[EXPORTER] Error when grpc endpoint is empty #9219

Job	Run time
Bazel nortti	12m 26s
Bazel noexcept	11m 35s
Bazel asan config	14m 41s
Bazel on MacOS	20m 2s
Bazel	12m 16s
Bazel with async export	12m 33s
Bazel tsan config	12m 34s
Bazel valgrind	14m 39s
Bazel with external abseil	12m 27s
Benchmark	8m 8s
CMake test (with abseil)	5m 20s
CMake clang 15 (maintainer mode, abiv2)	14m 6s
CMake clang 15 (maintainer mode, async)	13m 58s
CMake clang 15 (maintainer mode, sync)	14m 5s
CMake do not install test (with otlp-exporter)	14m 35s
CMake gcc 13 (maintainer mode, async)	6m 52s
CMake gcc 13 (maintainer mode, sync)	6m 40s
CMake install test (with abseil)	4m 42s
CMake test (with modern protobuf,grpc and abseil)	17m 57s
CMake msvc (maintainer mode)	7m 55s
CMake msvc (maintainer mode) with C++20	9m 6s
CMake test (with opentracing-shim)	4m 11s
CMake test (build shared libraries with otlp-exporter and static gRPC)	14m 38s
CMake test (with otlp-exporter)	13m 53s
CMake test (without otlp-exporter)	5m 3s
CMake C++14 test(GCC)	4m 9s
CMake C++17 test(GCC)	4m 52s
CMake C++20 test(Clang with libc++)	9m 24s
CMake C++20 test(GCC)	8m 41s
CMake C++23 test(Clang with libc++)	9m 49s
CMake C++23 test(GCC)	8m 45s
CMake test (without otlp-exporter and with async export)	4m 58s
Code coverage	11m 43s
Copyright	5s
DocFX check	1m 2s
Format	14s
markdown-lint	6s
misspell	7s
Plugin -> CMake	1m 4s
CMake -> exporter proto	12m 13s
Bazel Windows	22m 53s
Plugin -> CMake Windows	7m 30s
CMake (With async export) -> exporter proto	12m 28s
CMake -> exporter proto (Build as DLL)	28m 18s
	7h 12m 43s

Provide feedback