[EXPORTER] Error when grpc endpoint is empty #9117

Job	Run time
Bazel noexcept	12m 5s
Bazel asan config	14m 43s
Bazel nortti	12m 9s
Bazel on MacOS	41m 14s
Bazel	12m 40s
Bazel with async export	12m 28s
Bazel tsan config	13m 34s
Bazel valgrind	13m 53s
Bazel with external abseil	12m 35s
Benchmark	7m 43s
CMake test (with abseil)	4m 45s
CMake clang 15 (maintainer mode, abiv2)	13m 38s
CMake clang 15 (maintainer mode, async)	14m 10s
CMake clang 15 (maintainer mode, sync)	13m 44s
CMake do not install test (with otlp-exporter)	13m 43s
CMake gcc 13 (maintainer mode, async)	6m 33s
CMake gcc 13 (maintainer mode, sync)	6m 30s
CMake install test (with abseil)	4m 35s
CMake test (with modern protobuf,grpc and abseil)	18m 48s
CMake msvc (maintainer mode)	7m 25s
CMake msvc (maintainer mode) with C++20	9m 2s
CMake test (with opentracing-shim)	4m 11s
CMake test (build shared libraries with otlp-exporter and static gRPC)	13m 28s
CMake test (with otlp-exporter)	14m 17s
CMake test (without otlp-exporter)	4m 57s
CMake C++14 test(GCC)	4m 24s
CMake C++17 test(GCC)	4m 57s
CMake C++20 test(GCC)	8m 57s
CMake C++20 test(Clang with libc++)	9m 29s
CMake C++23 test(Clang with libc++)	9m 31s
CMake C++23 test(GCC)	8m 42s
CMake test (without otlp-exporter and with async export)	4m 36s
Code coverage	11m 46s
Copyright	6s
DocFX check	1m 2s
Format	16s
markdown-lint	6s
misspell	8s
Plugin -> CMake	1m 0s
CMake -> exporter proto	11m 47s
Bazel Windows	23m 8s
Plugin -> CMake Windows	6m 4s
CMake (With async export) -> exporter proto	12m 12s
CMake -> exporter proto (Build as DLL)	27m 1s
	7h 28m 2s

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