报错：Referenced file contains errors (file:/Users/acui/apache-maven-3.5.4/dubbo.xsd). For more information, right click on the message in the Problems View and select "Show Details..."

报错：Referenced file contains errors (file:/Users/acui/apache-maven-3.5.4/dubbo.xsd). For more information, right click on the message in the Problems View and select "Show Details..."
翻译：引用的文件包含错误(文件:/Users/acui/ apachemail -3.5.4/dubbo.xsd)。有关更多信息，请右键单击Problems视图中的消息并选择“Show Details…”
原因：属于配置文件的验证错误，实际上并不影响项目的正常运行。
解决：偏好设置 - Validation - 列表拉到最下，取消勾选XML Validator和XSL Validator - 应用 - OK
参考：Referenced file contains errors 完美解决方法