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https://issues.apache.org/jira/browse/SPARK-28725?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean R. Owen resolved SPARK-28725.
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Resolution: Invalid
> Spark ML not able to de-serialize Logistic Regression model saved in previous
> version of Spark
> ----------------------------------------------------------------------------------------------
>
> Key: SPARK-28725
> URL: https://issues.apache.org/jira/browse/SPARK-28725
> Project: Spark
> Issue Type: Bug
> Components: ML
> Affects Versions: 2.4.3
> Environment: PROD
> Reporter: Sharad Varshney
> Priority: Major
>
> Logistic Regression model saved using Spark version 2.3.0 in HDI is not
> correctly de-serialized with Spark 2.4.3 version. It loads into the memory
> but probabilities it emits on inference is like 1.45 e-44(to 44th decimal
> place approx equal to 0)
>
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