spark2.1注册内部函数spark.udf.register("xx", xxx _),运行时抛出异常:Task not serializable
参考文章:
(1)spark2.1注册内部函数spark.udf.register("xx", xxx _),运行时抛出异常:Task not serializable
(2)https://www.cnblogs.com/yy3b2007com/p/8570796.html
(3)https://www.javazxz.com/thread-6069-1-1.html
备忘一下。