xieshuaihu opened a new pull request, #44753:
URL: https://github.com/apache/spark/pull/44753
### What changes were proposed in this pull request?
Similar with SPARK-44794, propagate JobArtifactState to broadcast/subquery
thread.
This is an example:
```scala
val add1 = udf((i: Long) => i + 1)
val tableA = spark.range(2).alias("a")
val tableB =
broadcast(spark.range(2).select(add1(col("id")).alias("id"))).alias("b")
tableA.join(tableB).
where(col("a.id")===col("b.id")).
select(col("a.id").alias("a_id"), col("b.id").alias("b_id")).
collect().
mkString("[", ", ", "]")
```
Before this pr, this example will throw exception `ClassNotFoundException`.
Subquery and Broadcast execution use a separate ThreadPool which don't have the
`JobArtifactState`.
### Why are the changes needed?
Fix bug. Make Subquery/Broadcast thread work with Connect's artifact
management.
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
Add a new test to `ReplE2ESuite`
### Was this patch authored or co-authored using generative AI tooling?
No
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