From 7b9cb834ff6dcc9af126c4cc541093b14cf5f691 Mon Sep 17 00:00:00 2001
From: Alena Varkockova <varkockova.a@gmail.com>
Date: Sun, 2 Apr 2017 22:02:09 +0200
Subject: [PATCH] Print out some cli error message for getservices

Currently, when you cann grpc_cli ls on an endpoint that does not have service reflection, the cli just silently ends without printing out any error or message.

This PR should fix that.
---
 test/cpp/util/grpc_tool.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/cpp/util/grpc_tool.cc b/test/cpp/util/grpc_tool.cc
index 856cd32c3ce..c7acb7c6313 100644
--- a/test/cpp/util/grpc_tool.cc
+++ b/test/cpp/util/grpc_tool.cc
@@ -321,6 +321,7 @@ bool GrpcTool::ListServices(int argc, const char** argv,
 
   std::vector<grpc::string> service_list;
   if (!desc_db.GetServices(&service_list)) {
+    fprintf(stderr, "Received an error when querying services endpoint.\n");
     return false;
   }