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启动jar包报错UnsupportedClassVersionError,如何修复
2022-06-30 08:33:00 【进击的豌豆哥】
首先查看完整异常日志
Exception in thread "main" java.lang.UnsupportedClassVersionError: run/halo/app/Application has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0
大致意思是,这个jar包已由最新版本的Java运行时(类文件版本55.0)编译,当前版本的Java运行时仅识别高达52.0的类文件版本。
通俗来讲,就是我们使用Java 11编译了我们的类,并尝试使用Java 8运行它。
解决方案,使用java11环境运行即可
Java版本号参考
45 = Java 1.1
46 = Java 1.2
47 = Java 1.3
48 = Java 1.4
49 = Java 5
50 = Java 6
51 = Java 7
52 = Java 8
53 = Java 9
54 = Java 10
55 = Java 11
56 = Java 12
57 = Java 13
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