# python: import pandas as pd
a = pd.DataFrame([[1, [2.3, 1.2]]], columns=['a', 'b']) a.to_parquet('a.parquet') # pyspark: d2 = spark.read.parquet('a.parquet') will return error: An error was encountered: An error occurred while calling o277.showString. : org.apache.spark.SparkException: Job aborted due to stage failure: Task 14 in stage 9.0 failed 4 times, most recent failure: Lost task 14.2 in stage 9.0 (TID 63, 10.169.0.196, executor 15): java.lang.IllegalArgumentException: Illegal Capacity: -221 how can I fix it? Thanks.