Can't use MongoDB with Panache with multiple clients on the same instance

Describe the bug I have a MongoDB instance and several databases. I don't manage to use MongoDB with Panache for several entities on different databases.

Here a simplified version of my Kotlin code :

@MongoEntity(clientName = "db1", collection = "c1")
data class C1 @BsonCreator constructor(
  @BsonId var id: ObjectId = ObjectId()
) : PanacheMongoEntityBase()

My application.properties:

quarkus.mongodb.db1.connection-string=mongodb://127.0.0.1:27017
quarkus.mongodb.db1.database=db1-name

I have the following error:

org.jboss.resteasy.spi.UnhandledException: java.util.NoSuchElementException: Property quarkus.mongodb.database not found

I was expected that the database name was retrieved from quarkus.mongodb.db1.database. Am I missing something?

To Reproduce Here is a reproducer

Environment (please complete the following information):

Output of uname -a or ver:

Linux Envy 5.4.0-40-generic #44-Ubuntu SMP Tue Jun 23 00:01:04 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

Output of java -version:

openjdk version "1.8.0_252"
OpenJDK Runtime Environment Corretto-8.252.09.1 (build 1.8.0_252-b09)
OpenJDK 64-Bit Server VM Corretto-8.252.09.1 (build 25.252-b09, mixed mode)

GraalVM version (if different from Java):
Quarkus version or git rev: 1.6.0.Final

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

Maven home: .../.m2/wrapper/dists/apache-maven-3.6.3-bin/1iopthnavndlasol9gbrbg6bf2/apache-maven-3.6.3
Java version: 1.8.0_252, vendor: Amazon.com Inc., runtime: .../java/corretto-8.252.09.1/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "5.4.0-40-generic", arch: "amd64", family: "unix"

https://github.com/quarkusio/quarkus/issues/10812

$upstream:10812$

snowdrop-zen / quarkus

Can't use MongoDB with Panache with multiple clients on the same instance #151