eclipse - Import maven project error in mac: 'project was marked as readonly' -

i import maven project eclipse, display errors following:

project marked readonly 

but have not found .project file, happened?

navigate project folder through console (cmd in windows, terminal in linux) type

mvn eclipse:eclipse 

press enter.

if web application, type

mvn eclipse:eclipse -dwtpversion=2.0 

press enter.

delete project (not physically) eclipse , reimport.