4.0.0 io.vertx vertx-parent 22 vertx-ext 42 pom Vert.x Ext scm:git:git@github.com:vert-x3/vertx-ext-parent.git scm:git:git@github.com:vert-x3/vertx-ext-parent.git git@github.com:vert-x3/vertx-ext-parent.git 2.9.0 5.1-jdk8 resources parent