wangyum commented on a change in pull request #25775:
[WIP][SPARK-29015][SQL][test-hadoop3.2] fix bug for jdk11, can't use 'add jar'
jar's class as create table serde
URL: https://github.com/apache/spark/pull/25775#discussion_r324626881
##########
File path:
sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/HiveTableScanExec.scala
##########
@@ -120,7 +121,16 @@ case class HiveTableScanExec(
HiveShim.appendReadColumns(hiveConf, neededColumnIDs, output.map(_.name))
- val deserializer =
tableDesc.getDeserializerClass.getConstructor().newInstance()
+ val currentState = SessionState.get()
+ val deserializer = if (currentState != null) {
+ val originClassLoader = currentState.getConf.getClassLoader
+
currentState.getConf.setClassLoader(sparkSession.sharedState.jarClassLoader)
Review comment:
Another question is why this issue only occurs in JDK 11?
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