From bfd1099ef3ff724bd1f68db591438f07953d9a80 Mon Sep 17 00:00:00 2001
From: hannahhoward <hannah@hannahhoward.net>
Date: Wed, 1 Dec 2021 18:53:00 -0800
Subject: [PATCH] fix(main): fix bug in startup when tracing is not present

---
 cmd/lotus-miner/main.go | 4 +++-
 cmd/lotus/main.go       | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/cmd/lotus-miner/main.go b/cmd/lotus-miner/main.go
index 497a9e9fb..57b5d8a3e 100644
--- a/cmd/lotus-miner/main.go
+++ b/cmd/lotus-miner/main.go
@@ -66,7 +66,9 @@ func main() {
 		cmd := cmd
 		originBefore := cmd.Before
 		cmd.Before = func(cctx *cli.Context) error {
-			_ = jaeger.Shutdown(cctx.Context)
+			if jaeger != nil {
+				_ = jaeger.Shutdown(cctx.Context)
+			}
 			jaeger = tracing.SetupJaegerTracing("lotus/" + cmd.Name)
 
 			if cctx.IsSet("color") {
diff --git a/cmd/lotus/main.go b/cmd/lotus/main.go
index ddd695e68..c19b9fce4 100644
--- a/cmd/lotus/main.go
+++ b/cmd/lotus/main.go
@@ -47,7 +47,9 @@ func main() {
 		cmd := cmd
 		originBefore := cmd.Before
 		cmd.Before = func(cctx *cli.Context) error {
-			_ = jaeger.Shutdown(cctx.Context)
+			if jaeger != nil {
+				_ = jaeger.Shutdown(cctx.Context)
+			}
 			jaeger = tracing.SetupJaegerTracing("lotus/" + cmd.Name)
 
 			if originBefore != nil {