【文章推荐】Spring Cloud ZooKeeper集成Feign的坑2，服务调用了一次后第二次调用就变成了500，错误：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，服务调用了一次后第二次调用就变成了500，错误：Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is com.n

错误如下：错误现象：服务调用了一次后第二次调用就变成了或者调用的服务直接出现。错误同样是出现以上信息。问题排查：排查Spring Cloud的版本问题：Camden.SR ，与这个无关。排查Feign的接口写法问题，也与这个无关。排查引入的包少了，真的是这个问题。排查配置问题的类型，peoperties与yaml，或者application.peoperties与bootstra ...

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Spring Cloud ZooKeeper集成Feign的坑2，服务调用了一次后第二次调用就变成了500，错误：Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception

错误如下：错误现象： 1、服务调用了一次后第二次调用就变成了500 2、或者调用的服务直接出现500。错误同样是出现以上信息。问题排查： 1、排查Spring Cloud的版本问题：Camden.SR7 ...

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

　　白天创建Springboot项目对接Mybatis时，控制台与页面报错如下，出现了空指针，测试了一下数据库连接正确，里面内容也都有，遂进入debug，发现查询的返回值都是空，再将写的sql语句手动 ...

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 ...

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

首先来看报错的错误信息，一直都报空指针异常；仔细检查是因为mapper上没有@Autowired的注解加上这个注解就不会报错了~ ...

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

严重: 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无法注入，注入后无效

错误: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

错误处理： 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，服务调用了一次后第二次调用就变成了500，错误：Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is com.n

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