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https://issues.apache.org/jira/browse/FLINK-40777?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martijn Visser resolved FLINK-40777.
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Fix Version/s: jdbc-5.0.0
Resolution: Fixed
Fixed in apache/flink-connector-jdbc:main
fe8c4e09b646092ab22579e40f1b3349b4fac610
> Run the XA connection tests against PostgreSQL
> ----------------------------------------------
>
> Key: FLINK-40777
> URL: https://issues.apache.org/jira/browse/FLINK-40777
> Project: Flink
> Issue Type: Technical Debt
> Components: Connectors / JDBC
> Reporter: Martijn Visser
> Assignee: Martijn Visser
> Priority: Major
> Labels: pull-request-available
> Fix For: jdbc-5.0.0
>
>
> SimpleXaConnectionProviderTest and TransactionIdConnectionTest are the only
> tests that commit a prepared XA transaction from a new connection, which is
> what the exactly-once committer and recovery rely on. Both run only on
> embedded Derby. FLINK-40730 replaces Derby with H2, and H2 discards a
> prepared transaction as soon as the connection that prepared it closes, so
> these tests cannot move there.
> This ticket makes them database-agnostic, runs them on PostgreSQL (the test
> container already sets max_prepared_transactions), adds a recover() test, and
> moves the XA_RDONLY case to a unit test: H2 never returns it, and the
> PostgreSQL driver returns it only for read-only connections, which the
> connector never opens.
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