From 2675e9a80daaf5c965f57d956fb41541f4756828 Mon Sep 17 00:00:00 2001
From: fwang12 <fwang12@ebay.com>
Date: Mon, 25 Oct 2021 22:37:34 +0800
Subject: [PATCH] [KYUUBI #1290] Reset kinit attempt number once the command
 execute successfully to prevent transient error accumulation

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### _Why are the changes needed?_
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  1. If you add a feature, you can talk about the use case of it.
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Reset attempt number after kinit successfully to prevent transient error accumulation and fail the server.

### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible

- [ ] Add screenshots for manual tests if appropriate

- [ ] [Run test](https://kyuubi.readthedocs.io/en/latest/develop_tools/testing.html#running-tests) locally before make a pull request

Closes #1290 from turboFei/kinit_recover.

Closes #1290

c40c2fa6 [fwang12] Reset kinitMaxAttempts to 0 once the kinit command execute successfully to prevent transient error

Authored-by: fwang12 <fwang12@ebay.com>
Signed-off-by: Cheng Pan <chengpan@apache.org>
---
 .../scala/org/apache/kyuubi/server/KinitAuxiliaryService.scala   | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kyuubi-server/src/main/scala/org/apache/kyuubi/server/KinitAuxiliaryService.scala b/kyuubi-server/src/main/scala/org/apache/kyuubi/server/KinitAuxiliaryService.scala
index dd6f8e119..e8d149b32 100644
--- a/kyuubi-server/src/main/scala/org/apache/kyuubi/server/KinitAuxiliaryService.scala
+++ b/kyuubi-server/src/main/scala/org/apache/kyuubi/server/KinitAuxiliaryService.scala
@@ -52,6 +52,7 @@ class KinitAuxiliaryService() extends AbstractService("KinitAuxiliaryService") {
           val process = kinitProc.start()
           if (process.waitFor() == 0) {
             info(s"Successfully ${commands.mkString(" ")}")
+            kinitAttempts = 0
             executor.schedule(this, kinitInterval, TimeUnit.MILLISECONDS)
           } else {
             if (kinitAttempts >= kinitMaxAttempts) {