yaooqinn commented on a change in pull request #1312:
URL: https://github.com/apache/incubator-kyuubi/pull/1312#discussion_r738929684
##########
File path:
kyuubi-server/src/main/scala/org/apache/kyuubi/operation/KyuubiOperation.scala
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@@ -86,27 +87,37 @@ abstract class KyuubiOperation(
}
}
- override def cancel(): Unit = {
- if (_remoteOpHandle != null && !isClosedOrCanceled) {
- try {
- client.cancelOperation(_remoteOpHandle)
- setState(OperationState.CANCELED)
- } catch onError("cancelling")
+ override def cancel(): Unit = state.synchronized {
+ if (!isClosedOrCanceled) {
+ setState(OperationState.CANCELED)
+ if (_remoteOpHandle != null) {
Review comment:
I have no strong option of that, null testing looks fine to me
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