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HI All Could some help to look into this item? And appreciate if you can forward this thread to the correct team if this is not finding the correct contact. Thanks. Regards Harper From: Wang, Harper (FRPPE) Sent: Wednesday, June 25, 2025 10:03 AM To: user@spark.apache.org Subject: pyspark4.0.0 still includes "jackson-mapper-asl.jar" that was supposed to be removed according to release note Hi All Hope you are doing well. Writing this email to clarify a problem for pyspark4.0.0. https://pypi.org/project/pyspark/#files I tried to download the file, and found the below JAR: pyspark-4.0.0/deps/jars/jackson-mapper-asl-1.9.13.jar Meanwhile as mentioned in release note(https://spark.apache.org/releases/spark-release-4-0-0.html), this JAR supposed to be removed from Spark4.0.0 already. jackson-mapper-asl 1.9.13 -> REMOVED Could you please confirm whether it's a pySpark packing issue? Thanks. Regards Harper Wang Morgan Stanley | Corporate & Funding Technology Kerry Parkside | 1155 Fang Dian Road, Pudong New Area 201204 Shanghai Phone: +86 21 2068-9037 haibo.w...@morganstanley.com<mailto:haibo.w...@morganstanley.com> ________________________________ If you have received this communication in error, please notify the sender immediately. Your communications with Morgan Stanley are subject to the Morgan Stanley General Disclaimers http://www.morganstanley.com/disclaimers/terms and Privacy Policies https://www.morganstanley.com/privacy-pledge. This email and any files attached may be sensitive, confidential, subject to legal privilege and/or otherwise protected from disclosure. Morgan Stanley is not acting as a municipal advisor and the opinions or views contained herein are not intended to be, and do not constitute, advice within the meaning of Section 975 of the Dodd Frank Wall Street Reform and Consumer Protection Act.