【文章推薦】Servlet.service() for servlet [dispatcherServlet] in context with path [] 報錯解決方法

原文：Servlet.service() for servlet [dispatcherServlet] in context with path [] 報錯解決方法

SpringBoot項目啟動成功，訪問API時報錯。頁面顯示 Whitelabel Error Page This application has no explicit mapping for error, so you are seeing this as a fallback. 控制台報錯：Servlet.service for servlet dispatcherServlet in co ...

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

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Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed;springboot無法注入，注入后無效

錯誤:Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception ...

Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception

java.lang.NullPointerException: null at com.book.app.web.UserController.findPageWith(UserControll ...

------>Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception

java.lang.NullPointerException: null at com.book.app.web.UserController.findPageWith(UserControll ...

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語句手動去執行也是正確，頓覺有些無奈。　　那就上百度查唄，發現幾篇文章都提到 ...

原文：Servlet.service() for servlet [dispatcherServlet] in context with path [] 報錯解決方法

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