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via Google Groups by Punit Naik, 1 year ago
org.formcept.wisdom.RFMCKey cannot be cast to java.lang.Comparable at org.spark-project.guava.collect.NaturalOrdering.compare(NaturalOrdering.java:28)
via Stack Overflow by Punit Naik
, 1 year ago
org.formcept.wisdom.RFMCKey cannot be cast to java.lang.Comparable at org.spark-project.guava.collect.NaturalOrdering.compare(NaturalOrdering.java:28)
via Stack Overflow by Unknown author, 2 years ago
scala.Tuple2 cannot be cast to java.lang.Comparable at org.spark-project.guava.collect.NaturalOrdering.compare(NaturalOrdering.java:28)
java.lang.ClassCastException: org.formcept.wisdom.RFMCKey cannot be cast to java.lang.Comparable
    at org.spark-project.guava.collect.NaturalOrdering.compare(NaturalOrdering.java:28)	at scala.math.LowPriorityOrderingImplicits$$anon$7.compare(Ordering.scala:153)	at org.apache.spark.util.collection.ExternalSorter$$anon$8.compare(ExternalSorter.scala:170)	at org.apache.spark.util.collection.ExternalSorter$$anon$8.compare(ExternalSorter.scala:164)	at org.apache.spark.util.collection.TimSort.countRunAndMakeAscending(TimSort.java:252)	at org.apache.spark.util.collection.TimSort.sort(TimSort.java:110)	at org.apache.spark.util.collection.Sorter.sort(Sorter.scala:37)	at org.apache.spark.util.collection.SizeTrackingPairBuffer.destructiveSortedIterator(SizeTrackingPairBuffer.scala:83)	at org.apache.spark.util.collection.ExternalSorter.partitionedIterator(ExternalSorter.scala:687)	at org.apache.spark.util.collection.ExternalSorter.iterator(ExternalSorter.scala:705)	at org.apache.spark.shuffle.hash.HashShuffleReader.read(HashShuffleReader.scala:64)	at org.apache.spark.rdd.ShuffledRDD.compute(ShuffledRDD.scala:92)	at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:277)	at org.apache.spark.CacheManager.getOrCompute(CacheManager.scala:70)	at org.apache.spark.rdd.RDD.iterator(RDD.scala:242)	at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35)	at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:277)	at org.apache.spark.rdd.RDD.iterator(RDD.scala:244)	at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:61)	at org.apache.spark.scheduler.Task.run(Task.scala:64)	at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:203)	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:745)