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https://issues.apache.org/jira/browse/SPARK-31668?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiangrui Meng resolved SPARK-31668.
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Fix Version/s: 3.0.0
Resolution: Fixed
Issue resolved by pull request 28413
[https://github.com/apache/spark/pull/28413]
> Saving and loading HashingTF leads to hash function changed
> -----------------------------------------------------------
>
> Key: SPARK-31668
> URL: https://issues.apache.org/jira/browse/SPARK-31668
> Project: Spark
> Issue Type: Bug
> Components: ML
> Affects Versions: 3.0.0, 3.0.1, 3.1.0
> Reporter: Weichen Xu
> Assignee: Weichen Xu
> Priority: Blocker
> Fix For: 3.0.0
>
>
> If we use spark 2.x save HashingTF, and then use spark 3.0 load it, and then
> use spark 3.0 to save it again, and then use spark 3.0 to load it again, the
> hash function will be changed.
> This bug is hard to debug, we need to fix it.
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