Running a simple collect method on a group of Avro objects causes a plain
NullPointerException. Does anyone know what may be wrong?
>files.collect()
Press ENTER or type command to continue
Exception in thread "Executor task launch worker-0"
java.lang.NullPointerException
at
org.apache.spark.executor.Executor$TaskRunner$$anonfun$2.apply(Executor.scala:254)
at
org.apache.spark.executor.Executor$TaskRunner$$anonfun$2.apply(Executor.scala:254)
at scala.Option.flatMap(Option.scala:170)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:254)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
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