Be conservative if you do not know the protocol.
@@ -221,7 +221,7 @@ void
RPCSend::handleReply(Reply::UP reply)
{
const IProtocol * protocol = _net->getOwner().getProtocol(reply->getProtocol());
- if (protocol->requireSequencing()) {
+ if (!protocol || protocol->requireSequencing()) {
doHandleReply(protocol, std::move(reply));
} else {
auto rejected = _net->getExecutor().execute(makeLambdaTask([this, protocol, reply = std::move(reply)]() mutable {
