访问云托管的项目，mvn打包部署jar运行没问题，访问接口报错，接口是生成一个图片验证码，怎么办？
Caused by: java.lang.NoClassDefFoundError: Could not initialize class sun.awt.X11FontManager o.l.l.c.config.GlobalExceptionHandler : Handler dispatch failed; nested exception is java.lang.NoClassDefFoundError: Could not initialize class sun.awt.X11FontManage
