+1 for compatibility with Java 21. Next step: Migrating the Pulsar Server runtime to Java 21 from Java 17 in the Docker image and CI. Pulsar Client/Admin continues to use Java 8.
Thanks, Zixuan Lari Hotari <lhot...@apache.org> 于2023年10月18日周三 06:02写道： > > Dear Pulsar community, > > Java 21 was released on September 19th and has now become the current Java > LTS release. > > I've begun preparations in the Pulsar code base to allow for Java 21 to be > used as the development runtime for compiling the code and running tests in > the master branch. This is a proactive measure to gear up for Java 21 without > committing to the switch just yet. It will help us understand the necessary > changes when we are able to compile the code and run all tests with Java 21. > > For instance, I initiated the process with the following PRs: > - Upgrade Mockito to 5.6.0 to support Java 21 [1] > - Upgrade Gradle Enterprise Maven Extension to support Java 21 [2] > After these are merged, it should be possible to start running tests with > Java 21 to see what is possibly broken and continue iterating. > Moreover, the upgrade to Lombok 1.18.30 for Java 21 support has already been > merged [3]. > > Java 17 has been the recommended runtime for Pulsar server components since > the Pulsar 2.11 release [4]. Meanwhile, the Pulsar client continues to be > supported on Java 8+. > > I would like to initiate discussions about making Java 21 the recommended and > default runtime for Pulsar server components. Note that there will be no > change to the Pulsar client, which will remain on Java 8+. > > I guess we could come up with a PIP to document the decision once we have had > this discussion. > > Do you think we can target the switch from Java 17 to Java 21 for the Pulsar > 3.2 release? > Could anyone update me on the current schedule for Pulsar 3.2? > > -Lari > > [1] - https://github.com/apache/pulsar/pull/21385 > [2] - https://github.com/apache/pulsar/pull/21384 > [3] - https://github.com/apache/pulsar/pull/21278 > [4] - > https://github.com/apache/pulsar#pulsar-runtime-java-version-recommendation
