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https://issues.apache.org/jira/browse/SPARK-58619?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cheng Pan resolved SPARK-58619.
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Fix Version/s: 4.3.0
Resolution: Fixed
Issue resolved by pull request 57831
[https://github.com/apache/spark/pull/57831]
> Assign SQLSTATE 08003 to the INVALID_HANDLE session sub-conditions
> ------------------------------------------------------------------
>
> Key: SPARK-58619
> URL: https://issues.apache.org/jira/browse/SPARK-58619
> Project: Spark
> Issue Type: Improvement
> Components: Connect, Spark Core
> Affects Versions: 4.3.0
> Reporter: Jiwon Park
> Assignee: Jiwon Park
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.3.0
>
>
> The {{INVALID_HANDLE}} session sub-conditions ({{SESSION_CHANGED}},
> {{SESSION_CLOSED}}, {{SESSION_NOT_FOUND}}) mean the server-side session
> backing a Connect client is gone, which SQL standard {{08003}} (connection
> does not exist) describes. They inherit {{INVALID_HANDLE}}'s generic
> {{HY000}}, so tools detecting dead connections by SQLSTATE class {{08}}
> cannot recognize them, and the Connect JDBC driver hard-codes a remapping as
> a workaround (raised in the SPARK-57933 review).
> Renaming them into a class-08 condition is not viable: released Connect
> clients match the condition names for session invalidation and reattach
> re-execution, and nothing in a new client can repair that direction. Per the
> PR discussion, support an optional sub-condition level {{sqlState}} in the
> error framework as a documented wire-compatibility exception and assign
> {{08003}} to the three session sub-conditions, with guardrails: the error
> README documents the exception, discourages new overrides even within the
> same error class, and notes a future server-side compatibility layer may
> remove it; a new {{SparkThrowableSuite}} invariant fails any sub-condition
> {{sqlState}} outside an explicit allowlist.
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