无法使用struts2检索满日历中的JSON值

<package name="default" extends="struts-default">
    <action name="retrieveJSON" class="com.example.MyAction" method="retrieveJSON">
        <result type="json" />
    </action>
</package>

package com.example;

import com.opensymphony.xwork2.ActionSupport;
import org.json.JSONObject;

public class MyAction extends ActionSupport {
    private String calendarDate;

    public String getCalendarDate() {
        return calendarDate;
    }

    public void setCalendarDate(String calendarDate) {
        this.calendarDate = calendarDate;
    }

    public String retrieveJSON() {
        // 根据calendarDate参数执行业务逻辑，获取满足条件的JSON值
        JSONObject json = new JSONObject();
        json.put("key1", "value1");
        json.put("key2", "value2");
        // ...

        return SUCCESS;
    }
}

<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
<script>
    $(document).ready(function() {
        $.ajax({
            url: "retrieveJSON",
            type: "POST",
            data: { calendarDate: "2022-01-01" },
            dataType: "json",
            success: function(data) {
                // 处理返回的JSON数据
                console.log(data);
            }
        });
    });
</script>