linux 启动jetty

java -version

wget https://repo1.maven.org/maven2/org/eclipse/jetty/jetty-distribution/9.4.44.v20210927/jetty-distribution-9.4.44.v20210927.tar.gz

tar -xvzf jetty-distribution-9.4.44.v20210927.tar.gz
cd jetty-distribution-9.4.44.v20210927

java -jar start.jar

--module=http
jetty.http.port=8081

chmod -R 755 jetty-distribution-9.4.44.v20210927

tail -f logs/yyyy_mm_dd.stderrout.log

import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.servlet.ServletContextHandler;
import org.eclipse.jetty.servlet.ServletHolder;

public class JettyServer {
    public static void main(String[] args) throws Exception {
        Server server = new Server(8080);

        ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS);
        context.setContextPath("/");
        server.setHandler(context);

        context.addServlet(new ServletHolder(new HelloServlet()), "/*");

        server.start();
        server.join();
    }
}

import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class HelloServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
        resp.setContentType("text/html");
        resp.setStatus(HttpServletResponse.SC_OK);
        resp.getWriter().println("<h1>Hello from Jetty!</h1>");
    }
}