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java.lang.ArrayIndexOutOfBoundsException: 0	at org.dia.core.SciTensor.(SciTensor.scala:39)	at org.dia.core.SciSparkContext$$anonfun$1.apply(SciSparkContext.scala:123)	at org.dia.core.SciSparkContext$$anonfun$1.apply(SciSparkContext.scala:93)	at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)	at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)	at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)	at scala.collection.Iterator$class.foreach(Iterator.scala:727)	at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)	at scala.collection.TraversableOnce$class.reduceLeft(TraversableOnce.scala:172)	at scala.collection.AbstractIterator.reduceLeft(Iterator.scala:1157)	at org.apache.spark.rdd.RDD$$anonfun$reduce$1$$anonfun$14.apply(RDD.scala:1011)	at org.apache.spark.rdd.RDD$$anonfun$reduce$1$$anonfun$14.apply(RDD.scala:1009)	at org.apache.spark.SparkContext$$anonfun$36.apply(SparkContext.scala:1951)	at org.apache.spark.SparkContext$$anonfun$36.apply(SparkContext.scala:1951)	at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:66)	at org.apache.spark.scheduler.Task.run(Task.scala:89)	at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:213)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)