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java.lang.NullPointerException: 	at scala.Predef$.Integer2int(Predef.scala:392)	at org.apache.phoenix.spark.PhoenixRDD.phoenixTypeToCatalystType(PhoenixRDD.scala:148)	at org.apache.phoenix.spark.PhoenixRDD$$anonfun$phoenixSchemaToCatalystSchema$1.apply(PhoenixRDD.scala:131)	at org.apache.phoenix.spark.PhoenixRDD$$anonfun$phoenixSchemaToCatalystSchema$1.apply(PhoenixRDD.scala:130)	at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)	at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)	at scala.collection.Iterator$class.foreach(Iterator.scala:727)	at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)	at scala.collection.IterableLike$class.foreach(IterableLike.scala:72)	at scala.collection.AbstractIterable.foreach(Iterable.scala:54)	at scala.collection.TraversableLike$class.map(TraversableLike.scala:244)	at scala.collection.AbstractTraversable.map(Traversable.scala:105)	at org.apache.phoenix.spark.PhoenixRDD.phoenixSchemaToCatalystSchema(PhoenixRDD.scala:130)	at org.apache.phoenix.spark.PhoenixRDD.toDataFrame(PhoenixRDD.scala:114)	at org.apache.phoenix.spark.SparkSqlContextFunctions.phoenixTableAsDataFrame(SparkSqlContextFunctions.scala:37)	at undefined.$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC.(:31)	at undefined.$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC.(:36)	at undefined.$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC.(:38)	at undefined.$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC.(:40)	at undefined.$iwC$$iwC$$iwC$$iwC$$iwC$$iwC.(:42)	at undefined.$iwC$$iwC$$iwC$$iwC$$iwC.(:44)	at undefined.$iwC$$iwC$$iwC$$iwC.(:46)	at undefined.$iwC$$iwC$$iwC.(:48)	at undefined.$iwC$$iwC.(:50)	at undefined.$iwC.(:52)