diff --git a/cfg/rippled-example.cfg b/cfg/rippled-example.cfg
index 1ae87e11f79..79de9b23041 100644
--- a/cfg/rippled-example.cfg
+++ b/cfg/rippled-example.cfg
@@ -1641,6 +1641,7 @@ port = 6006
 ip = 127.0.0.1
 admin = 127.0.0.1
 protocol = ws
+send_queue_limit = 500
 
 [port_grpc]
 port = 50051
@@ -1651,6 +1652,7 @@ secure_gateway = 127.0.0.1
 #port = 6005
 #ip = 127.0.0.1
 #protocol = wss
+#send_queue_limit = 500
 
 #-------------------------------------------------------------------------------
 
diff --git a/src/ripple/json/impl/json_reader.cpp b/src/ripple/json/impl/json_reader.cpp
index e4124e9bc8f..299accd84a8 100644
--- a/src/ripple/json/impl/json_reader.cpp
+++ b/src/ripple/json/impl/json_reader.cpp
@@ -922,10 +922,8 @@ Reader::getLocationLineAndColumn(Location location) const
 {
     int line, column;
     getLocationLineAndColumn(location, line, column);
-    constexpr std::size_t n = 18 + 16 + 16 + 1;
-    char buffer[n];
-    snprintf(buffer, n, "Line %d, Column %d", line, column);
-    return buffer;
+    return "Line " + std::to_string(line) + ", Column " +
+        std::to_string(column);
 }
 
 std::string