bowenliang123 commented on code in PR #3699:
URL: https://github.com/apache/incubator-kyuubi/pull/3699#discussion_r1008711270


##########
extensions/spark/kyuubi-spark-authz/src/main/scala/org/apache/kyuubi/plugin/spark/authz/util/AuthZUtils.scala:
##########
@@ -46,6 +46,18 @@ private[authz] object AuthZUtils {
 
   def getFieldValOpt[T](o: Any, name: String): Option[T] = 
Try(getFieldVal[T](o, name)).toOption
 
+  def setFieldVal(o: Any, name: String, value: Any): Unit = {
+    Try {
+      val field = o.getClass.getDeclaredField(name)
+      field.setAccessible(true)
+      field.set(o, value)
+    } match {
+      case Success(_) =>
+      case Failure(e) =>
+        throw new RuntimeException(s"Failed to set ${o.getClass} field $name 
with value $value", e)

Review Comment:
   Maybe we could show all candidates of class as well, as the same way in 
getFieldVal.



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