Github user kervin521 commented on the issue:
https://github.com/apache/spark/pull/10368
Javaï¼org.apache.spark.SparkException: Task not serializable
Any method used in relation to sorting will be wrongly reported âTask not
serializableâ
EX:
sims.top(K, new Comparator<Tuple2<Object, Double>>(){})
sc.parallelize(Arrays.asList(_data)).zipWithIndex().sortByKey(new
Comparator<Double>)
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