[JAVA] So ändern Sie die maximale und maximale Anzahl von POST-Daten in Spark

public class Main {
  public static void main(String[] args) {
    EmbeddedServers.add(EmbeddedServers.Identifiers.JETTY, new EmbeddedJettyFactory(new MyJettyServerFactory()));

    get("/", () -> "Hello Spark!");
  }
}

class MyJettyServerFactory implements JettyServerFactory {
    /**
     * Creates a Jetty server.
     *
     * @param maxThreads          maxThreads
     * @param minThreads          minThreads
     * @param threadTimeoutMillis threadTimeoutMillis
     * @return a new jetty server instance
     */
	@Override
    public Server create(int maxThreads, int minThreads, int threadTimeoutMillis) {
        Server server;

        if (maxThreads > 0) {
            int max = maxThreads;
            int min = (minThreads > 0) ? minThreads : 8;
            int idleTimeout = (threadTimeoutMillis > 0) ? threadTimeoutMillis : 60000;

            server = new Server(new QueuedThreadPool(max, min, idleTimeout));
        } else {
            server = new Server();
        }

        server.setAttribute("org.eclipse.jetty.server.Request.maxFormKeys", 20000); //Maximale Anzahl von POST-Daten
        server.setAttribute("org.eclipse.jetty.server.Request.maxFormContentSize", 5000000); //Maximalwert der POST-Daten

        return server;
    }

    /**
     * Creates a Jetty server with supplied thread pool
     * @param threadPool thread pool
     * @return a new jetty server instance
     */
	@Override
    public Server create(ThreadPool threadPool) {
        return threadPool != null ? new Server(threadPool) : new Server();
    }
}

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