bowenliang123 commented on code in PR #4879:
URL: https://github.com/apache/kyuubi/pull/4879#discussion_r1218119144


##########
kyuubi-util-scala/src/main/scala/org/apache/kyuubi/util/reflect/ReflectUtils.scala:
##########
@@ -37,32 +37,47 @@ object ReflectUtils {
       DynClasses.builder().loader(cl).impl(className).buildChecked()
     }.isSuccess
 
-  def getFieldVal[T](target: Any, fieldName: String): T =
+  def getField[T](target: Any, fieldName: String): T = {
+    val targetClass = target.getClass
     Try {
-      DynFields.builder().hiddenImpl(target.getClass, 
fieldName).build[T]().get(target)
+      DynFields.builder().hiddenImpl(targetClass, fieldName)
+        .buildChecked[T](target).get()
     } match {
       case Success(value) => value
-      case Failure(e) =>
-        val candidates = 
target.getClass.getDeclaredFields.map(_.getName).mkString("[", ",", "]")
-        throw new RuntimeException(s"$fieldName not in ${target.getClass} 
$candidates", e)
+      case Failure(t) =>
+        val candidates = targetClass.getFields.map(_.getName).sorted

Review Comment:
   Fixed.



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