"Page not found" error when running assemble once

[asarasua]

I encounted a weird issue running this example.

To reproduce it:

1. Clone the repo
2. cd micronaut-spa-react/complete/
3. ./gradlew assembleServerAndClient
4. java -jar server/build/libs/server-0.1-all.jar

Now, accessing http://localhost:8080 returns {"message":"Page Not Found","_links":{"self":{"href":"/","templated":false}}}.

The issue dissapears by running steps 3 and 4 again. Also, it doesn't occur if yarn build was run before running step 3.

I reproduced this on two laptops on MacOS 10.15.6 and 10.14.6.

Any ideas on the possible reason for this?

Thanks for the great example anyway!