MySQL版本問題導致項目無法啟動問題的解決方案

更新時間：2025年06月09日 11:26:38 作者：小俠C

本文記錄了一次因MySQL版本不一致導致項目啟動失敗的經歷,詳細解析了連接錯誤的原因,并提供了兩種解決方案：調整連接字符串禁用SSL或統(tǒng)一MySQL版本,需要的朋友可以參考下

本地項目啟動報錯

記錄一個比較坑的問題,由于mysql版本不同導致了項目啟動失敗，連接不到數據庫等一系列問題。。。

報錯原因：

com.alibaba.druid.pool.DruidDataSource : init datasource error, url: jdbc:mysql://127.0.0.1:3306/cy_weroom?useUnicode=true&characterEncoding=utf-8&serverTimezone=Asia/Shanghai

2022-10-07 13:49:34.804 ERROR 25904 --- [           main] com.alibaba.druid.pool.DruidDataSource   : init datasource error, url: jdbc:mysql://127.0.0.1:3306/cy_weroom?useUnicode=true&characterEncoding=utf-8&serverTimezone=Asia/Shanghai

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.SQLError.createCommunicationsException(SQLError.java:174)
	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:835)
	at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:455)
	at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:240)
	at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:199)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:218)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1560)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1623)
	at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:861)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeCustomInitMethod(AbstractAutowireCapableBeanFactory.java:1904)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1846)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1774)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:593)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515)
	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
	at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:277)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.addCandidateEntry(DefaultListableBeanFactory.java:1467)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1431)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveMultipleBeans(DefaultListableBeanFactory.java:1350)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1209)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1171)
	at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:857)
	at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:760)
	at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:218)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1341)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1187)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515)
	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320)

我的容器版本mysql版本是5.7.39

本地mysql版本是5.7.20

本地可以但是，但是容器版本不行，于是就想到了是不是版本沖突的問題，因為報的是連接問題

這一段很關鍵，ssl連接問題，那就是版本問題了

Caused by: javax.net.ssl.SSLHandshakeException: No appropriate protocol (protocol is disabled or cipher suites are inappropriate)

解決方案

問題搞清楚了，解決方案為兩個

第一個：

在連接后面加上 &useSSL=false

jdbc:mysql://127.0.0.1:3306/cy_weroom?useUnicode=true&characterEncoding=utf-8&serverTimezone=Asia/Shanghai&useSSL=false

第二種：

重新pull鏡像源，如果不是鏡像方式的，則統(tǒng)一版本就可以。

備注：網上扯的那一堆都沒有用 wait_timeout=86400 還有時區(qū)問題的也是扯淡

容器啟動mysql的坑

容器啟動mysql的坑：mysql是容器版本啟動的要注意掛載宿主機時區(qū)，不然默認是UTC時區(qū)，需要修改時區(qū)為宿主機時區(qū)，主要會導致你插入的數據時間會比北京時間差8個小時，導致插入數據不對。

兩種修改時區(qū)的方法：

啟動容器時掛載宿主機時區(qū)

docker run -p 3306:3306 --name mymysql -v $PWD/conf:/etc/mysql/conf.d -v $PWD/logs:/logs -e TZ=Asia/Shanghai -v $PWD/data:/var/lib/mysql -e MYSQL_ROOT_PASSWORD=123456 -d mysql:8.0

第二種進入容器內部修改

#進入容器
docker exec -it 容器名 /bin/bash
#登錄mysql
mysql -uroot -p 
#設置時區(qū)
set global time_zone = '+8:00';
#立即生效
flush privileges;
#查看時區(qū)
show variables like '%time_zone%';

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