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 ????
