xml配置文件中报错Referenced file contains errors

项目可以正常运行，但是总有个红叉，看着挺烦人的，所以查了一下 Referenced file contains errors (http://www.zeroturnaround.com/alderaan/rebel-2_0.xsd). For more information, right click on the message in the Problems View and select

>>阅读原文<<