Axum match pattern failing to nest and route service

[spikeHollow]

Summary

Here's the code

let router = Router::new()
            .nest_service("/", /* capture all "/*" routes and forward it one service */*/some())
            .route_service("/", /* just check this / and forward it another service */another())

I expected it to happen like I described, nut, its just throwing route already registered error.
Initially, I discussed this in rust forum.
However I tried adding a wildcard "/*key" like they said and I got this error.

thread 'main' panicked at ~/.cargo/registry/src/index.crates.io-6f17d22bba15001f/axum-0.7.4/src/routing/path_router.rs:211:20:
Invalid route: nested routes cannot contain wildcards (*)
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

How to solve this issue?

axum version

0.7.4

[davidpdrsn]

That is by design. .nest_service("/") will match all requests, including /. So the routes are overlapping.

[jplatte]

Instead of nesting at / you can use router.fallback_service().