spring-boot问题1（此刻的我被房东坑了666块钱，没人性）

飞飞翼

于 2019-07-23 02:08:00 发布

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本文链接：https://blog.youkuaiyun.com/qq_36935391/article/details/96930900

本文解决了一个Spring MVC项目中出现的具体异常问题，该异常涉及到Handler映射、Bean表达式异常及属性访问错误。主要讨论了@Controller类DempController中的getDepartment方法配置不当导致的问题及其解决方法。

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1.Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.

2.Caused by: java.lang.IllegalStateException: Invalid mapping on handler class [com.atguigu.redis.Controller.DempController]: public com.atguigu.redis.bean.Department com.atguigu.redis.Controller.DempController.getDepartment(java.lang.Integer)

3.Caused by: org.springframework.beans.factory.BeanExpressionException: Expression parsing failed; nested exception is org.springframework.expression.spel.SpelEvaluationException: EL1008E: Property or field 'id' cannot be found on object of type 'org.springframework.beans.factory.config.BeanExpressionContext' - maybe not public or not valid?

4.Caused by: org.springframework.expression.spel.SpelEvaluationException: EL1008E: Property or field 'id' cannot be found on object of type 'org.springframework.beans.factory.config.BeanExpressionContext' - maybe not public or not valid?

错误原因（加了#号）

@GetMapping(value = "/getDepartment/#{id}")