[root@bogon .halo2]# java -jar halo.jar --spring.config.additional-location=optional:file:/root/halo/
错误: 加载主类 org.springframework.boot.loader.launch.JarLauncher 时出现 LinkageError
java.lang.UnsupportedClassVersionError: org/springframework/boot/loader/launch/JarLauncher has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 55.0
