【文章推薦】Spring Cloud ZooKeeper集成Feign的坑2，服務調用了一次后第二次調用就變成了500，錯誤：Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is com.n

原文：Spring Cloud ZooKeeper集成Feign的坑2，服務調用了一次后第二次調用就變成了500，錯誤：Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is com.n

錯誤如下：錯誤現象：服務調用了一次后第二次調用就變成了或者調用的服務直接出現。錯誤同樣是出現以上信息。問題排查：排查Spring Cloud的版本問題：Camden.SR ，與這個無關。排查Feign的接口寫法問題，也與這個無關。排查引入的包少了，真的是這個問題。排查配置問題的類型，peoperties與yaml，或者application.peoperties與bootstra ...

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Spring Cloud ZooKeeper集成Feign的坑2，服務調用了一次后第二次調用就變成了500，錯誤：Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception

錯誤如下：錯誤現象： 1、服務調用了一次后第二次調用就變成了500 2、或者調用的服務直接出現500。錯誤同樣是出現以上信息。問題排查： 1、排查Spring Cloud的版本問題：Camden.SR7 ...

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 ...

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(UserController.java:50) ~[classes/:na ...

------>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(UserController.java:50) ~[classes/:na ...

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

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~ ...

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

嚴重: Servlet.service() for servlet [appServlet] 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;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

錯誤處理： 2019-10-23 17:30:46.257 ERROR 8548 --- [nio-8080-exec-2] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet ...

原文：Spring Cloud ZooKeeper集成Feign的坑2，服務調用了一次后第二次調用就變成了500，錯誤：Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is com.n

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