Looks like a known issue, you'll need this hotfix from master: https://github.com/apache/flink-kubernetes-operator/pull/1140 ________________________________ From: Francis Altomare <[email protected]> Sent: Monday, July 27, 2026 10:40 AM To: [email protected] <[email protected]> Subject: Flink 2.3 in the Flink Kubernetes Operator version 1.15 deployments are failing
CAUTION: This Email is from an EXTERNAL source. Ensure you trust this sender before clicking on any links or attachments. Hi all, I’m currently running the latest version of the Flink K8s operator, version 1.15. According to the flinkVersion spec reference documentation, Flink v2_3 should be supported: https://urldefense.com/v3/__https://nightlies.apache.org/flink/flink-kubernetes-operator-docs-release-1.15/docs/custom-resource/reference/*flinkversion__;Iw!!J9se2MRVnDInnFn8uMt9!wMdZgZEr1R7W-COHYjymse1bOEtOL43o3NxHOMAOqUZHfBKqr6PZ2yRRm01PYK7gI1SOT7c7fYvC3FnL-oiOdFyLi42Y2uqY33nd$ However, deployments using this version are failing due to an unsupported Flink version exception. Does anyone happen to know if Flink 2.3 is supported in version 1.15 of the K8s operator? Thanks, Francis Form3 Technology Limited. Registered Office: Third Floor, 1 New Fetter Lane, London EC4A 1AN. Registered in England and Wales (registered number 13631478). Form3 Technology Limited is a wholly-owned subsidiary of Form3 Group Limited, whose registered office is at Third Floor, 1 New Fetter Lane, London EC4A 1AN. Registered in England and Wales (registered number 13762564).
