Run a simple grpc-server with a unary service (it doesn't matter what, just keep it simple). Hit it with ghz -d 6s ... and don't specify the --duration-stop option, so the client closes connections ...
What did you see instead? request with deadline after 30 secnods thread is hanging forever. the code of connection: ManagedChannelBuilder<?> builder = ManagedChannelBuilder.forAddress(connID.getHost() ...