showing error in editor if added all required jar and class
已回答

See the above images .my project compiled successfully without error and running fine. but the problem it is showing error in editor level .i can't work properly on the editor due to this error . can you tell me how to resolve this errors
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Hello,
Have you tried to run "File | Invalidate Caches" ?
yes.. tried.no use
Have you tried to reimport project removing all IDEA related files/folders as was suggested on SO: https://stackoverflow.com/questions/50636628/showing-compile-error-in-intellij-idea-in-editor ?