No grammar constraints (DTD or XML Schema) referenced解决 Home » 编程开发 » No grammar constraints (DTD or XML Schema) referenced解决 No grammar constraints (DTD or XML Schema) referenced解决 在 <?xml version="1.0" encoding="UTF-8"?> 后面添加: <!DOCTYPE configuration> 完美解决各种没有dtd文档导致的警告信息