JAR export finished with warnings

JAR export finished with warnings. See details for additional information.打包时的提示,求高人指点!!!!!!!!!

我做的东西在eclipse下运行一切正常,就是有几个警告,但是不影响什么,可是在打jar包时出现了以下信息,但是jar文件就是不能正常运行?虽然是警告不是错误! 
提示信息是: 
JAR   export   finished   with   warnings.   See   details   for   additional   information. 
    Exported   with   compile   warnings:   /StudentManage/Interface/Interface/ScoreInputFace.java 
    Exported   with   compile   warnings:   /StudentManage/Interface/Interface/MainWindow.java 
    Exported   with   compile   warnings:   /StudentManage/Interface/Interface/Loading.java 
    Exported   with   compile   warnings:   /StudentManage/Interface/Interface/Administrator.java 
    Exported   with   compile   warnings:   /StudentManage/Interface/Interface/InputFace.java 
    Exported   with   compile   warnings:   /StudentManage/Interface/MyTable/MyTable.java 
    Exported   with   compile   warnings:   /StudentManage/DBcontrol/DBcontrol/DBcontrol.java 

点击next不要直接点击finish，把warning勾选掉。再点击finish，打出的jar就没问题了。