java.lang.UnsupportedOperationException: empty collection

GitHub | kristofa | 1 year ago
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    java.lang.UnsupportedOperationException: empty collection

    GitHub | 1 year ago | kristofa
    java.lang.UnsupportedOperationException: empty collection
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    Stack Overflow | 1 year ago | Daniel Imberman
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    GitHub | 1 year ago | hectcastro
    java.lang.UnsupportedOperationException: empty collection
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    java.lang.UnsupportedOperationException: empty collection

  1. rp 2 times, last 3 days ago

Root Cause Analysis

  1. java.lang.UnsupportedOperationException

    empty collection

    at org.apache.spark.rdd.RDD$$anonfun$reduce$1$$anonfun$apply$36.apply()
  2. Spark
    RDD$$anonfun$reduce$1$$anonfun$apply$36.apply
    1. org.apache.spark.rdd.RDD$$anonfun$reduce$1$$anonfun$apply$36.apply(RDD.scala:1009)
    2. org.apache.spark.rdd.RDD$$anonfun$reduce$1$$anonfun$apply$36.apply(RDD.scala:1009)
    2 frames
  3. Scala
    Option.getOrElse
    1. scala.Option.getOrElse(Option.scala:121)
    1 frame
  4. Spark
    RDD.reduce
    1. org.apache.spark.rdd.RDD$$anonfun$reduce$1.apply(RDD.scala:1009)
    2. org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:147)
    3. org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:108)
    4. org.apache.spark.rdd.RDD.withScope(RDD.scala:310)
    5. org.apache.spark.rdd.RDD.reduce(RDD.scala:989)
    5 frames
  5. io.zipkin.dependencies
    ZipkinDependenciesJob.main
    1. io.zipkin.dependencies.spark.cassandra.ZipkinDependenciesJob$.run(ZipkinDependenciesJob.scala:110)
    2. io.zipkin.dependencies.spark.cassandra.ZipkinDependenciesJob$.main(ZipkinDependenciesJob.scala:71)
    3. io.zipkin.dependencies.spark.cassandra.ZipkinDependenciesJob.main(ZipkinDependenciesJob.scala)
    3 frames