我正在尝试运行此代码：
MaptoChunk = basketchunks.mapPartitions(lambda x:Apriori(x,SupportThreshold))
for x in MaptoChunk.collect():
print x
我有一个名为Apriori的功能，如下所示：
def Apriori(baskets,Support):
Itemsets=baskets.map(lambda x:x[1])
......(To count frequent itesets)
return(freqsets) #this is an rdd
但是当我运行代码时，它给了我一个错误：
PicklingError: Could not serialize object: Exception: It appears that you
are attempting to reference SparkContext from a broadcast variable, action,
or transformation. SparkContext can only be used on the driver, not in code
that it run on workers. For more information, see SPARK-5063.
有人能告诉我如何保存每个分区的地图值： 我的代码有什么问题