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LuciferYangdongjoon-hyun
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[SPARK-40497][BUILD] Re-upgrade Scala to 2.13.11
### What changes were proposed in this pull request? This PR aims to re-upgrade Scala to 2.13.11, after SPARK-45144 was merged, the build issues mentioned in #41943 should no longer exist. - https://www.scala-lang.org/news/2.13.11 Additionally, this pr adds a new suppression rule for warning message: `Implicit definition should have explicit type`, this is a new compile check introduced by scala/scala#10083, we must fix it when we upgrading to use Scala 3 ### Why are the changes needed? This release improves collections, adds support for JDK 20 and 21, adds support for JDK 17 `sealed`: - scala/scala#10363 - scala/scala#10184 - scala/scala#10397 - scala/scala#10348 - scala/scala#10105 There are 2 known issues in this version: - scala/bug#12800 - scala/bug#12799 For the first one, there is no compilation warning messages related to `match may not be exhaustive` in Spark compile log, and for the second one, there is no case of `method.isAnnotationPresent(Deprecated.class)` in Spark code, there is just https://github.com/apache/spark/blob/8c84d2c9349d7b607db949c2e114df781f23e438/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/JavaTypeInference.scala#L130 in Spark Code, and I checked `javax.annotation.Nonnull` no this issue. So I think These two issues will not affect Spark itself, but this doesn't mean it won't affect the code written by end users themselves The full release notes as follows: - https://github.com/scala/scala/releases/tag/v2.13.11 ### Does this PR introduce _any_ user-facing change? Yes, this is a Scala version change. ### How was this patch tested? - Existing Test ### Was this patch authored or co-authored using generative AI tooling? No Closes #42918 from LuciferYang/SPARK-40497-2. Authored-by: yangjie01 <[email protected]> Signed-off-by: Dongjoon Hyun <[email protected]>
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pom.xml

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<profile>
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<id>scala-2.13</id>
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<properties>
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<scala.version>2.13.8</scala.version>
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<scala.version>2.13.11</scala.version>
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<scala.binary.version>2.13</scala.binary.version>
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</properties>
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<build>
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-->
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<arg>-Wconf:cat=unused-imports&amp;src=org\/apache\/spark\/graphx\/impl\/VertexPartitionBase.scala:s</arg>
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<arg>-Wconf:cat=unused-imports&amp;src=org\/apache\/spark\/graphx\/impl\/VertexPartitionBaseOps.scala:s</arg>
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<!--
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SPARK-40497 Upgrade Scala to 2.13.11 and suppress `Implicit definition should have explicit type`
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-->
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<arg>-Wconf:msg=Implicit definition should have explicit type:s</arg>
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</args>
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<compilerPlugins combine.self="override">
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</compilerPlugins>

project/SparkBuild.scala

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// TODO(SPARK-43850): Remove the following suppression rules and remove `import scala.language.higherKinds`
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// from the corresponding files when Scala 2.12 is no longer supported.
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"-Wconf:cat=unused-imports&src=org\\/apache\\/spark\\/graphx\\/impl\\/VertexPartitionBase.scala:s",
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"-Wconf:cat=unused-imports&src=org\\/apache\\/spark\\/graphx\\/impl\\/VertexPartitionBaseOps.scala:s"
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"-Wconf:cat=unused-imports&src=org\\/apache\\/spark\\/graphx\\/impl\\/VertexPartitionBaseOps.scala:s",
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// SPARK-40497 Upgrade Scala to 2.13.11 and suppress `Implicit definition should have explicit type`
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"-Wconf:msg=Implicit definition should have explicit type:s"
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)
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}
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}

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