Quarkus: Native image build crashes if RestClient includes bigdecimal objects

[sassko]

Describe the bug
Since upgrading from Quarkus 1.4.1.Final to 1.4.2.Final or 1.5.0.Final it is not possible to build a native image if a RestClient is used with DTO classes that contains BigDecimal properties. Maybe it is somehow related to #9189

The error message is:
_Error: com.oracle.svm.hosted.substitute.DeletedElementException: Unsupported type jdk.internal.reflect.MethodAccessorGenerator is reachable
...
Caused by: com.oracle.svm.hosted.substitute.DeletedElementException: Unsupported type jdk.internal.reflect.MethodAccessorGenerator is reachable_

To Reproduce
Steps to reproduce the behavior:

1. Clone https://github.com/sassko/rest-json-bigdecimal.git
2. Build native image (mvnw clean package -Pnative)

Environment (please complete the following information):

• Output of java -version: GraalVM Version 20.1.0 (Java Version 11.0.7)
• Quarkus version or git rev: 1.5.0 (error since 1.4.2)
• Build tool (ie. output of mvnw --version or gradlew --version): Maven 3.6.3

[geoand]

@galderz want to take a look?

[galderz]

@geoand I suspect this issue might be fixed with https://github.com/quarkusio/quarkus/pull/9686. We had a few of Unsupported type jdk.internal.reflect.MethodAccessorGenerator... with 20.1.0. The fix in that PR should solve it for everyone.

Unless there's a release with that fix (@geoand?), @sassko maybe you want to build master and see if it's still an issue?

[geoand]

Thanks @galderz.

We don't yet have a release with your fix, so for the time being used master is the best option

[gsmet]

I'm backporting this fix to 1.5.1.Final.

[galderz]

Thx @gsmet