【bug日常】Referenced file contains errors (http://java.sun.com/xml/ns/j2ee/webapp_2_4.xsd). For more

在写web.xml文件时报错：Referenced file contains errors (http://java.sun.com/xml/ns/j2ee/webapp_2_4.xsd). For more information, right click on the message in the Problems
View and select “Show Details…”

Solution: Just change j2ee to javaee (●'◡'●)