Archive for required library: ‘WebContent/WEB-INF/lib/xxx.jar cannot be read or is not Zip file

         今天導入一個項目到eclipse，出現感嘆號，而且報1. Archive for required library: ‘WebContent/WEB-INF/lib/xxxxx.jar cannot be read or is not a valid ZIP file,倒騰了半天，原來是引用的jar包已經損壞，換jar包，一切恢復正常。