Eclipse项目文件夹显示错误但未在文件夹内的任何文件中显示错误

Question

My eclipse project folder is showing error but no error is shown anywhere inside, am not able to run my project in tomcat due to this error.

Note: It seems, after I took latest update from SVN this error occured

Any Idea why this happened

Answer 1

Detailed explanation here

Add the required jar files to your path

OR

May be the added jar files path mismatched.

Configure project buildPath by

RighClick on Project > BuildPath > Configure BuildPath

Answer 2

1. RighClick on Project > BuildPath > Configure BuildPath - check for missing library.

2. menu > project > clear

3. restart eclipse

Answer 3

Right click on maven project in eclipse > Maven > Update project.

It solved my problem.

If the problem still persists, look in the Problems tab (Window Menu > show view > Problems) and it should give the description of the error.