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via JIRA by Arno Candel, 1 year ago
java.lang.IllegalArgumentException: Can not compute rollup stats while vec is being modified. (2)	at water.fvec.RollupStats$ComputeRollupsTask.installResponse(RollupStats.java:379)	at water.fvec.RollupStats$ComputeRollupsTask.access$700(RollupStats.java:355)	at water.fvec.RollupStats$ComputeRollupsTask$1.callback(RollupStats.java:431)	at water.fvec.RollupStats$ComputeRollupsTask$1.callback(RollupStats.java:424)	at water.H2O$H2OCallback.onCompletion(H2O.java:1150)	at jsr166y.CountedCompleter.__tryComplete(CountedCompleter.java:425)	at jsr166y.CountedCompleter.tryComplete(CountedCompleter.java:383)	at water.MRTask.compute2(MRTask.java:641)	at water.H2O$H2OCountedCompleter.compute1(H2O.java:1091)	at water.fvec.RollupStats$Roll$Icer.compute1(RollupStats$Roll$Icer.java)	at water.H2O$H2OCountedCompleter.compute(H2O.java:1087)	at jsr166y.CountedCompleter.exec(CountedCompleter.java:468)	at jsr166y.ForkJoinTask.doExec(ForkJoinTask.java:263)	at jsr166y.ForkJoinPool$WorkQueue.pollAndExecAll(ForkJoinPool.java:914)	at jsr166y.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:979)	at jsr166y.ForkJoinPool.runWorker(ForkJoinPool.java:1477)	at jsr166y.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:104)