随笔分类 -  遇到的坑

错误提示：java.lang.UnsupportedClassVersionError: com/spring/demo05/Demo has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only reco
摘要：之前用的JDK12替换了1.8后出现如下错误提示 是编译的class文件对应的jdk版本与当前jdk版本不匹配。 解决方案 把项目右键--javaCompiler--版本改成当前的版本（1.8） 阅读全文
posted @ 2019-10-05 10:56 Jumpkin1122 阅读(14044) 评论(0) 推荐(1)
Spring配置文件报错：Multiple annotations found at this line: - Element type "beans" must be followed by either attribute specifications, ">" or "/>". - Start tag of element <beans>
摘要：spring配置文件遇到如下提示： Multiple annotations found at this line: - Element type "beans" must be followed by either attribute specifications, ">" or "/>". - 阅读全文
posted @ 2019-09-21 08:00 Jumpkin1122 阅读(991) 评论(2) 推荐(0)