Did you run ./dev/change-scala-version.sh 2.13 ? that's required first to
update POMs. It works fine for me.
On Thu, Aug 26, 2021 at 8:33 PM Stephen Coy <s...@infomedia.com.au.invalid>
wrote:
> Hi all,
>
> Being adventurous I have built the RC1 code with:
>
> -Pyarn -Phadoop-3.2 -Pyarn -Phadoop-cloud -Phive-thriftserver -Phive-2.3
> -Pscala-2.13 -Dhadoop.version=3.2.2
>
>
> And then attempted to build my Java based spark application.
>
> However, I found a number of our unit tests were failing with:
>
> java.lang.NoClassDefFoundError: scala/collection/parallel/TaskSupport
>
> at org.apache.spark.SparkContext.$anonfun$union$1(SparkContext.scala:1412)
> at
> org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
> at
> org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:112)
> at org.apache.spark.SparkContext.withScope(SparkContext.scala:789)
> at org.apache.spark.SparkContext.union(SparkContext.scala:1406)
> at
> org.apache.spark.sql.execution.UnionExec.doExecute(basicPhysicalOperators.scala:698)
> at
> org.apache.spark.sql.execution.SparkPlan.$anonfun$execute$1(SparkPlan.scala:184)
> …
>
>
> I tracked this down to a missing dependency:
>
> <dependency>
> <groupId>org.scala-lang.modules</groupId>
>
> <artifactId>scala-parallel-collections_${scala.binary.version}</artifactId>
> </dependency>
>
>
> which unfortunately appears only in a profile in the pom files associated
> with the various spark dependencies.
>
> As far as I know it is not possible to activate profiles in dependencies
> in maven builds.
>
> Therefore I suspect that right now a Scala 2.13 migration is not quite as
> seamless as we would like.
>
> I stress that this is only an issue for developers that write unit tests
> for their applications, as the Spark runtime environment will always have
> the necessary dependencies available to it.
>
> (You might consider upgrading the
> org.scala-lang.modules:scala-parallel-collections_2.13 version from 0.2 to
> 1.0.3 though!)
>
> Cheers and thanks for the great work!
>
> Steve Coy
>
>
> On 21 Aug 2021, at 3:05 am, Gengliang Wang <ltn...@gmail.com> wrote:
>
> Please vote on releasing the following candidate as Apache Spark version
> 3.2.0.
>
> The vote is open until 11:59pm Pacific time Aug 25 and passes if a
> majority +1 PMC votes are cast, with a minimum of 3 +1 votes.
>
> [ ] +1 Release this package as Apache Spark 3.2.0
> [ ] -1 Do not release this package because ...
>
> To learn more about Apache Spark, please see http://spark.apache.org/
> <https://aus01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fspark.apache.org%2F&data=04%7C01%7Cscoy%40infomedia.com.au%7Cf676c41192834098897808d963fcb4ef%7C45d5407150f849caa59f9457123dc71c%7C0%7C0%7C637650759290514217%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=tRzO7nKQVesUseTOnoRJCMiAKyp16rLb%2Fg%2B5BOhjqg0%3D&reserved=0>
>
> The tag to be voted on is v3.2.0-rc1 (commit
> 6bb3523d8e838bd2082fb90d7f3741339245c044):
> https://github.com/apache/spark/tree/v3.2.0-rc1
> <https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fapache%2Fspark%2Ftree%2Fv3.2.0-rc1&data=04%7C01%7Cscoy%40infomedia.com.au%7Cf676c41192834098897808d963fcb4ef%7C45d5407150f849caa59f9457123dc71c%7C0%7C0%7C637650759290514217%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=4EDuJ10nFx207Jlu0%2BNguWYJlDFqjvZ8QP%2F6CSMIEBw%3D&reserved=0>
>
> The release files, including signatures, digests, etc. can be found at:
> https://dist.apache.org/repos/dist/dev/spark/v3.2.0-rc1-bin/
> <https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdist.apache.org%2Frepos%2Fdist%2Fdev%2Fspark%2Fv3.2.0-rc1-bin%2F&data=04%7C01%7Cscoy%40infomedia.com.au%7Cf676c41192834098897808d963fcb4ef%7C45d5407150f849caa59f9457123dc71c%7C0%7C0%7C637650759290514217%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=6u3eFtvqwg2OMIoHuGMbXipY7EQcM19o8XtOAh7x780%3D&reserved=0>
>
> Signatures used for Spark RCs can be found in this file:
> https://dist.apache.org/repos/dist/dev/spark/KEYS
> <https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdist.apache.org%2Frepos%2Fdist%2Fdev%2Fspark%2FKEYS&data=04%7C01%7Cscoy%40infomedia.com.au%7Cf676c41192834098897808d963fcb4ef%7C45d5407150f849caa59f9457123dc71c%7C0%7C0%7C637650759290524176%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=0NX5zVjQrDuPILwj8YQVLksgFy%2FAKaIoykDwgDGzwUQ%3D&reserved=0>
>
> The staging repository for this release can be found at:
> https://repository.apache.org/content/repositories/orgapachespark-1388
> <https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Frepository.apache.org%2Fcontent%2Frepositories%2Forgapachespark-1388&data=04%7C01%7Cscoy%40infomedia.com.au%7Cf676c41192834098897808d963fcb4ef%7C45d5407150f849caa59f9457123dc71c%7C0%7C0%7C637650759290524176%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=mmUik7UyysNyxZqTAlJsO28Bj%2B62x%2FuW%2FXSBvCht4dk%3D&reserved=0>
>
> The documentation corresponding to this release can be found at:
> https://dist.apache.org/repos/dist/dev/spark/v3.2.0-rc1-docs/
> <https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdist.apache.org%2Frepos%2Fdist%2Fdev%2Fspark%2Fv3.2.0-rc1-docs%2F&data=04%7C01%7Cscoy%40infomedia.com.au%7Cf676c41192834098897808d963fcb4ef%7C45d5407150f849caa59f9457123dc71c%7C0%7C0%7C637650759290534129%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=Iag8tq2yIdHITE%2FfQPdGTMZ%2BXHS0RQt%2FwF%2F3%2Bcc%2Fl84%3D&reserved=0>
>
> The list of bug fixes going into 3.2.0 can be found at the following URL:
> https://issues.apache.org/jira/projects/SPARK/versions/12349407
>
> <https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fissues.apache.org%2Fjira%2Fprojects%2FSPARK%2Fversions%2F12349407&data=04%7C01%7Cscoy%40infomedia.com.au%7Cf676c41192834098897808d963fcb4ef%7C45d5407150f849caa59f9457123dc71c%7C0%7C0%7C637650759290534129%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=ryp%2F9z%2B%2B2aKB%2BVlIkg5lJJ4jsDjo0Vkz6lnU46uIrSI%3D&reserved=0>
>
> This release is using the release script of the tag v3.2.0-rc1.
>
>
> 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 and see if anything important breaks, in the Java/Scala
> you can add the staging repository to your projects resolvers and test
> with the RC (make sure to clean up the artifact cache before/after so
> you don't end up building with a out of date RC going forward).
>
> ===========================================
> What should happen to JIRA tickets still targeting 3.2.0?
> ===========================================
> The current list of open tickets targeted at 3.2.0 can be found at:
> https://issues.apache.org/jira/projects/SPARK
> <https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fissues.apache.org%2Fjira%2Fprojects%2FSPARK&data=04%7C01%7Cscoy%40infomedia.com.au%7Cf676c41192834098897808d963fcb4ef%7C45d5407150f849caa59f9457123dc71c%7C0%7C0%7C637650759290534129%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=TjqglKWehxJXPstSkJuJ5GdTynwQ8nt9Llawr1ZyDIM%3D&reserved=0>
> and
> search for "Target Version/s" = 3.2.0
>
> Committers should look at those and triage. Extremely important bug
> fixes, documentation, and API tweaks that impact compatibility should
> be worked on immediately. Everything else please retarget to an
> appropriate release.
>
> ==================
> But my bug isn't fixed?
> ==================
> In order to make timely releases, we will typically not hold the
> release unless the bug in question is a regression from the previous
> release. That being said, if there is something which is a regression
> that has not been correctly targeted please ping me or a committer to
> help target the issue.
>
>
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