SEVERE: Servlet.service() for servlet [SpringMVC] in context with path [] threw exception ........
運行項目項目后，因為前端用了layui框架，所以頁面顯示接口異常， 查看tomcat日志，發現報了這個錯誤，關鍵是我犯了不止一次這個錯誤。所以記下來。 原因是Mapper.xml文件中if判斷條件沒有寫 ...
原文：Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception 異常
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錯誤：Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception
白天創建Springboot項目對接Mybatis時，控制台與頁面報錯如下，出現了空指針，測試了一下數據庫連接正確，里面內容也都有，遂進入debug，發現查詢的返回值都是空，再將寫的sql語句手動 ...
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ERROR o.a.c.c.C.[.[.[.[dispatcherServlet] - [log,175] - Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception
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Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception
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首先來看報錯的錯誤信息，一直都報空指針異常； 仔細檢查 是因為mapper上沒有@Autowired的注解 加上這個注解就不會報錯了~ ...