crossdom.xml做什么的? Resource Path Location Type Referenced file contains errors

[dd121011]

Description Resource Path Location Type
Referenced file contains errors (http://www.macromedia.com/xml/dtds/cross-domain-policy.dtd). For more information, right click on the message in the Problems View and select "Show Details..." crossdomain.xml

<?xml version="1.0"?>
<!DOCTYPE cross-domain-policy SYSTEM "http://www.macromedia.com/xml/dtds/cross-domain-policy.dtd">
<cross-domain-policy>
<allow-access-from domain="*" />
<allow-http-request-headers-from domain="*" headers="*"/>
</cross-domain-policy>

这个文件为啥报错?应该怎么修改?

[十八道胡同]

跨域策略文件

https://blog.csdn.net/gnail_oug/article/details/53488918

[Coder_Haduo丶]

请问解决了了，我遇到相同问题