From a117222cde0922f44fa956328deea9a38855b26b Mon Sep 17 00:00:00 2001 From: ginuerzh Date: Fri, 8 Apr 2022 21:17:22 +0800 Subject: [PATCH] fix panic in router metrics --- chain/route.go | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/chain/route.go b/chain/route.go index cf86bfd..7e6692c 100644 --- a/chain/route.go +++ b/chain/route.go @@ -119,9 +119,11 @@ func (r *Route) connect(ctx context.Context) (conn net.Conn, err error) { } node.Marker.Reset() - if v := metrics.GetObserver(metrics.MetricNodeConnectDurationObserver, - metrics.Labels{"chain": r.chain.name, "node": node.Name}); v != nil { - v.Observe(time.Since(start).Seconds()) + if r.chain != nil { + if v := metrics.GetObserver(metrics.MetricNodeConnectDurationObserver, + metrics.Labels{"chain": r.chain.name, "node": node.Name}); v != nil { + v.Observe(time.Since(start).Seconds()) + } } preNode := node