问题描述
我在Maven项目中有以下代码：
I have the following code inside Maven project:
package hello;
import org.vertx.java.core.Handler;
import org.vertx.java.core.http.HttpServerRequest;
import org.vertx.java.deploy.Verticle;
public class Server extends Verticle {
public void start() {
vertx.createHttpServer().requestHandler(new Handler<HttpServerRequest>() {
@Override
public void handle(HttpServerRequest req) {
System.out.println("Got request: " + req.uri);
System.out.println("Headers are: ");
for (String key : req.headers().keySet()) {
System.out.println(key + ":" + req.headers().get(key));
}
req.response.headers().put("Content-Type", "text/html; charset-UTF-8");
req.response.end("<html><body><h1>Hello from vert.x!</h1></body></html>");
}
}).listen(4000);
}
}
我在pom.xml中也有以下依赖项：
I also have the following dependency in pom.xml:
<dependency>
<groupId>io.vertx</groupId>
<artifactId>vertx-core</artifactId>
<version>3.4.1</version>
</dependency>
<dependency>
<groupId>org.vert-x</groupId>
<artifactId>vertx-platform</artifactId>
<version>1.2.3.final</version>
</dependency>
我尝试使用以下配置在IntelliJ中运行Java应用程序：
I try to run Java application in IntelliJ with the following configuration:
我收到很多错误：
然而，当我从这里下载vert.x jar文件时：
However, when I download vert.x jar files from here:http://vertx.io/download/
并将它们放入项目结构中，然后相同代码编译成功。
and put them in the project structure, then the same code compiles successfully.
可能我需要在pom.xml中有另一个依赖项，但我不知道它应该是什么。
Probably I need another dependency in pom.xml, but I don't know what it should be.
推荐答案
你不应该有依赖：
<dependency>
<groupId>org.vert-x</groupId>
<artifactId>vertx-platform</artifactId>
<version>1.2.3.final</version>
</dependency>
因为它与Vert.x 1.2相关，而你的应用程序与3.x相关。在这种情况下，您的主要类应该是：
Since it related to Vert.x 1.2 and your application in on 3.x. In this case your main class should be:
io.vertx.core.Launcher
或者你可以从那里添加 main 方法并进行调试，例如：
Alternatively you could add a main method and debug from there, for example:
public class Server extends Verticle {
public static void main(String[] args) {
Vertx.vertx().deployVerticle(new Server());
}
}
现在您无需担心添加启动器配置文件，只需右键单击并运行/调试。
Now you don't need to worry about adding launcher profiles, just right click and run/debug.
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