Provide clear build-time error message when using Map in @ConfigProperties

[geoand]

Fixes: #19366

[quarkus-bot]

Failing Jobs - Building b7524c0

Status	Name	Step	Test failures	Logs	Raw logs
✖	Gradle Tests - JDK 11 Windows	Build	Test failures	Logs	Raw logs
✖	MicroProfile TCKs Tests	Verify	Test failures	Logs	Raw logs

Full information is available in the Build summary check run.

Test Failures

⚙️ Gradle Tests - JDK 11 Windows #

📦 integration-tests/gradle

✖ io.quarkus.gradle.devmode.AvroDevModeTest.main line 15 - More details - Source on GitHub

org.awaitility.core.ConditionTimeoutException: Condition with lambda expression in io.quarkus.test.devmode.util.DevModeTestUtils that uses java.util.function.Supplier, java.util.function.Supplierjava.util.concurrent.atomic.AtomicReference, java.util.concurrent.atomic.AtomicReferencejava.lang.String, java.lang.Stringboolean was not fulfilled within 1 minutes.
	at org.awaitility.core.ConditionAwaiter.await(ConditionAwaiter.java:166)
	at org.awaitility.core.CallableCondition.await(CallableCondition.java:78)
	at org.awaitility.core.CallableCondition.await(CallableCondition.java:26)
	at org.awaitility.core.ConditionFactory.until(ConditionFactory.java:939)
	at org.awaitility.core.ConditionFactory.until(ConditionFactory.java:908)
	at io.quarkus.test.devmode.util.DevModeTestUtils.getHttpResponse(DevModeTestUtils.java:130)
	at io.quarkus.gradle.devmode.QuarkusDevGradleTestBase.getHttpResponse(QuarkusDevGradleTestBase.java:126)
	at io.quarkus.gradle.devmode.QuarkusDevGradleTestBase.getHttpRes...

---

⚙️ MicroProfile TCKs Tests #

📦 tcks/microprofile-fault-tolerance

✖ org.eclipse.microprofile.fault.tolerance.tck.TimeoutUninterruptableTest.testTimeoutAsyncBulkhead line 190 - More details - Source on GitHub

java.lang.AssertionError: Unexpected exception thrown from Future
	at org.testng.Assert.fail(Assert.java:85)
	at org.eclipse.microprofile.fault.tolerance.tck.util.Exceptions.expect(Exceptions.java:98)
	at org.eclipse.microprofile.fault.tolerance.tck.TimeoutUninterruptableTest.testTimeoutAsyncBulkhead(TimeoutUninterruptableTest.java:190)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at io.quarkus.arquillian.QuarkusProtocol$QuarkusMethodExecutor$1.invoke(QuarkusProtocol.java:87)
	at org.jboss.arquillian.container.test.impl.execution.LocalTestExecuter.execute(LocalTestExecuter.java:57)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base...

[geoand]

The failures have nothing to do with this PR

[geoand]

@gsmet maybe you want to have a look so we can get this in 2.2.0.Final?