java.lang.OutOfMemoryError: Java heap space

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java.lang.OutOfMemoryError: Java heap space
at scala.collection.mutable.ArrayBuilder$ofDouble.mkArray(ArrayBuilder.scala:518)
at scala.collection.mutable.ArrayBuilder$ofDouble.resize(ArrayBuilder.scala:524)
at scala.collection.mutable.ArrayBuilder$ofDouble.ensureSize(ArrayBuilder.scala:536)
at scala.collection.mutable.ArrayBuilder$ofDouble.$plus$plus$eq(ArrayBuilder.scala:549)
at scala.collection.mutable.ArrayBuilder$ofDouble.$plus$plus$eq(ArrayBuilder.scala:511)
at scala.collection.mutable.ArrayOps$$anonfun$flatten$2.apply(ArrayOps.scala:83)
at scala.collection.mutable.ArrayOps$$anonfun$flatten$2.apply(ArrayOps.scala:82)
at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186)
at scala.collection.mutable.ArrayOps$class.flatten(ArrayOps.scala:82)
at org.apache.spark.mllib.classification.NaiveBayesModel.(NaiveBayes.scala:56)
at org.apache.spark.mllib.classification.NaiveBayes.run(NaiveBayes.scala:433)
at org.apache.spark.ml.classification.NaiveBayes.train(NaiveBayes.scala:106)
at org.apache.spark.ml.classification.NaiveBayes.train(NaiveBayes.scala:76)
at org.apache.spark.ml.Predictor.fit(Predictor.scala:90)
at org.apache.spark.ml.Predictor.fit(Predictor.scala:71)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:237)
at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
at py4j.Gateway.invoke(Gateway.java:280)
at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:128)
at py4j.commands.CallCommand.execute(CallCommand.java:79)
at py4j.GatewayConnection.run(GatewayConnection.java:211)
at java.lang.Thread.run(Thread.java:745)

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