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https://issues.apache.org/jira/browse/SPARK-56459?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kent Yao resolved SPARK-56459.
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Fix Version/s: 4.2.0
Resolution: Fixed
Issue resolved by pull request 55324
[https://github.com/apache/spark/pull/55324]
> Fix MatchError in FileDataSourceV2.attachFilePath for fatal errors
> ------------------------------------------------------------------
>
> Key: SPARK-56459
> URL: https://issues.apache.org/jira/browse/SPARK-56459
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 4.2.0
> Reporter: Kent Yao
> Assignee: Kent Yao
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.2.0
>
>
> FileDataSourceV2.attachFilePath uses NonFatal pattern matching which does not
> match fatal errors like OutOfMemoryError. When OOM occurs during file reading
> (e.g., large Parquet row groups), the incomplete match causes a
> scala.MatchError that masks the original error.
> The fix adds a catch-all case to rethrow fatal errors directly, preserving
> the original error for proper JVM-level handling.
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