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via GitHub by car2008
, 1 year ago
via Stack Overflow by MichaelDD
, 2 years ago
via Stack Overflow by maher
, 5 months ago
java.lang.UnsupportedOperationException: empty collection	at org.apache.spark.rdd.RDD$$anonfun$first$1.apply(RDD.scala:1344)	at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:150)	at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:111)	at org.apache.spark.rdd.RDD.withScope(RDD.scala:316)	at org.apache.spark.rdd.RDD.first(RDD.scala:1341)	at com.neilferguson.PopStrat$.main(PopStrat.scala:110)	at com.neilferguson.PopStrat.main(PopStrat.scala)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$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)