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https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=18568&view=logs&j=c88eea3b-64a0-564d-0031-9fdcd7b8abee&t=ff888d9b-cd34-53cc-d90f-3e446d355529&l=1213
And the CI hangs until timeout after this test failure.