Jackson - Reset the TypeFactory type cache when shutting down

This will cause class loader leaks in test and dev mode, otherwise.

Fixes quarkusio#51688

Author: gsmet

extensions/jackson/deployment/src/main/java/io/quarkus/jackson/deployment/JacksonProcessor.java

@@ -56,6 +56,7 @@
 import io.quarkus.deployment.annotations.ExecutionTime;
 import io.quarkus.deployment.annotations.Record;
 import io.quarkus.deployment.builditem.CombinedIndexBuildItem;
+import io.quarkus.deployment.builditem.ShutdownListenerBuildItem;
 import io.quarkus.deployment.builditem.nativeimage.ReflectiveClassBuildItem;
 import io.quarkus.deployment.builditem.nativeimage.ReflectiveHierarchyBuildItem;
 import io.quarkus.deployment.builditem.nativeimage.ReflectiveMethodBuildItem;
@@ -531,6 +532,12 @@ public SyntheticBeanBuildItem jacksonSupport(JacksonRecorder recorder,
                 .done();
     }
 
+    @Record(ExecutionTime.RUNTIME_INIT)
+    @BuildStep
+    public ShutdownListenerBuildItem clearCachesOnShutdown(JacksonRecorder recorder) {
+        return new ShutdownListenerBuildItem(recorder.clearCachesOnShutdown());
+    }
+
     private Optional<String> determinePropertyNamingStrategyClassName(JacksonBuildTimeConfig jacksonBuildTimeConfig) {
         if (jacksonBuildTimeConfig.propertyNamingStrategy().isEmpty()) {
             return Optional.empty();

extensions/jackson/runtime/src/main/java/io/quarkus/jackson/runtime/JacksonRecorder.java

@@ -6,10 +6,13 @@
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.PropertyNamingStrategies;
+import com.fasterxml.jackson.databind.type.TypeFactory;
 
 import io.quarkus.jackson.ObjectMapperCustomizer;
 import io.quarkus.runtime.annotations.Recorder;
+import io.quarkus.runtime.annotations.RuntimeInit;
 import io.quarkus.runtime.annotations.StaticInit;
+import io.quarkus.runtime.shutdown.ShutdownListener;
 
 @Recorder
 public class JacksonRecorder {
@@ -63,4 +66,14 @@ public int priority() {
             }
         };
     }
+
+    @RuntimeInit
+    public ShutdownListener clearCachesOnShutdown() {
+        return new ShutdownListener() {
+            @Override
+            public void shutdown(ShutdownNotification notification) {
+                TypeFactory.defaultInstance().clearCache();
+            }
+        };
+    }
 }