I think it was by https://github.com/apache/spark/commit/6ff9edcaf16c90007508f15de98fac361e234381
Adding Daniel and Chris. Let's don't block it the preview tho. We will have another one next month (Nov) On Sat, 27 Sept 2025 at 09:08, Manu Zhang <[email protected]> wrote: > Hi all, > > I'm integrating Spark 4.1(preview2-rc1) with Iceberg [1] and have to > change target byte code level from 11 to 17. Otherwise, Scala compile would > fail with following error. It compiled fine with preview1. > > "spark/v4.1/spark/src/main/scala/org/apache/spark/sql/stats/ThetaSketchAgg.scala:52:12: > Class java.lang.Record not found" > > May I know which change could have caused this between preview1 and > preview2-rc1? > > 1. https://github.com/apache/iceberg/pull/14155 > > Thanks, > Manu > > > Cheng Pan <[email protected]>于2025年9月26日 周五17:23写道： > >> +1 (non-binding) >> >> I tested it with Hadoop 3.4.2, in both SIMPLE and KERBEROS mode - >> SparkPi, Connect Server, and History Server work as expected. >> >> Thanks, >> Cheng Pan >> >> On Fri, Sep 26, 2025 at 4:56 PM Max Gekk <[email protected]> wrote: >> > >> > +1 >> > >> > On Wed, Sep 24, 2025 at 3:49 PM Wenchen Fan <[email protected]> >> wrote: >> >> >> >> +1 >> >> >> >> On Wed, Sep 24, 2025 at 7:29 PM <[email protected]> wrote: >> >>> >> >>> Please vote on releasing the following candidate as Apache Spark >> version 4.1.0-preview2. >> >>> >> >>> The vote is open until Sat, 27 Sep 2025 05:26:22 PDT and passes if a >> majority +1 PMC votes are cast, with >> >>> a minimum of 3 +1 votes. >> >>> >> >>> [ ] +1 Release this package as Apache Spark 4.1.0-preview2 >> >>> [ ] -1 Do not release this package because ... >> >>> >> >>> To learn more about Apache Spark, please see >> https://spark.apache.org/ >> >>> >> >>> The tag to be voted on is v4.1.0-preview2-rc1 (commit c5ff48cc2b2): >> >>> https://github.com/apache/spark/tree/v4.1.0-preview2-rc1 >> >>> >> >>> The release files, including signatures, digests, etc. can be found >> at: >> >>> https://dist.apache.org/repos/dist/dev/spark/v4.1.0-preview2-rc1-bin/ >> >>> >> >>> Signatures used for Spark RCs can be found in this file: >> >>> https://downloads.apache.org/spark/KEYS >> >>> >> >>> The staging repository for this release can be found at: >> >>> >> https://repository.apache.org/content/repositories/orgapachespark-1503/ >> >>> >> >>> The documentation corresponding to this release can be found at: >> >>> >> https://dist.apache.org/repos/dist/dev/spark/v4.1.0-preview2-rc1-docs/ >> >>> >> >>> The list of bug fixes going into 4.1.0-preview2 can be found at the >> following URL: >> >>> https://issues.apache.org/jira/projects/SPARK/versions/12355581 >> >>> >> >>> FAQ >> >>> >> >>> ========================= >> >>> How can I help test this release? >> >>> ========================= >> >>> >> >>> If you are a Spark user, you can help us test this release by taking >> >>> an existing Spark workload and running on this release candidate, then >> >>> reporting any regressions. >> >>> >> >>> If you're working in PySpark you can set up a virtual env and install >> >>> the current RC via "pip install >> https://dist.apache.org/repos/dist/dev/spark/v4.1.0-preview2-rc1-bin/pyspark-4.1.0.dev2.tar.gz >> " >> >>> and see if anything important breaks. >> >>> In the Java/Scala, you can add the staging repository to your >> project's resolvers and test >> >>> with the RC (make sure to clean up the artifact cache before/after so >> >>> you don't end up building with an out of date RC going forward). >> >>> >> >>> --------------------------------------------------------------------- >> >>> To unsubscribe e-mail: [email protected] >> >>> >> >> --------------------------------------------------------------------- >> To unsubscribe e-mail: [email protected] >> >>
