Upgrade to Vert.x 5

Author: tsegismont

build.gradle.kts

@@ -14,11 +14,11 @@ repositories {
   mavenCentral()
 }
 
-val vertxVersion = "4.0.3"
+val vertxVersion = "5.0.0.CR2"
 val junitJupiterVersion = "5.7.0"
 
 val mainVerticleName = "com.example.container_uber_jar.MainVerticle"
-val launcherClassName = "io.vertx.core.Launcher"
+val launcherClassName = "io.vertx.launcher.application.VertxApplication"
 
 val watchForChange = "src/**/*"
 val doOnChange = "${projectDir}/gradlew classes"
@@ -30,6 +30,7 @@ application {
 dependencies {
   implementation(platform("io.vertx:vertx-stack-depchain:$vertxVersion"))
   implementation("io.vertx:vertx-core")
+  implementation("io.vertx:vertx-launcher-application")
   testImplementation("io.vertx:vertx-junit5")
   testImplementation("org.junit.jupiter:junit-jupiter:$junitJupiterVersion")
 }

pom.xml

@@ -11,16 +11,16 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 
-    <maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
+    <maven-compiler-plugin.version>3.13.0</maven-compiler-plugin.version>
     <maven-shade-plugin.version>3.2.4</maven-shade-plugin.version>
     <maven-surefire-plugin.version>2.22.2</maven-surefire-plugin.version>
-    <exec-maven-plugin.version>3.0.0</exec-maven-plugin.version>
+    <exec-maven-plugin.version>3.5.0</exec-maven-plugin.version>
 
-    <vertx.version>4.0.3</vertx.version>
+    <vertx.version>5.0.0.CR2</vertx.version>
     <junit-jupiter.version>5.7.0</junit-jupiter.version>
 
     <main.verticle>com.example.container_uber_jar.MainVerticle</main.verticle>
-    <launcher.class>io.vertx.core.Launcher</launcher.class>
+    <launcher.class>io.vertx.launcher.application.VertxApplication</launcher.class>
   </properties>
 
   <dependencyManagement>
@@ -40,6 +40,10 @@
       <groupId>io.vertx</groupId>
       <artifactId>vertx-core</artifactId>
     </dependency>
+    <dependency>
+      <groupId>io.vertx</groupId>
+      <artifactId>vertx-launcher-application</artifactId>
+    </dependency>
 
     <dependency>
       <groupId>io.vertx</groupId>

src/main/java/com/example/container_uber_jar/MainVerticle.java

@@ -1,23 +1,18 @@
 package com.example.container_uber_jar;
 
-import io.vertx.core.AbstractVerticle;
-import io.vertx.core.Promise;
+import io.vertx.core.Future;
+import io.vertx.core.VerticleBase;
 
-public class MainVerticle extends AbstractVerticle {
+public class MainVerticle extends VerticleBase {
 
   @Override
-  public void start(Promise<Void> startPromise) throws Exception {
-    vertx.createHttpServer().requestHandler(req -> {
-      req.response()
-        .putHeader("content-type", "text/plain")
-        .end("Hello from Vert.x!");
-    }).listen(8888, http -> {
-      if (http.succeeded()) {
-        startPromise.complete();
-        System.out.println("HTTP server started on port 8888");
-      } else {
-        startPromise.fail(http.cause());
-      }
-    });
+  public Future<?> start() {
+    return vertx.createHttpServer().requestHandler(req -> {
+        req.response()
+          .putHeader("content-type", "text/plain")
+          .end("Hello from Vert.x!");
+      })
+      .listen(8888)
+      .onSuccess(v -> System.out.println("HTTP server started on port 8888"));
   }
 }

src/test/java/com/example/container_uber_jar/TestMainVerticle.java

@@ -12,11 +12,11 @@ public class TestMainVerticle {
 
   @BeforeEach
   void deploy_verticle(Vertx vertx, VertxTestContext testContext) {
-    vertx.deployVerticle(new MainVerticle(), testContext.succeeding(id -> testContext.completeNow()));
+    vertx.deployVerticle(new MainVerticle()).onComplete(testContext.succeeding(id -> testContext.completeNow()));
   }
 
   @Test
-  void verticle_deployed(Vertx vertx, VertxTestContext testContext) throws Throwable {
+  void verticle_deployed(Vertx vertx, VertxTestContext testContext) {
     testContext.completeNow();
   }
 }