Quarkus Dev UI - Clicking on gRPC - Services - service implementation class Uncaught exception received by Vert.x

[jjpinto]

Describe the bug

Describe the bug
I am seeing errors when trying to use the Quarkus Dev UI (on Quarkus 3.16.1) clicking on the service implementation class.

Expected behavior

A successful gRPC module opens like the same way as it is clicked on the down arrow.

Actual behavior

Seeing error exception in Chrome

How to Reproduce?

Run quickstart example grpc-plain-text
Open dev UI -> navigate Extensions -> gRPC -> Services
Click on io.quarkus.grpc.examples.hello.HelloWorldService implementation class

Output of uname -a or ver

Linux L91PLPG3 5.10.16.3-microsoft-standard-WSL2 #1 SMP Fri Apr 2 22:23:49 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux

Output of java -version

openjdk 22.0.1 2024-04-16

Quarkus version or git rev

3.16.1

Build tool (ie. output of mvnw --version or gradlew --version)

Apache Maven 3.9.5

Additional information

No response

[quarkus-bot]

/cc @alesj (grpc), @cescoffier (devui,grpc), @phillip-kruger (devui)

[alesj]

I'm trying / running quarkus/integration-tests/grpc-vertx as mvn clean quarkus:dev in upstream main,
and I'm not seeing the issue -- although it does say "Could not open your IDE" ...