异常问题
2023-11-30 02:46:36.395 [http-nio-13700-exec-3] ERROR o.a.c.c.C.[.[.[/xxx].[dispatcherServlet] - Servlet.service() for servlet [dispatcherServlet] in context with path [/xxx] threw exception [Request processing failed; nested exception is java.lang.RuntimeException: Fontconfig head is null, check your fonts or fonts configuration] with root causejava.lang.RuntimeException: Fontconfig head is null, check your fonts or fonts configuration环境
新环境 JDK21
java 21.0.1 2023-10-17 LTS
Java™ SE Runtime Environment (build 21.0.1+12-LTS-29)
Java HotSpot™ 64-Bit Server VM (build 21.0.1+12-LTS-29, mixed mode, sharing)
问题原因
项目Spring Boot2.x，JDK1.8，后来改成JDK21，部署之后导出excel，出现该异常
解决
1、服务器配置
在服务器上安装FontConfig组件：
apt-get install -y fontconfigfc-cache --force