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Posted to user@spark.apache.org by issues solution <is...@gmail.com> on 2017/05/10 09:43:12 UTC

CrossValidator and stackoverflowError

Hi ,
when i try to perform CrossValidator i get  the stackoverflowError

i have aleardy perform all  necessary transforimation Stringindexer vector
....
and save data frame in HDFS like parquet

afeter that i load all in new data frame and
split to train and test

when i try fit(train_set) i get stackoverflow why and why and why ??????

the dag should be independent from the all transofmation ??

all iteratuion should be apllied to  loaded data frame
why i cant cache data frame ????