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https://issues.apache.org/jira/browse/FLINK-41156?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martijn Visser resolved FLINK-41156.
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Fix Version/s: jdbc-3.5.0
jdbc-4.1.1
Resolution: Fixed
Fixed in:
v3.4: 61ccd74981038d1589ad5ead790b46e07397a03e
v4.1: a67c30c466e13ce5760b1b8ebe2786b72a51e5bc
> Upgrade Testcontainers to 1.21.4 on the JDBC connector v4.1 and v3.4 branches
> to support Docker 29
> --------------------------------------------------------------------------------------------------
>
> Key: FLINK-41156
> URL: https://issues.apache.org/jira/browse/FLINK-41156
> Project: Flink
> Issue Type: Bug
> Components: Connectors / JDBC
> Affects Versions: jdbc-3.5.0, jdbc-4.1.1
> Reporter: Martijn Visser
> Assignee: Martijn Visser
> Priority: Blocker
> Fix For: jdbc-3.5.0, jdbc-4.1.1
>
>
> The v4.1 and v3.4 branches still use Testcontainers 1.20.1, which talks to
> Docker with API version 1.32. GitHub moved {{ubuntu-latest}} to Ubuntu 26.04,
> which ships Docker 29.4.2, and Docker 29 no longer accepts that API version.
> Every container test on these branches now fails before a container starts.
> The weekly run of 2026-10-25 is red on all three release cells, while main
> (Testcontainers 2.0.5) passed on JDK 11, 17 and 21:
> https://github.com/apache/flink-connector-jdbc/actions/runs/40147110871/job/121030695663
> (Flink 2.3.0, v4.1)
> https://github.com/apache/flink-connector-jdbc/actions/runs/40147110871/job/121030695759
> (Flink 2.2.1, v4.1)
> https://github.com/apache/flink-connector-jdbc/actions/runs/40147110871/job/121030695507
> (Flink 1.20.5, v3.4)
> {code}
> [ERROR]
> org.apache.flink.connector.jdbc.postgres.database.PostgresCatalogFactoryTest
> Time elapsed: 0.792 s <<< ERROR!
> java.lang.IllegalStateException: Could not find a valid Docker environment.
> Please see logs and check configuration
> at
> org.testcontainers.dockerclient.DockerClientProviderStrategy.getFirstValidStrategy(DockerClientProviderStrategy.java:268)
> at
> org.testcontainers.DockerClientFactory.client(DockerClientFactory.java:194)
> at
> org.testcontainers.containers.GenericContainer.start(GenericContainer.java:329)
> {code}
> The weekly of 2026-10-18 still ran on Ubuntu 24.04 with Docker 28.0.4 and
> passed on all cells. main moved to Testcontainers 1.21.4 in 02c7c530, which
> applies cleanly to both branches. FLINK-41071 did the same for the Cassandra
> connector.
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