From c14bf5dc4e62f3d07059282ed76c89485d027928 Mon Sep 17 00:00:00 2001
From: Yang Shi <kid7st@gmail.com>
Date: Sun, 3 Nov 2019 07:08:54 +0800
Subject: [PATCH] improve the log of panic recovering (#906)

---
 server/grpc/grpc.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/server/grpc/grpc.go b/server/grpc/grpc.go
index e037a0d1..9b66428e 100644
--- a/server/grpc/grpc.go
+++ b/server/grpc/grpc.go
@@ -7,6 +7,7 @@ import (
 	"fmt"
 	"net"
 	"reflect"
+	"runtime/debug"
 	"sort"
 	"strconv"
 	"strings"
@@ -340,7 +341,8 @@ func (g *grpcServer) processRequest(stream grpc.ServerStream, service *service,
 		fn := func(ctx context.Context, req server.Request, rsp interface{}) error {
 			defer func() {
 				if r := recover(); r != nil {
-					log.Logf("handler %s panic recovered, err: %s", mtype.method.Name, r)
+					log.Log("panic recovered: ", r)
+					log.Logf(string(debug.Stack()))
 				}
 			}()
 			returnValues = function.Call([]reflect.Value{service.rcvr, mtype.prepareContext(ctx), reflect.ValueOf(argv.Interface()), reflect.ValueOf(rsp)})