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xml配置文件头部网址链接报错

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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在Maven库中搜jar包会搜到很多个版本，但使用时选择不当就会报错。

maven

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

警告: Exception encountered during context initialization - cancelling refresh attempt:
 org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'connectionFactory' defined
 in class path resource [applicationContext-redis.xml]: Bean instantiation via constructor failed; 
 nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate 
 [org.springframework.data.redis.connection.jedis.JedisConnectionFactory]: Constructor threw exception;
 nested exception is java.lang.NoSuchMethodError: 
    org.springframework.util.Assert.isTrue(ZLjava/util/function/Supplier;)V
Exception in thread "main" org.springframework.beans.factory.BeanCreationException: 
Error creating bean with name 'connectionFactory' defined in class path resource [applicationContext-redis.xml]:
 Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException:
 Failed to instantiate [org.springframework.data.redis.connection.jedis.JedisConnectionFactory]: 
 Constructor threw exception; nested exception is java.lang.NoSuchMethodError: 
 org.springframework.util.Assert.isTrue(ZLjava/util/function/Supplier;)V

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数据库使用JDBC插入数据之后一直中文乱码

数据库

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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JDBC连接时配置数据库URL时区问题

数据库

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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数据库一直连不上

spring

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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阿里云服务器跑单元测试

junit linux命令

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

package com.maven;

import com.maven.HelloWorld;

public class Speak{
    public static void main(String[] args) {
        HelloWorld helloWorld = new HelloWorld();
        System.out.println(helloWorld.sayHello());
    }
}