Build path contains duplicate entry

问题:Build path contains duplicate entry:''D:soft/Myeclipse 6.5/jre/lib/rt.jar' for project 'dataService_gzq'。

 

原因:rt.jar包重复

 

解决问题 :右击项目-》Build Path ->Configure Build Path ……-》Libraries->选中JRE System Library [J2SE-1.5](注:rt.jar在JRE System Library [J2SE-1.5]中)——》Remove

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