`String outputPath = “D:springboot-studytestpriceagaindependencyTAta4j-masterta4j-examplessrcmainjavasrcmlcnnpaperresources3output” + outputFile + “.csv”;
sharePriceCloseByIndexDF.write().csv(outputPath);`
there is a empty folder named outputTraining.csv,but no csv files there. T T
tried to use save(),and text(),get the same results
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