Normalize CDIWrappers to an interface that they implement for Validator

extensions/hibernate-validator/runtime/src/main/java/io/quarkus/hibernate/validator/runtime/ArcProxyBeanMetaDataClassNormalizer.java

@@ -15,6 +15,9 @@
  */
 public class ArcProxyBeanMetaDataClassNormalizer implements BeanMetaDataClassNormalizer {
 
+    private static final String CDI_WRAPPER_SUFFIX = "$$CDIWrapper";
+
+    @SuppressWarnings("unchecked")
     @Override
     public <T> Class<? super T> normalize(Class<T> beanClass) {
         Class<? super T> targetClass = beanClass;
@@ -24,6 +27,14 @@ public <T> Class<? super T> normalize(Class<T> beanClass) {
         while (ClientProxy.class.isAssignableFrom(targetClass)) {
             targetClass = targetClass.getSuperclass();
         }
+        if (beanClass.isSynthetic() && beanClass.getSimpleName().endsWith(CDI_WRAPPER_SUFFIX)) {
+            String nameToFind = beanClass.getName().substring(0, beanClass.getName().length() - (CDI_WRAPPER_SUFFIX.length()));
+            for (Class<?> anInterface : targetClass.getInterfaces()) {
+                if (nameToFind.equals(anInterface.getName())) {
+                    return (Class<? super T>) anInterface;
+                }
+            }
+        }
         return targetClass;
     }
 

integration-tests/hibernate-validator-resteasy-reactive/pom.xml

@@ -22,6 +22,10 @@
             <groupId>io.quarkus</groupId>
             <artifactId>quarkus-rest-jaxb</artifactId>
         </dependency>
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-rest-client</artifactId>
+        </dependency>
         <dependency>
             <groupId>io.quarkus</groupId>
             <artifactId>quarkus-hibernate-validator</artifactId>

integration-tests/hibernate-validator-resteasy-reactive/src/main/java/io/quarkus/it/hibernate/validator/TestInterfaceRestClient.java

@@ -0,0 +1,19 @@
+package io.quarkus.it.hibernate.validator;
+
+import jakarta.validation.Valid;
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.groups.ConvertGroup;
+import jakarta.ws.rs.Consumes;
+import jakarta.ws.rs.POST;
+import jakarta.ws.rs.Path;
+import jakarta.ws.rs.core.Response;
+
+import org.eclipse.microprofile.rest.client.inject.RegisterRestClient;
+
+@RegisterRestClient
+@Path("/test")
+public interface TestInterfaceRestClient {
+    @POST
+    @Consumes({ "application/json" })
+    Response doSomething(@Valid @ConvertGroup(to = Error.class) @NotNull String myParameter);
+}