cloud-fan commented on a change in pull request #28707:
URL: https://github.com/apache/spark/pull/28707#discussion_r441489537



##########
File path: 
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/StateStore.scala
##########
@@ -143,6 +145,16 @@ case class StateStoreCustomSumMetric(name: String, desc: 
String) extends StateSt
 case class StateStoreCustomSizeMetric(name: String, desc: String) extends 
StateStoreCustomMetric
 case class StateStoreCustomTimingMetric(name: String, desc: String) extends 
StateStoreCustomMetric
 
+/**
+ * An exception thrown when an invalid UnsafeRow is detected in state store.
+ */
+class InvalidUnsafeRowException
+  extends SparkException("The streaming query failed by state format 
invalidation. " +

Review comment:
       Does it have  to be `SparkException`?




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