The otel collector jaeger grpc exporter has been renamed from "jaeger_grpc" to "jaeger" (see 760). However the otel exporter example still uses the old name, and fails for version 0.5.0 of the collector.
The fix for this is simple, but I ended up getting a grpc error when connecting to the collector. I would like to look more into it, and see what the problems are.
@stefanprisca lmk if this shouldn't be assigned to you.