no message.
java.lang.NullPointerException: 	at hex.ModelMetricsMultinomial$MetricBuilderMultinomial.(ModelMetricsMultinomial.java:102)	at hex.tree.SharedTreeModel.makeMetricBuilder(SharedTreeModel.java:95)	at hex.tree.Score.map(Score.java:43)	at water.MRTask.compute2(MRTask.java:615)	at water.H2O$H2OCountedCompleter.compute1(H2O.java:1091)	at hex.tree.Score$Icer.compute1(Score$Icer.java)	at water.H2O$H2OCountedCompleter.compute(H2O.java:1087)	at jsr166y.CountedCompleter.exec(CountedCompleter.java:468)	at jsr166y.ForkJoinTask.doExec(ForkJoinTask.java:263)	at jsr166y.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:974)	at jsr166y.ForkJoinPool.runWorker(ForkJoinPool.java:1477)	at jsr166y.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:104)