pan3793 commented on code in PR #5066:
URL: https://github.com/apache/kyuubi/pull/5066#discussion_r1269106981


##########
kyuubi-server/src/main/scala/org/apache/kyuubi/engine/ProcBuilder.scala:
##########
@@ -257,7 +261,13 @@ trait ProcBuilder {
       logCaptureThread = null
     }
     if (destroyProcess && process != null) {
-      process.destroyForcibly()
+      process.destroy()
+      if (!process.waitFor(engineStartupDestroyTimeout, 
TimeUnit.MILLISECONDS)) {
+        warn("Engine startup process does not exit after " + 
+          s"$engineStartupDestroyTimeout" ms, try to forcibly kill. " +

Review Comment:
   ```suggestion
             s"$engineStartupDestroyTimeout ms, try to forcibly kill. " +
   ```



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