Patrick Grandjean created SPARK-27625:
-----------------------------------------
Summary: ScalaReflection.serializerFor fails for annotated types
Key: SPARK-27625
URL: https://issues.apache.org/jira/browse/SPARK-27625
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.3.2
Reporter: Patrick Grandjean
ScalaRelfection.serializerFor fails for annotated type. Example:
{code:java}
case class Foo(
field1: String,
field2: Option[String] @Bar
)
val rdd: RDD[Foo] = ...
val ds = rdd.toDS // fails at runtime{code}
The stack trace:
User class threw exception: scala.MatchError: scala.Option[String] @Bar (of
class scala.reflect.internal.Types$AnnotatedType)
at
org.apache.spark.sql.catalyst.ScalaReflection$$anonfun$org$apache$spark$sql$catalyst$ScalaReflection$$serializerFor$1.apply(ScalaReflection.scala:483)
at
org.apache.spark.sql.catalyst.ScalaReflection$$anonfun$org$apache$spark$sql$catalyst$ScalaReflection$$serializerFor$1.apply(ScalaReflection.scala:445)
at
scala.reflect.internal.tpe.TypeConstraints$UndoLog.undo(TypeConstraints.scala:56)
at
org.apache.spark.sql.catalyst.ScalaReflection$class.cleanUpReflectionObjects(ScalaReflection.scala:824)
at
org.apache.spark.sql.catalyst.ScalaReflection$.cleanUpReflectionObjects(ScalaReflection.scala:39)
at
org.apache.spark.sql.catalyst.ScalaReflection$.org$apache$spark$sql$catalyst$ScalaReflection$$serializerFor(ScalaReflection.scala:445)
at
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