diff --git a/core/deployment/src/main/java/io/quarkus/deployment/dev/DevModeMain.java b/core/deployment/src/main/java/io/quarkus/deployment/dev/DevModeMain.java
index a5deda3c6e77b0..17b1f78943c22d 100644
--- a/core/deployment/src/main/java/io/quarkus/deployment/dev/DevModeMain.java
+++ b/core/deployment/src/main/java/io/quarkus/deployment/dev/DevModeMain.java
@@ -102,12 +102,14 @@ public void start() throws Exception {
 
             QuarkusBootstrap.Builder bootstrapBuilder = QuarkusBootstrap.builder()
                     .setApplicationRoot(appRoots.build())
-                    .setTargetDirectory(context.getDevModeRunnerJarFile().getParentFile().toPath())
                     .setIsolateDeployment(true)
                     .setLocalProjectDiscovery(context.isLocalProjectDiscovery())
                     .addAdditionalDeploymentArchive(path)
                     .setBaseName(context.getBaseName())
                     .setMode(context.getMode());
+            if (context.getDevModeRunnerJarFile() != null) {
+                bootstrapBuilder.setTargetDirectory(context.getDevModeRunnerJarFile().getParentFile().toPath());
+            }
             if (context.getProjectDir() != null) {
                 bootstrapBuilder.setProjectRoot(context.getProjectDir().toPath());
             } else {
diff --git a/extensions/vertx-core/runtime/src/main/java/io/quarkus/vertx/core/runtime/VertxCoreRecorder.java b/extensions/vertx-core/runtime/src/main/java/io/quarkus/vertx/core/runtime/VertxCoreRecorder.java
index 7fe74cb32bb453..5d76b7b70c8172 100644
--- a/extensions/vertx-core/runtime/src/main/java/io/quarkus/vertx/core/runtime/VertxCoreRecorder.java
+++ b/extensions/vertx-core/runtime/src/main/java/io/quarkus/vertx/core/runtime/VertxCoreRecorder.java
@@ -53,8 +53,8 @@ public class VertxCoreRecorder {
 
     public Supplier<Vertx> configureVertx(VertxConfiguration config,
             LaunchMode launchMode, ShutdownContext shutdown, List<Consumer<VertxOptions>> customizers) {
-        vertx = new VertxSupplier(config, customizers);
         if (launchMode != LaunchMode.DEVELOPMENT) {
+            vertx = new VertxSupplier(config, customizers);
             // we need this to be part of the last shutdown tasks because closing it early (basically before Arc)
             // could cause problem to beans that rely on Vert.x and contain shutdown tasks
             shutdown.addLastShutdownTask(new Runnable() {
@@ -63,6 +63,31 @@ public void run() {
                     destroy();
                 }
             });
+        } else {
+            if (vertx == null) {
+                vertx = new VertxSupplier(config, customizers);
+            } else if (vertx.v != null) {
+                tryCleanTccl(vertx.v);
+            }
+            shutdown.addLastShutdownTask(new Runnable() {
+                @Override
+                public void run() {
+                    CountDownLatch latch = new CountDownLatch(1);
+                    if (vertx.v != null) {
+                        vertx.v.eventBus().close(new Handler<AsyncResult<Void>>() {
+                            @Override
+                            public void handle(AsyncResult<Void> event) {
+                                vertx.v.eventBus().start(new Handler<AsyncResult<Void>>() {
+                                    @Override
+                                    public void handle(AsyncResult<Void> event) {
+                                        latch.countDown();
+                                    }
+                                });
+                            }
+                        });
+                    }
+                }
+            });
         }
         return vertx;
     }
@@ -303,7 +328,8 @@ public Supplier<EventLoopGroup> bossSupplier() {
         return new Supplier<EventLoopGroup>() {
             @Override
             public EventLoopGroup get() {
-                return ((VertxImpl) vertx.get()).getAcceptorEventLoopGroup();
+                vertx.get();
+                return ((VertxImpl) vertx.v).getAcceptorEventLoopGroup();
             }
         };
     }