Java でフォーム データの非同期処理のメカニズムを実装するにはどうすればよいですか?

import java.io.IOException;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadPoolExecutor;

import javax.servlet.AsyncContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@WebServlet(urlPatterns = "/formHandler", asyncSupported = true)
public class FormHandlerServlet extends HttpServlet {
    private static final long serialVersionUID = 1L;

    private ThreadPoolExecutor executor;

    @Override
    public void init() throws ServletException {
        executor = (ThreadPoolExecutor) Executors.newFixedThreadPool(10);
    }

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        // 设置请求为异步处理
        AsyncContext asyncContext = request.startAsync(request, response);
        // 提交任务到线程池中进行异步处理
        executor.execute(new FormHandlerTask(asyncContext));
    }

    @Override
    public void destroy() {
        executor.shutdown();
    }
}

import javax.servlet.AsyncContext;

public class FormHandlerTask implements Runnable {
    private final AsyncContext asyncContext;

    public FormHandlerTask(AsyncContext asyncContext) {
        this.asyncContext = asyncContext;
    }

    @Override
    public void run() {
        // 获取表单数据
        String username = asyncContext.getRequest().getParameter("username");
        String password = asyncContext.getRequest().getParameter("password");
        
        // 进行表单数据处理逻辑
        
        // 例如，模拟处理时间
        try {
            Thread.sleep(5000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        
        // 响应结果
        asyncContext.getResponse().setStatus(HttpServletResponse.SC_OK);
        asyncContext.getResponse().getWriter().write("Form data processed successfully!");

        // 完成异步处理
        asyncContext.complete();
    }
}

<servlet>
    <servlet-name>FormHandlerServlet</servlet-name>
    <servlet-class>com.example.FormHandlerServlet</servlet-class>
</servlet>
<servlet-mapping>
    <servlet-name>FormHandlerServlet</servlet-name>
    <url-pattern>/formHandler</url-pattern>
</servlet-mapping>