Failed to deploy verticle js:dist/index.js caused by java.lang.AbstractMethodError: Method io/reactiverse/es4x/impl/JSVerticleFactory.createVerticle(Ljava/lang/String;Ljava/lang/ClassLoader;Lio/vertx/core/Promise;)V is abstract
at io.reactiverse.es4x.impl.JSVerticleFactory.createVerticle(JSVerticleFactory.java)
at io.vertx.core.impl.VerticleManager.doDeployVerticle(VerticleManager.java:217)
at io.vertx.core.impl.VerticleManager.doDeployVerticle(VerticleManager.java:193)
at io.vertx.core.impl.VerticleManager.doDeployVerticle(VerticleManager.java:180)
at io.vertx.core.impl.VerticleManager.deployVerticle(VerticleManager.java:156)
at io.vertx.core.impl.VertxImpl.deployVerticle(VertxImpl.java:616)
at io.vertx.core.impl.VertxImpl.deployVerticle(VertxImpl.java:622)
at io.vertx.core.impl.launcher.commands.VertxIsolatedDeployer.deploy(VertxIsolatedDeployer.java:42)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at io.vertx.core.impl.launcher.commands.ClasspathHandler.deploy(ClasspathHandler.java:168)
at io.vertx.core.impl.launcher.commands.RunCommand.deploy(RunCommand.java:403)
at io.vertx.core.impl.launcher.commands.RunCommand.run(RunCommand.java:270)
at io.vertx.core.impl.launcher.VertxCommandLauncher.execute(VertxCommandLauncher.java:248)
at io.vertx.core.impl.launcher.VertxCommandLauncher.dispatch(VertxCommandLauncher.java:402)
at io.vertx.core.impl.launcher.VertxCommandLauncher.dispatch(VertxCommandLauncher.java:346)
at io.reactiverse.es4x.ES4X.main(ES4X.java:74)
example