LuciferYang commented on code in PR #41123:
URL: https://github.com/apache/spark/pull/41123#discussion_r1190178101
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common/utils/src/main/scala/org/apache/spark/util/JsonUtils.scala:
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@@ -25,9 +25,9 @@ import
com.fasterxml.jackson.databind.{DeserializationFeature, ObjectMapper}
import com.fasterxml.jackson.module.scala.DefaultScalaModule
-private[spark] object JsonUtils {
+private[spark] trait JsonUtils {
- private val mapper = new ObjectMapper().registerModule(DefaultScalaModule)
+ protected val mapper = new ObjectMapper().registerModule(DefaultScalaModule)
Review Comment:
And I want to know within what scope this `mapper` will be used in design?
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