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java.lang.IllegalArgumentException: argument type mismatch
java.lang.IllegalArgumentException: argument type mismatch原创 2022-04-19 11:25:22 · 1616 阅读 · 0 评论 -
com.mysql.cj.exceptions.CJCommunicationsException
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: The driver was unable to create a connection due to an inability to establish the client portion of a socket.原创 2022-03-27 21:44:28 · 3214 阅读 · 0 评论 -
NoSuchMethodException
我今天写代码发现了问题Exception in thread "main" java.lang.NoSuchMethodException: com.fan.model.User.<init>(int, java.lang.String, java.lang.String) at java.lang.Class.getConstructor0(Class.java:3082) at java.lang.Class.getDeclaredConstructor(Class.java:2178原创 2022-03-20 21:52:52 · 768 阅读 · 1 评论 -
Exception in thread “main“ java.lang.IllegalAccessException
package com.fan.reflect;import com.fan.model.User;import java.lang.reflect.Field;public class 根据属性名获得属性对象并调用该属性 { public static void main(String[] args) throws NoSuchFieldException, InstantiationException, IllegalAccessException { Class<原创 2022-03-20 12:33:42 · 1995 阅读 · 0 评论