首页Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.IllegalStateException: No instances available for 192.168.197.1] with root cause如何解决

Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.IllegalStateException: No instances available for 192.168.197.1] with root cause如何解决

时间: 2023-07-17 16:02:33 浏览: 186

Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception

2020-04-27 22:15:44.892 ERROR 13764 --- [nio-8081-exec-9] 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 java.lang.Nul

在路径为空的上下文中，调用了servlet [Dispatcherservlet]的servlet.service()方法，抛出了异常[请求处理失败；嵌套异常是java.lang.illegalstateexception: 没有可用的UserService实例]，根本原因是UserService实例不可用。

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