cvc-id.3: A field of identity constraint 'web-app-filter-name-uniqueness' matched element 'web-app', but this element does not have a simple type.

cvc-id.3: A field of identity constraint 'web-app-filter-name-uniqueness' matched element 'web-app', but this element does not have a simple type.


에러시

<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee">

👇👇👇

<web-app version="2.5" xmlns="http://JAVA.sun.com/xml/ns/javaee">

JAVA 대문자로 바꾸면 해결

참조

https://www.programmersought.com/article/40922001615/