Add useful information to the authentication error

app/src/main/java/io/apicurio/registry/rest/AuthenticationFailedExceptionMapper.java

@@ -1,12 +1,23 @@
 package io.apicurio.registry.rest;
 
-import io.quarkus.security.AuthenticationFailedException;
+import io.quarkus.security.UnauthorizedException;
+import jakarta.annotation.Priority;
+import jakarta.inject.Inject;
+import jakarta.ws.rs.Priorities;
 import jakarta.ws.rs.core.Response;
 import jakarta.ws.rs.ext.ExceptionMapper;
+import jakarta.ws.rs.ext.Provider;
+
+@Provider
+@Priority(Priorities.AUTHENTICATION)
+public class AuthenticationFailedExceptionMapper implements ExceptionMapper<UnauthorizedException> {
+
+    @Inject
+    RegistryExceptionMapper exceptionMapperService;
 
-public class AuthenticationFailedExceptionMapper implements ExceptionMapper<AuthenticationFailedException> {
     @Override
-    public Response toResponse(AuthenticationFailedException exception) {
-        return Response.status(401).build();
+    public Response toResponse(UnauthorizedException exception) {
+        Response errorHttpResponse = exceptionMapperService.toResponse(exception);
+        return Response.status(401).entity(errorHttpResponse).build();
     }
 }

app/src/main/java/io/apicurio/registry/rest/RegistryExceptionMapper.java

@@ -19,9 +19,6 @@
 @Provider
 public class RegistryExceptionMapper implements ExceptionMapper<Throwable> {
 
-    @Inject
-    Logger log;
-
     @Inject
     CoreRegistryExceptionMapperService coreMapper;
 

app/src/test/java/io/apicurio/registry/auth/SimpleAuthTest.java

@@ -20,9 +20,11 @@
 import io.apicurio.registry.utils.tests.AuthTestProfile;
 import io.apicurio.registry.utils.tests.JWKSMockServer;
 import io.apicurio.registry.utils.tests.TestUtils;
+import io.apicurio.rest.client.auth.exception.NotAuthorizedException;
 import io.kiota.http.vertx.VertXRequestAdapter;
 import io.quarkus.test.junit.QuarkusTest;
 import io.quarkus.test.junit.TestProfile;
+import io.vertx.core.Vertx;
 import org.eclipse.microprofile.config.inject.ConfigProperty;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Tag;
@@ -90,6 +92,16 @@ public void testWrongCreds() throws Exception {
         assertTrue(exception.getMessage().contains("Unauthorized"));
     }
 
+    @Test
+    public void testNoCreds() throws Exception {
+        var adapter = new VertXRequestAdapter(Vertx.vertx());
+        adapter.setBaseUrl(registryV3ApiUrl);
+        RegistryClient client = new RegistryClient(adapter);
+        Assertions.assertThrows(Exception.class, () -> {
+            client.groups().byGroupId(groupId).artifacts().get();
+        });
+    }
+
     @Test
     public void testReadOnly() throws Exception {
         var adapter = new VertXRequestAdapter(