文档介绍:柳波廊坊师范学院五期信息技术提高班 用文字梳理生命让分享联动你我使知识创造价值 piler level does not match the version of the installed Java project facet. 分类: 常见错误 2012-05-10 15:11 71人阅读评论(2) 收藏举报 修改了编译级别之后出现如下错误提示: Description ResourcePath LocationType piler level does not match the version of the installed Java project UnknownFaceted Project Problem (Java Version Mismatch) 只要在项目的properties中选择project facet然后修改java的版本即可: 1 2