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https://issues.apache.org/jira/browse/SPARK-32364?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun resolved SPARK-32364.
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Fix Version/s: 3.1.0
3.0.1
Resolution: Fixed
Issue resolved by pull request 29160
[https://github.com/apache/spark/pull/29160]
> Use CaseInsensitiveMap for DataFrameReader/Writer options
> ---------------------------------------------------------
>
> Key: SPARK-32364
> URL: https://issues.apache.org/jira/browse/SPARK-32364
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.0.2, 2.1.3, 2.2.3, 2.3.4, 2.4.6, 3.0.0
> Reporter: Dongjoon Hyun
> Assignee: Dongjoon Hyun
> Priority: Major
> Fix For: 3.0.1, 3.1.0
>
>
> When a user have multiple options like path, paTH, and PATH for the same key
> path, option/options is non-deterministic because extraOptions is HashMap.
> This issue aims to use *CaseInsensitiveMap* instead of *HashMap* to fix this
> bug fundamentally.
> {code}
> spark.read
> .option("paTh", "1")
> .option("PATH", "2")
> .option("Path", "3")
> .option("patH", "4")
> .load("5")
> ...
> org.apache.spark.sql.AnalysisException:
> Path does not exist: file:/.../1;
> {code}
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