ericm-db commented on code in PR #47778:
URL: https://github.com/apache/spark/pull/47778#discussion_r1719381132
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/RocksDB.scala:
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@@ -19,11 +19,13 @@ package org.apache.spark.sql.execution.streaming.state
import java.io.File
import java.util.Locale
-import java.util.concurrent.TimeUnit
+import java.util.concurrent.{ConcurrentHashMap, TimeUnit}
+import java.util.concurrent.atomic.{AtomicBoolean, AtomicInteger}
import javax.annotation.concurrent.GuardedBy
import scala.collection.{mutable, Map}
import scala.collection.mutable.ListBuffer
+import scala.jdk.CollectionConverters.{ConcurrentMapHasAsScala, MapHasAsJava}
Review Comment:
It's used right here:
https://github.com/apache/spark/pull/47778/files#diff-4663b8349511dc040c3d5204bb6868064002d0b45aadaf1f1795a683897a5c7dR242
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