From 23dbc916e8a0ea72360fcda43fcccfc45f4dba80 Mon Sep 17 00:00:00 2001
From: Artur Wierzbicki <artur.wierzbicki@grafana.com>
Date: Fri, 13 Jan 2023 00:55:01 +0700
Subject: [PATCH] Live: Fix `Subscription to the channel already exists` live
 streaming error (#61406)

#60570: Fix `subscription to the channel already exists`
---
 public/app/features/live/centrifuge/service.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/public/app/features/live/centrifuge/service.ts b/public/app/features/live/centrifuge/service.ts
index 044db5eff2d..41042f10e8b 100644
--- a/public/app/features/live/centrifuge/service.ts
+++ b/public/app/features/live/centrifuge/service.ts
@@ -133,7 +133,10 @@ export class CentrifugeService implements CentrifugeSrv {
       return channel;
     }
     channel.shutdownCallback = () => {
-      this.open.delete(id); // remove it from the list of open channels
+      this.open.delete(id);
+
+      // without a call to `removeSubscription`, the subscription will remain in centrifuge's internal registry
+      this.centrifuge.removeSubscription(this.centrifuge.getSubscription(id));
     };
     this.open.set(id, channel);