From 4bc83ebcb522b6813a34dc9c07973273a8382f35 Mon Sep 17 00:00:00 2001
From: lirazyehezkel <61656597+lirazyehezkel@users.noreply.github.com>
Date: Mon, 11 Apr 2022 14:21:31 +0300
Subject: [PATCH] Fix WS error when switching from settings to traffic viewer
 (#985)

---
 ui-common/src/components/TrafficViewer/TrafficViewer.tsx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ui-common/src/components/TrafficViewer/TrafficViewer.tsx b/ui-common/src/components/TrafficViewer/TrafficViewer.tsx
index d9391ff6c..af72dd605 100644
--- a/ui-common/src/components/TrafficViewer/TrafficViewer.tsx
+++ b/ui-common/src/components/TrafficViewer/TrafficViewer.tsx
@@ -201,7 +201,9 @@ export const TrafficViewer: React.FC<TrafficViewerProps> = ({
 
   useEffect(() => {
     return () => {
-      ws.current.close();
+      if (ws?.current?.readyState === WebSocket.OPEN) {
+        ws.current.close();
+      }
     };
   }, []);