Exception in thread "main" java.lang.IllegalAccessError: DB has been closed

[Malkitti]

WARNING: Failed to load implementation from: com.github.fommil.netlib.NativeSystemBLAS [main] INFO epic.framework.ModelObjective - Inference took: 2.876s [main] INFO epic.parser.models.NeuralParserTrainer$ - Validating... [ForkJoinPool-1-worker-13] INFO epic.parser.ParseEval$ - Sentences parsed 100/100 (0.224s elapsed.) [main] INFO epic.parser.models.NeuralParserTrainer$ - Overall statistics for validation: Statistics(precision=1, recall=0.9403, f1=0.9692, exact=0.92, tagAccuracy=1) [main] INFO epic.dense.AdadeltaGradientDescentDVD - Step Size: 1.000 [main] INFO epic.framework.ModelObjective - Inference took: 2.660s [main] INFO epic.dense.AdadeltaGradientDescentDVD - Val and Grad Norm: 782.761 (rel: 0.329) 1884.69 [main] INFO epic.dense.AdadeltaGradientDescentDVD - Step Size: 1.000 Exception in thread "main" java.lang.IllegalAccessError: DB has been closed at org.mapdb.EngineWrapper.checkClosed(EngineWrapper.java:297) at org.mapdb.CacheWeakSoftRef.get(CacheWeakSoftRef.java:123) at org.mapdb.HTreeMap.get(HTreeMap.java:414) at scala.collection.convert.Wrappers$JConcurrentMapWrapper.get(Wrappers.scala:323) at scala.collection.mutable.MapLike$class.getOrElseUpdate(MapLike.scala:192) at scala.collection.mutable.AbstractMap.getOrElseUpdate(Map.scala:80) at epic.util.CacheBroker$CacheMap.getOrElseUpdate(Cache.scala:151) at epic.constraints.CachedChartConstraintsFactory.constraints(CachedChartConstraintsFactory.scala:31) at epic.parser.models.ParserInference$class.scorer(ParserModel.scala:51) at epic.parser.models.PositionalNeuralModel$Inference.scorer(PositionalNeuralModel.scala:148) at epic.parser.models.PositionalNeuralModel$Inference.scorer(PositionalNeuralModel.scala:148) at epic.framework.Model$class.accumulateCounts(Model.scala:52) at epic.parser.models.PositionalNeuralModel.accumulateCounts(PositionalNeuralModel.scala:30) at epic.framework.ModelObjective$$anonfun$3.apply(ModelObjective.scala:68) at epic.framework.ModelObjective$$anonfun$3.apply(ModelObjective.scala:65) at scala.collection.parallel.mutable.ParArray$ParArrayIterator.foldLeft_quick(ParArray.scala:174) at scala.collection.parallel.mutable.ParArray$ParArrayIterator.foldLeft(ParArray.scala:165) at scala.collection.parallel.ParIterableLike$Aggregate.leaf(ParIterableLike.scala:1008) at scala.collection.parallel.Task$$anonfun$tryLeaf$1.apply$mcV$sp(Tasks.scala:49) at scala.collection.parallel.Task$$anonfun$tryLeaf$1.apply(Tasks.scala:48) at scala.collection.parallel.Task$$anonfun$tryLeaf$1.apply(Tasks.scala:48) at scala.collection.parallel.Task$class.tryLeaf(Tasks.scala:51) at scala.collection.parallel.ParIterableLike$Aggregate.tryLeaf(ParIterableLike.scala:1005) at scala.collection.parallel.AdaptiveWorkStealingTasks$WrappedTask$class.internal(Tasks.scala:169) at scala.collection.parallel.AdaptiveWorkStealingForkJoinTasks$WrappedTask.internal(Tasks.scala:443) at scala.collection.parallel.AdaptiveWorkStealingTasks$WrappedTask$class.compute(Tasks.scala:149) at scala.collection.parallel.AdaptiveWorkStealingForkJoinTasks$WrappedTask.compute(Tasks.scala:443) at scala.concurrent.forkjoin.RecursiveAction.exec(RecursiveAction.java:160) at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)