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Posted to dev@flink.apache.org by "Rajat Pratap Singh (Jira)" <ji...@apache.org> on 2024/05/28 06:26:00 UTC

[jira] [Created] (FLINK-35470) Flink 1.18.1 and 1.19.0 having build jdk 1.8 and causing incompatibilities with Java 17

Rajat Pratap Singh created FLINK-35470:
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             Summary: Flink 1.18.1 and 1.19.0 having build jdk 1.8 and causing incompatibilities with Java 17
                 Key: FLINK-35470
                 URL: https://issues.apache.org/jira/browse/FLINK-35470
             Project: Flink
          Issue Type: Bug
          Components: Flink CDC
    Affects Versions: 1.18.1
            Reporter: Rajat Pratap Singh


I am writing flink jobs with latest release version for flink (1.18.1). The jobmanager is also deployed with the same version build. But we faced issues when we deployed the jobs. On further investigation, I noticed all libraries from flink have build jdk 1.8. is this the correct version? How to write flink jobs with Java 17 code and which library versions to use? Is Java 17 even supported on the client side or is it just on the server side support for java 17?



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