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This exception has no message.
java.lang.NullPointerException: 	at org.apache.spark.sql.SQLContext$.createListenerAndUI(SQLContext.scala:1367)	at org.apache.spark.sql.hive.HiveContext.(HiveContext.scala:101)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)	at java.lang.reflect.Constructor.newInstance(Constructor.java:526)	at org.apache.spark.repl.SparkILoop.createSQLContext(SparkILoop.scala:1028)	at $iwC$$iwC.(:15)	at $iwC.(:24)