spring boot 报错: Caused by: org.springframework.beans.NotWritablePropertyException: Invalid property ‘mapperHelper’ of bean class [org.mybatis.spring.mapper.MapperFactoryBean]: Bean property ‘mapperHelper’ is not writable or has an invalid setter meth…
When working with conditionals types, within the “extends” expression, we can use the “infer” keyword to either get the type of the elements of an array, or even to get the return type of a function. We can use this to build a “FnReturnType” type, th…
题记:以前记录过一些自己遇到的BUG,这个行为,让我一看报错的提示信息就能定位到问题的所在,后来记得比较多了,好多是重复性的再加上比较忙就没有详细的记录了,今天的工作量比较小,就顺便记录一下,以便以后更快的解决此类问题. BUG的报错信息如下所示: org.springframework.dao.InvalidDataAccessApiUsageException: Parameter value [41] did not match expected type [java.lang.Integ…
注:内有单词(sping)写错,请忽略,不影响程序运行 运行时报错: Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mhl' defined in class path resource [myjava/wicherspingaop-aop.xml]: BeanPostProcessor before i…
Here's the Animal class: public class Animal{ private Map<String,Animal> friends =new HashMap<String,Animal>(); public void addFriend(String name,Animal animal){ friends.put(name,animal);} public Animal callFriend(String name){return friends.g…
In C++03, the return type of a function template cannot be generalized if the return type relies on those of the template arguments. Here is an example, mul(T a, T b) is a function template that calculates the product of a and b. Arguments a and b ar…
使用myBatis调用存储过程的返回值,提示错误信息: org.apache.ibatis.binding.BindingException: Mapper method 'com.xxxx.other.dao.MyDao.getNo attempted to return null from a method with a primitive return type (int). 先查mysql监控语句,发现存储过程调用正常,也得到了返回值,继续查 对应的文件 存储过程: CREATE PRO…
四月 08, 2016 4:35:34 下午 org.apache.catalina.core.ApplicationDispatcher invoke严重: Servlet.service() for servlet jsp threw exceptionorg.apache.jasper.JasperException: Unable to compile class for JSP: An error occurred at line: [39] in the generated java…
功能:读配置文件 java菜鸟:导入工程在报名处就开始报错,第一次遇到 import org.apache.commons.lang3.StringUtils; import org.apache.commons.configuration.ConfigurationException; package com.test; The type org.apache.commons.lang.exception.NestableException cannot be resolved. It is…
