在使用spark自定义累加器时提示如下错误： Exception in thread "main" org.apache.spark.SparkException: Task not serializableat org.apache.spark.util.ClosureCleaner$.ensureSerializable(ClosureCleaner.scala:298)at org.apa

问题背景 某天 跑 sparkSQL 的时候，遇到报错： org.apache.spark.SparkException: Job aborted. at org.apache.spark.sql.execution.datasources.FileFormatWriter . w r i t e ( F i l e F o r m a t W r i t e r . s c a l a : 1