Unable to print statistics after quitting

[Georgehe4]

Reproduce by loading several regions and then going to /quit

Oct 4, 2016 10:27:49 PM INFO: org.apache.parquet.hadoopException in thread "main" java.lang.IllegalStateException: Could not find monitor with tag [statistic=DriverTotalTime] at org.bdgenomics.utils.instrumentation.Metrics$.org$bdgenomics$utils$instrumentation$Metrics$$findMonitor(Metrics.scala:209) at org.bdgenomics.utils.instrumentation.Metrics$$anonfun$5.apply(Metrics.scala:173) at org.bdgenomics.utils.instrumentation.Metrics$$anonfun$5.apply(Metrics.scala:159) at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) at scala.collection.immutable.List.foreach(List.scala:318) at scala.collection.TraversableLike$class.map(TraversableLike.scala:244) at scala.collection.AbstractTraversable.map(Traversable.scala:105) at org.bdgenomics.utils.instrumentation.Metrics$.org$bdgenomics$utils$instrumentation$Metrics$$printRddOperations(Metrics.scala:159) at org.bdgenomics.utils.instrumentation.Metrics$$anonfun$print$1$$anonfun$apply$2.apply(Metrics.scala:138) at org.bdgenomics.utils.instrumentation.Metrics$$anonfun$print$1$$anonfun$apply$2.apply(Metrics.scala:138) at scala.Option.foreach(Option.scala:236) at org.bdgenomics.utils.instrumentation.Metrics$$anonfun$print$1.apply(Metrics.scala:138) at org.bdgenomics.utils.instrumentation.Metrics$$anonfun$print$1.apply(Metrics.scala:131) at scala.Option.foreach(Option.scala:236) at org.bdgenomics.utils.instrumentation.Metrics$.print(Metrics.scala:131) at org.bdgenomics.utils.cli.BDGSparkCommand$class.printMetrics(BDGCommand.scala:89) at org.bdgenomics.mango.cli.VizReads.printMetrics(VizReads.scala:467) at org.bdgenomics.utils.cli.BDGSparkCommand$class.run(BDGCommand.scala:64) at org.bdgenomics.mango.cli.VizReads.run(VizReads.scala:467) at org.bdgenomics.utils.cli.BDGCommandCompanion$class.main(BDGCommand.scala:33) at org.bdgenomics.mango.cli.VizReads$.main(VizReads.scala:60) at org.bdgenomics.mango.cli.VizReads.main(VizReads.scala) 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:483) at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:731) at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:181) at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:206) at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:121) at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala) .InternalParquetRecordReader: RecordReader initialized will read a total of 0 records.