From 4f71fff388fb0896525675baf15aa011b55ba4df Mon Sep 17 00:00:00 2001
From: Jiquan Long <jiquan.long@zilliz.com>
Date: Tue, 4 Jan 2022 10:19:18 +0800
Subject: [PATCH] Fix panic when close IndexCoord (#14611)

Signed-off-by: dragondriver <jiquan.long@zilliz.com>
---
 internal/indexcoord/index_coord.go | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/internal/indexcoord/index_coord.go b/internal/indexcoord/index_coord.go
index 953935434..a8f062363 100644
--- a/internal/indexcoord/index_coord.go
+++ b/internal/indexcoord/index_coord.go
@@ -291,9 +291,18 @@ func (i *IndexCoord) Stop() error {
 	// https://github.com/milvus-io/milvus/issues/12282
 	i.UpdateStateCode(internalpb.StateCode_Abnormal)
 
-	i.loopCancel()
-	i.sched.Close()
+	if i.loopCancel != nil {
+		i.loopCancel()
+		log.Info("cancel the loop of IndexCoord")
+	}
+
+	if i.sched != nil {
+		i.sched.Close()
+		log.Info("close the task scheduler of IndexCoord")
+	}
+
 	i.loopWg.Wait()
+
 	for _, cb := range i.closeCallbacks {
 		cb()
 	}
-- 
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