sarutak opened a new pull request #34649:
URL: https://github.com/apache/spark/pull/34649
### What changes were proposed in this pull request?
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This PR mitigate an issue that MiMa fails for Scala 2.13 after SPARK-35672
(##34120).
```
$ dev/change-scala-version.sh 2.13
$ dev/mima
...
[error] spark-core: Failed binary compatibility check against
org.apache.spark:spark-core_2.13:3.2.0! Found 8 potential problems (filtered
905)
[error] * method userClassPath()scala.collection.mutable.ListBuffer in
class org.apache.spark.executor.CoarseGrainedExecutorBackend#Arguments does not
have a correspondent in current version
[error] filter with:
ProblemFilters.exclude[DirectMissingMethodProblem]("org.apache.spark.executor.CoarseGrainedExecutorBackend#Arguments.userClassPath")
[error] * method
copy(java.lang.String,java.lang.String,java.lang.String,java.lang.String,Int,java.lang.String,scala.Option,scala.collection.mutable.ListBuffer,scala.Option,Int)org.apache.spark.executor.CoarseGrainedExecutorBackend#Arguments
in class org.apache.spark.executor.CoarseGrainedExecutorBackend#Arguments does
not have a correspondent in current version
[error] filter with:
ProblemFilters.exclude[DirectMissingMethodProblem]("org.apache.spark.executor.CoarseGrainedExecutorBackend#Arguments.copy")
[error] * synthetic method copy$default$10()Int in class
org.apache.spark.executor.CoarseGrainedExecutorBackend#Arguments does not have
a correspondent in current version
[error] filter with:
ProblemFilters.exclude[DirectMissingMethodProblem]("org.apache.spark.executor.CoarseGrainedExecutorBackend#Arguments.copy$default$10")
[error] * synthetic method
copy$default$8()scala.collection.mutable.ListBuffer in class
org.apache.spark.executor.CoarseGrainedExecutorBackend#Arguments has a
different result type in current version, where it is scala.Option rather than
scala.collection.mutable.ListBuffer
[error] filter with:
ProblemFilters.exclude[IncompatibleResultTypeProblem]("org.apache.spark.executor.CoarseGrainedExecutorBackend#Arguments.copy$default$8")
[error] * synthetic method copy$default$9()scala.Option in class
org.apache.spark.executor.CoarseGrainedExecutorBackend#Arguments has a
different result type in current version, where it is Int rather than
scala.Option
[error] filter with:
ProblemFilters.exclude[IncompatibleResultTypeProblem]("org.apache.spark.executor.CoarseGrainedExecutorBackend#Arguments.copy$default$9")
[error] * method
this(java.lang.String,java.lang.String,java.lang.String,java.lang.String,Int,java.lang.String,scala.Option,scala.collection.mutable.ListBuffer,scala.Option,Int)Unit
in class org.apache.spark.executor.CoarseGrainedExecutorBackend#Arguments does
not have a correspondent in current version
[error] filter with:
ProblemFilters.exclude[DirectMissingMethodProblem]("org.apache.spark.executor.CoarseGrainedExecutorBackend#Arguments.this")
[error] * the type hierarchy of object
org.apache.spark.executor.CoarseGrainedExecutorBackend#Arguments is different
in current version. Missing types {scala.runtime.AbstractFunction10}
[error] filter with:
ProblemFilters.exclude[MissingTypesProblem]("org.apache.spark.executor.CoarseGrainedExecutorBackend$Arguments$")
[error] * method
apply(java.lang.String,java.lang.String,java.lang.String,java.lang.String,Int,java.lang.String,scala.Option,scala.collection.mutable.ListBuffer,scala.Option,Int)org.apache.spark.executor.CoarseGrainedExecutorBackend#Arguments
in object org.apache.spark.executor.CoarseGrainedExecutorBackend#Arguments
does not have a correspondent in current version
[error] filter with:
ProblemFilters.exclude[DirectMissingMethodProblem]("org.apache.spark.executor.CoarseGrainedExecutorBackend#Arguments.apply")
...
```
It's funny that the class `Arguments` is `public` but it's a member class of
`CoarseGrainedExecutorBackend` which is `package private` and MiMa doesn't
raise error for Scala 2.12, but adding an exclusion rule is one workaround.
### Why are the changes needed?
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1. If you propose a new API, clarify the use case for a new API.
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To keep the build stable.
### Does this PR introduce _any_ user-facing change?
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the documentation fix.
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behavior difference if possible.
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the released Spark versions or within the unreleased branches such as master.
If no, write 'No'.
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No.
### How was this patch tested?
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it was difficult to add.
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for the consistent environment, and the instructions could accord to:
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Confirmed MiMa passed.
```
$ dev/change-scala-version.sh 2.13
$ dev/mima
```
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