I know some corps (including us) run Spark with a modified Hadoop client with JDK 25 in production, and all of our changes are included in this RC, thus I think we have already achieved Java 25 client support.
Thanks, Cheng Pan > On Mar 30, 2026, at 21:03, Steve Loughran <[email protected]> wrote: > > Java 25 work was done by Istvan Toth > > https://issues.apache.org/jira/browse/HADOOP-19486 > > I'm not sure what the state of that is -all the changes related to it. it > does depend on Java 17 support which is tagged as open > https://issues.apache.org/jira/browse/HADOOP-17177 > > 1. I think some JIRAs need cleaning up. > 2. While production hdfs/ yarn may hit problems, Istvan's work should mean > the basic stuff is good.
