Command body threw exception:
org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 0.0 failed 1 times, most recent failure: Lost task 0.0 in stage 0.0 (TID 0, localhost): java.lang.NullPointerException
at scala.collection.immutable.StringOps$.length$extension(StringOps.scala:49)
at scala.collection.immutable.StringOps.length(StringOps.scala:49)
at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:32)
at scala.collection.immutable.StringOps.foreach(StringOps.scala:31)
at scala.collection.TraversableOnce$class.count(TraversableOnce.scala:113)
at scala.collection.immutable.StringOps.count(StringOps.scala:31)
at org.bdgenomics.quinine.metrics.targeted.ReadStats$.apply(ReadStats.scala:204)
at org.bdgenomics.quinine.metrics.targeted.ReadStats$$anonfun$apply$1.apply(ReadStats.scala:253)
at org.bdgenomics.quinine.metrics.targeted.ReadStats$$anonfun$apply$1.apply(ReadStats.scala:253)