具体报错：Unknown configuration property http://javax.xml.XMLConstants/property/accessExternalDTD
引入的坐标：
org.quickfixj
quickfixj-all
2.0.0
https://blog.csdn.net/zj_gbt/article/details/121074155 看看这个【望采纳】 还有这个
https://blog.csdn.net/csdn_avatar_2019/article/details/123791224