Use Vert.x pool with Jackson

extensions/jackson/deployment/pom.xml

@@ -29,6 +29,11 @@
             <groupId>io.quarkus</groupId>
             <artifactId>quarkus-jackson</artifactId>
         </dependency>
+        <dependency>
+            <groupId>io.vertx</groupId>
+            <artifactId>vertx-core</artifactId>
+            <scope>provided</scope>
+        </dependency>
         <dependency>
             <groupId>io.quarkus</groupId>
             <artifactId>quarkus-junit5-internal</artifactId>

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

@@ -108,9 +108,11 @@ public class JacksonProcessor {
     List<IgnoreJsonDeserializeClassBuildItem> ignoreJsonDeserializeClassBuildItems;
 
     @BuildStep
-    void unremovable(Capabilities capabilities, BuildProducer<UnremovableBeanBuildItem> producer) {
+    void unremovable(Capabilities capabilities, BuildProducer<UnremovableBeanBuildItem> producer,
+            BuildProducer<AdditionalBeanBuildItem> additionalProducer) {
         if (capabilities.isPresent(Capability.VERTX_CORE)) {
             producer.produce(UnremovableBeanBuildItem.beanTypes(ObjectMapper.class));
+            additionalProducer.produce(AdditionalBeanBuildItem.unremovableOf(VertxHybridPoolObjectMapperCustomizer.class));
         }
     }
 

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

@@ -0,0 +1,14 @@
+package io.quarkus.jackson.deployment;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import io.quarkus.jackson.ObjectMapperCustomizer;
+import io.vertx.core.json.jackson.HybridJacksonPool;
+
+public class VertxHybridPoolObjectMapperCustomizer implements ObjectMapperCustomizer {
+
+    @Override
+    public void customize(ObjectMapper objectMapper) {
+        objectMapper.getFactory().setRecyclerPool(HybridJacksonPool.getInstance());
+    }
+}