[GitHub] [kyuubi] ulysses-you commented on a diff in pull request #4480: Close the thrift connection of KyuubiServer when backend engine is determined as dead by EngineAliveProbe

["ulysses-you (via GitHub)" <gi...@apache.org>]

ulysses-you commented on code in PR #4480:
URL: https://github.com/apache/kyuubi/pull/4480#discussion_r1130271789


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kyuubi-server/src/main/scala/org/apache/kyuubi/client/KyuubiSyncThriftClient.scala:
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@@ -193,7 +201,9 @@ class KyuubiSyncThriftClient private (
 
   def closeSession(): Unit = {
     try {

Review Comment:
   we can fast fail at the head of method, e.g. `if (isClosed) return`



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