[Eclipse] 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.

web.xml 에서 해당 문구 발견

http://JAVA.sun.com 또는http://Java.sun.com으로 변경

 

eclipse 2021-06 오류인가부다~~~~~~~~~

 

 

참고: 

https://stackoverflow.com/questions/3219639/cvc-id-3-error-in-web-xml

cvc-id.3 error in web.xml