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https://issues.apache.org/jira/browse/SPARK-5757?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiangrui Meng resolved SPARK-5757.
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Resolution: Fixed
Fix Version/s: 1.3.0
> Use json4s instead of DataFrame.toJSON in model export
> ------------------------------------------------------
>
> Key: SPARK-5757
> URL: https://issues.apache.org/jira/browse/SPARK-5757
> Project: Spark
> Issue Type: Improvement
> Components: MLlib
> Affects Versions: 1.3.0
> Reporter: Xiangrui Meng
> Assignee: Xiangrui Meng
> Priority: Critical
> Fix For: 1.3.0
>
>
> We use DataFrame.toJSON to save/load model metadata, which depends on
> DataFrame's JSON support and subject to changes made there. To avoid
> conflicts, e.g., https://github.com/apache/spark/pull/4544, we should use
> json4s directly.
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