Hi Arvid, I think what Kunni is mentioning is the compiled JDK version (JDK 17 here), not the targeted class file version (JDK 8 here). The target version could be lower than the JDK version used.
Actual target version could be determined by executing `javap -verbose X.class | grep version`, while the compiled JDK version could be found at META-INF/MANIFEST.MF file. Best Regards, Xiqian > 2025年4月9日 16:19，Arvid Heise <ahe...@confluent.io.INVALID> 写道： > > I have started another thread. Sources are unchanged and I just updated the > binaries. > > However, I found something odd. The release scripts currently hard code > Java 8 as a target. So I'm not sure how the previous binary was JDK 17. > Unfortunately, I deleted the binaries before checking. @Yanquan Lv > <decq12y...@gmail.com> , could you double check? Maybe it was major 52? > > Anyhow, the new binaries are major 55. I will contribute my updated release > scripts later today. > > Best, > > Arvid > > On Wed, Apr 9, 2025 at 6:41 AM Arvid Heise <ar...@apache.org> wrote: > >> Hi Yanquan, >> >> Thank you for noticing that. I do think we should support 11 and thus I >> will recompile it. >> >> I'm retracting RC1 and will build RC2 soonish. >> >> Best, >> >> Arvid >> >> On Wed, Apr 9, 2025, 06:22 Yanquan Lv <decq12y...@gmail.com> wrote: >> >>> Hi, Arvid. Thanks for your efforts in this release. >>> >>> I noticed that this released version was compiled using JDK 17, and there >>> is also flink-connector-elasticsearch[1] support for Flink 2.0 release, >>> which is compiled using JDK 11. >>> I checked the compiled version of Flink 2.0 release, which is also jdk11, >>> so it would be better for us to use this version. >>> Our CI has already covered version 11, but I think clarifying the compiled >>> version from the beginning will help build standards, What do you think? >>> >>> >>> [1] https://lists.apache.org/thread/y9wthpvtnl18hbb3rq5fjbx8g8k6wv2m >>> >>> Arvid Heise <ar...@apache.org> 于2025年4月8日周二 22:09写道： >>> >>>> Hi everyone, >>>> Please review and vote on release candidate #1 for flink-connector-kafka >>>> v4.0.0, as follows: >>>> [ ] +1, Approve the release >>>> [ ] -1, Do not approve the release (please provide specific comments) >>>> >>>> >>>> The complete staging area is available for your review, which includes: >>>> * JIRA release notes [1], >>>> * the official Apache source release to be deployed to dist.apache.org >>>> [2], >>>> which are signed with the key with fingerprint 538B49E9BCF0B72F [3], >>>> * all artifacts to be deployed to the Maven Central Repository [4], >>>> * source code tag v4.0.0-rc1 [5], >>>> * website pull request listing the new release [6]. >>>> * CI build of the tag [7]. >>>> >>>> The vote will be open for at least 72 hours. It is adopted by majority >>>> approval, with at least 3 PMC affirmative votes. >>>> >>>> Thanks, >>>> Arvid >>>> >>>> [1] >>>> >>>> >>> https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12315522&version=12352917 >>>> [2] >>>> >>>> >>> https://dist.apache.org/repos/dist/dev/flink/flink-connector-kafka-4.0.0-rc1 >>>> [3] https://dist.apache.org/repos/dist/release/flink/KEYS >>>> [4] >>>> >>>> >>> https://repository.apache.org/content/repositories/staging/org/apache/flink/flink-connector-kafka/4.0.0-2.0/ >>>> [5] >>>> https://github.com/apache/flink-connector-kafka/releases/tag/v4.0.0-rc1 >>>> [6] https://github.com/apache/flink-web/pull/787 >>>> [7] >>>> >>>> >>> https://github.com/apache/flink-connector-kafka/actions/runs/14334379006/job/40177587780 >>>> >>> >>
