From 80e0f34032be465b5a098c53be2484907f370404 Mon Sep 17 00:00:00 2001
From: Bernhard B <bernhard@liftingcoder.com>
Date: Sat, 26 Sep 2026 21:33:47 +0200
Subject: [PATCH] fixed crash in json-rpc mode

* protect map access with mutex

see #885
---
 src/client/jsonrpc2.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/client/jsonrpc2.go b/src/client/jsonrpc2.go
index 94307cd..ccdcf09 100644
--- a/src/client/jsonrpc2.go
+++ b/src/client/jsonrpc2.go
@@ -262,7 +262,10 @@ func (r *JsonRpc2Client) ReceiveData(number string, receiveWebhookUrl string) {
 		err = json.Unmarshal([]byte(str), &resp2)
 		if err == nil {
 			if resp2.Id != "" {
-				if responseChan, ok := r.receivedResponsesById[resp2.Id]; ok {
+				r.receivedResponsesMutex.Lock()
+				responseChan, ok := r.receivedResponsesById[resp2.Id]
+				r.receivedResponsesMutex.Unlock()
+				if ok {
 					responseChan <- resp2
 				}
 			}