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Error: Could not find or load main class org.springframework.boot.loader.launch.JarLauncher
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.loader.launch.JarLauncher
Error: Could not find or load main class org.springframework.boot.loader.launch.JarLauncher
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.loader.launch.JarLauncher
Error: Could not find or load main class org.springframework.boot.loader.launch.JarLauncher
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.loader.launch.JarLauncher
Error: Could not find or load main class org.springframework.boot.loader.launch.JarLauncher
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.loader.launch.JarLauncher
Error: Could not find or load main class org.springframework.boot.loader.launch.JarLauncher
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.loader.launch.JarLauncher
Error: Could not find or load main class org.springframework.boot.loader.launch.JarLauncher
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.loader.launch.JarLauncher
Error: Could not find or load main class org.springframework.boot.loader.launch.JarLauncher
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.loader.launch.JarLauncher
Error: Could not find or load main class org.springframework.boot.loader.launch.JarLauncher
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.loader.launch.JarLauncher
Error: Could not find or load main class org.springframework.boot.loader.launch.JarLauncher
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.loader.launch.JarLauncher
Error: Could not find or load main class org.springframework.boot.loader.launch.JarLauncher
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.loader.launch.JarLauncher
This discussion was converted from issue #10193 on August 02, 2026 02:13.
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前置条件
系统信息
前一个版本2.23.X 升级2.25.4失败后 尝试一个一个版本升级
升级到2.24.0到2.24.1的时候 2.24.1启动失败 报错
撤回到2.24.0禁用所有插件后 再次尝试 还是不行
数据库使用的mysql 通过启动命令增加参数的方式--spring.r2dbc.url=r2dbc:pool:mysql://xxx/halo?useUnicode=true&characterEncoding=utf8 --spring.r2dbc.username=halo --spring.r2dbc.password=xxx --spring.sql.init.platform=mysql --halo.external-url=https://xxx/ --halo.security.initializer.superadminusername=xxx --halo.security.initializer.superadminpassword=xxx --server.port=8090
使用的哪种方式运行?
Docker
发生了什么?
Error: Could not find or load main class org.springframework.boot.loader.launch.JarLauncher
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.loader.launch.JarLauncher
Error: Could not find or load main class org.springframework.boot.loader.launch.JarLauncher
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.loader.launch.JarLauncher
Error: Could not find or load main class org.springframework.boot.loader.launch.JarLauncher
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.loader.launch.JarLauncher
Error: Could not find or load main class org.springframework.boot.loader.launch.JarLauncher
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.loader.launch.JarLauncher
Error: Could not find or load main class org.springframework.boot.loader.launch.JarLauncher
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.loader.launch.JarLauncher
Error: Could not find or load main class org.springframework.boot.loader.launch.JarLauncher
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.loader.launch.JarLauncher
Error: Could not find or load main class org.springframework.boot.loader.launch.JarLauncher
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.loader.launch.JarLauncher
Error: Could not find or load main class org.springframework.boot.loader.launch.JarLauncher
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.loader.launch.JarLauncher
Error: Could not find or load main class org.springframework.boot.loader.launch.JarLauncher
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.loader.launch.JarLauncher
Error: Could not find or load main class org.springframework.boot.loader.launch.JarLauncher
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.loader.launch.JarLauncher
复现步骤
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