Venkata Sai Akhil Gudesa created SPARK-43227:
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Summary: Fix deserialisation issue when UDFs contain a lambda
expression
Key: SPARK-43227
URL: https://issues.apache.org/jira/browse/SPARK-43227
Project: Spark
Issue Type: Bug
Components: Connect
Affects Versions: 3.5.0
Reporter: Venkata Sai Akhil Gudesa
The following code:
{code:java}
class A(x: Int) { def get = x * 20 + 5 }
val dummyUdf = (x: Int) => new A(x).get
val myUdf = udf(dummyUdf)
spark.range(5).select(myUdf(col("id"))).as[Int].collect() {code}
hits the following error:
{noformat}
io.grpc.StatusRuntimeException: INTERNAL: cannot assign instance of
java.lang.invoke.SerializedLambda to field ammonite.$sess.cmd26$Helper.dummyUdf
of type scala.Function1 in instance of ammonite.$sess.cmd26$Helper
io.grpc.Status.asRuntimeException(Status.java:535)
io.grpc.stub.ClientCalls$BlockingResponseStream.hasNext(ClientCalls.java:660)
org.apache.spark.sql.connect.client.SparkResult.org$apache$spark$sql$connect$client$SparkResult$$processResponses(SparkResult.scala:62)
org.apache.spark.sql.connect.client.SparkResult.length(SparkResult.scala:114)
org.apache.spark.sql.connect.client.SparkResult.toArray(SparkResult.scala:131)
org.apache.spark.sql.Dataset.$anonfun$collect$1(Dataset.scala:2687)
org.apache.spark.sql.Dataset.withResult(Dataset.scala:3088)
org.apache.spark.sql.Dataset.collect(Dataset.scala:2686)
ammonite.$sess.cmd28$Helper.<init>(cmd28.sc:1)
ammonite.$sess.cmd28$.<init>(cmd28.sc:7)
ammonite.$sess.cmd28$.<clinit>(cmd28.sc){noformat}
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