每日总结

springboot项目之java.lang.NullPointerException: null问题

今天再弄项目的时候出现了这个问题

springboot项目报错2023-10-05 10:33:01.022 ERROR 22472 --- [nio-8080-exec-3] o.a.c.c.C.[.[.[/].[dispatcherServlet]    : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause

报错 原来是 我没有加注释

@Autowired