Fabian Hueske created FLINK-16540:
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Summary: Fully specify bugfix version of Docker containers in
Flink Playground docker-compose.yaml files
Key: FLINK-16540
URL: https://issues.apache.org/jira/browse/FLINK-16540
Project: Flink
Issue Type: Improvement
Reporter: Fabian Hueske
Assignee: Fabian Hueske
I recently noticed that we do not guarantee client-jobmanager compatibility
among different bugfix versions of the same minor version (see
https://github.com/ververica/sql-training/issues/8 for details).
In this case, a job submitted via a Flink 1.9.0 client could not be executed on
a Flink 1.9.2 cluster.
For the playgrounds this can easily happen, because we build a custom Docker
image (with a fixed bugfix version) and load the latest Flink images for the
latest bugfix version of the same minor version.
We can avoid such problems by fixing the bugfix version of the Flink images
that we run in the playground.
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