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  • 开发工具:第五章:使用idea生成实体类2022-09-06 20:35:55

    由于最近做的一个分布式电商项目的后台有提到一个使用idea生成实体类,所以这里详细图文讲解一下 测试连接 ,注意加后缀?useSSL=false&serverTimezone=UTC选中所要生成的修改包路径   更多内容请见原文,原文转载自:https://blog.csdn.net/weixin_44519496/article/details/120323493

  • sql连接问题2022-08-18 19:32:53

    Establishing SSL connection without server's identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option isn't set. For compliance with ex

  • Java的报错解决: Cause: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure2022-08-07 09:01:39

    我们在学习mybatis中会出现Communications link failure报错,我当时找了一天都没有找到合适的解决方案 Sun Aug 07 08:30:43 CST 2022 WARN: Establishing SSL connection without server's identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5

  • mysql连接出现Communications link failure错误的解决办法2022-08-03 01:01:33

    mysql连接出现Communications link failure错误的解决办法 前提:在将mysql更新后,在重新使用DataBase连接数据源后,重新启动项目出现如下问题:   在查阅了大量的信息后发现大多数的文章都在强调是mysql连接时间的问题,但是我经过了修改后还是无法正常运行. 错误原因: 在经过仔细

  • 连接MySQL提示Establishing SSL connection问题2022-08-01 10:33:19

    连接mysql数据库时,通常的做法是在类的static块中写连接数据库的部分。如下图: static { try { Class.forName("com.mysql.jdbc.Driver"); Connection conn = (Connection) DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", &qu

  • mysql连接失败2022-06-27 16:32:10

    mysql8及以上版本在编译中建立连接时要加上时区 spring: datasource: url: jdbc:mysql://localhost:3306/mysql?useUnicode=true&characterEncoding=utf8&useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=GMT%2B8

  • config.xml配置2022-05-08 02:31:06

    适用于mysql5.7的config.xml文件 jdbcUrl可别写错了…… <?xml version="1.0" encoding="UTF-8"?> <c3p0-config> <named-config name="hua.project"> <property name="user">root</property> <prope

  • 运行项目连接Mysql时出现警告Establishing SSL connection without server‘s identity verification is not recommende2022-03-29 14:35:00

      警告内容如下:; Thu Dec 20 12:50:09 CST 2018 WARN: Establishing SSL connection without server's identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit

  • useSSL = false 与true的区别2022-03-06 21:02:49

    首先解释一下SSL到底是什么。SSL是一种加密协议。在MySQL5.7之前的版本,安全性较低,存在任何用户都可以连接上的 test 库,所以官方在5.7版本加大了对隐私的保护。并且采用了默认 useSSL = true值防止对数据库的随意修改,到了8.0版本,仍然保留了SSL,并且默认值为 true,所以只要将 “?useSS

  • java springboot项目jdbc无法和mysql5.7建立SSL连接2022-02-24 18:33:22

    控制台报错 详细消息: hu Feb 24 18:12:13 CST 2022 WARN: Establishing SSL connection without server's identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explici

  • jmeter使用mysql查询提示Spring Boot: Jdbc javax.net.ssl.SSLException: closing inbound before receiving peer2022-02-21 16:04:01

    JDBC Connection Configuration插件的“Database URL”地址后面添加“?serverTimezone=GMT&useSSL=false”       url: jdbc:mysql://localhost:3306/goods_market_db?serverTimezone=GMT&useSSL=false

  • idea连接mysql报错: No appropriate protocol (protocol is disabled or cipher suites are inappropriate(已解决)2022-02-15 17:03:54

          解决方案:在URL中添加在数据库后面添加 ?createDatabaseIfNotExist=true&useSSL=false 如:jdbc:mysql://192.168.2.2:3306/test?createDatabaseIfNotExist=true&useSSL=false     参考:https://blog.csdn.net/ayunnuo/article/details/120269377  

  • 连接mysql8的配置文件2022-01-31 09:06:38

    // mysql 8.0驱动 driverClassName=com.mysql.cj.jdbc.Driver url=jdbc:mysql://localhost:3306/useDb?useUnicode=true&characterEncoding=utf-8&useSSL=false&serverTimezone=GMT username=root password=2550 maxActive=5 maxWait=2000 initialSize=3 minIdle=2

  • JAVA 时间差8个小时的问题2022-01-27 18:04:11

    数据库入库差8小时 解决办法 url: jdbc:mysql://localhost:3306/mybatis_plus?useSSL=false&useUnicode=true&characterEncoding=utf-8&serverTimezone=Asia/Shanghai java 读取出来的数据差8小时 @JsonFormat,默认情况下timeZone为GMT(即标准时区),所以会造成输出少8小时。 解

  • 学习记录(多转载) - 一些奇奇怪怪的信息或异常2022-01-27 11:32:57

    转载:1.运行项目连接Mysql时出现警告Establishing SSL connection without server‘s identity verification is not recommende 跑项目的时Idea的日志窗口出现了下面的警告,该警告对运行测试的结果没有影响,但是始终让人不舒服,也不知道有没有隐患,于是对该问题进行了了解和处理,

  • springboot中mysql连接配置2022-01-13 15:31:53

    1.properties格式 # 数据库配置mysql5 spring.datasource.driver-class-name=com.mysql.jdbc.Driver spring.datasource.username= spring.datasource.password= spring.datasource.url=jdbc:mysql://localhost:3306/dbName?useSSL=false&useUnicode=true&characterE

  • SpringBoot之Establishing SSL connection without server‘s identity verification is not recommended.2022-01-09 19:02:00

    1、遇到如下问题 Sun Jan 09 14:19:41 CST 2022 WARN: Establishing SSL connection without server's identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit o

  • &useSSL=false last packet sent successfully to the server was 0 milliseconds ago.2021-12-24 16:58:36

    com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQ

  • 真的牛逼12021-12-09 14:32:39

    Establishing SSL 真connection without server’s identity verification is not recommended. According to MySQL的 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be 报错记录投诉抄袭,什么时候能智能一点呢,只是为了记录一下罢了 established by default

  • 数据库配置2021-12-06 14:35:15

    Mon Dec 06 14:17:52 CST 2021 WARN: Establishing SSL connection without server's identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option isn

  • Mybaits配置文件2021-12-04 12:34:45

    1.mybatis-config.xml (mybatis核心配置文件xml) <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd"> <conf

  • com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure2021-11-07 19:01:45

    客户服务器环境接口访问数据库报错 2021-10-28 10:32:47.566 ERROR 11664 --- [eate-1185788518] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf8&zeroDateTimeBeha

  • MySQL 各版本连接驱动字符串2021-11-02 12:33:24

    绪论 MySQL版本与连接驱动的版本有严格的对应关系,所以在这里记录一下 MySQL 5.7 jdbc.drive=com.mysql.jdbc.Driver jdbc.url=jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=UTF-8&useSSL=false jdbc.username=root jdbc.password=123456 注意:好像现在MyS

  • useSSL = false 与 ture 的区别2021-09-21 19:05:12

    useSSL = false 与 ture 的区别_靡荼知返的博客-CSDN博客_usessl=false与true的区别  https://blog.csdn.net/qq_50679242/article/details/114440175   useSSL = false 与 true的区别 开始使用IDEA连接mysql数据库的时候,按照教程一步一步来发现怎么都错了。 idea如何连接MySQL

  • MySQL报错:com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure2021-09-21 14:04:10

    由于报错信息中含有SSL问题,尝试添加一个选项。 &useSSL=false    解决!

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